Antenna ppt

Antenna ppt

bands Horns provide high gain, low VSWR (with waveguide feeds), relatively wide bandwidth, and they are not difficult to make. Antenna Systems for Polarization Diversity During the last couple of years, antennas for mobile networks have sprouted up like gladioli all over our downtown areas. The antenna is the most visible part of the satellite communicationon system. This course will be beneficial for those who need to know how the antenna affects the performance of a radar or communications system, how to select the materials used for antenna construction, how to analyze and design the electromagnetic performance of an Kraus’“Antennas” • First edition -1950 -This book outlined classical antennas and theory, and was referred to by many as the Antenna Bible. These antennas find their applications as high gain antennas for point-to-point communication and also as radio telescopes. 1. Struzak. com Introduction This article introduces the basic concepts of patch antennas. Chapter 3 Principles of nuclear magnetic resonance and MRI Review * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * GE-BOLD No Velocity Nulling Links below will take you to instructional resources developed by radio amateurs that are being shared with the amateur radio community for use by others engaged in instruction and mentoring. Introduction • The antenna is the interface between the transmission line and space • Antennas are passive devices; the power radiated cannot be greater than the power entering from the transmitter • When speaking of gain in an antenna, gain refers to the idea that certain directions are radiated better than Chapter 5. 2 Introduction An antenna is a transducer that converts radio frequency electric current to electromagnetic waves that are radiated into space In two-way communication, the same antenna can be used for transmission and receptionNikolova 2018 1 LECTURE 8: Basic Methods in Antenna Measurements (Antenna ranges and anechoic chambers. - authorSTREAM Presentation. ppt), PDF File (. itu. 15. E. Introduction to Antennas In the 1890s, there were only a few antennas in the world. T), MCA, MSc, MS, Electronics and Communication (EC), Mechanical, Electrical and Electronics (EEE), Instrumentation (IC) and Civil Engineering students with PPT and Abstract based on technical IEEE articles and Explore Wireless Power Transmission via Solar Power Satellite with Free Download of Seminar Report and PPT in PDF and DOC Format. Villemaud 1. Antenna technology has Module 7 : Antenna Lecture 51 : Antenna Arrays. It consists of a dipole driven element mounted in front of two flat rectangular reflecting screens joined at an angle, usually 90°. PCB track antennas or chip antennas have only one radiator. 3 antenna design factors affectingmimoperformance 6 DHANDE: ANTENNAS AND ITS APPLICATIONS 1. 5. Distribution is limited to US Government Agencies. If upon reading Chapter 4 of the textbook, you find that you are still lacking an understanding, then study the CD. Governments and high-level executives have transitioned from seeing both policy and technical cyber threats as solely technical issues to core issues of national security, economic policy, human rights and, ultimately, foreign policy. ppt on Smart antennas 1. Shabbir Hasan . com : BEBONCOOL Wireless Presenter Remote, 2. Why do Antennas Radiate? The antenna basics section concludes with a discussion of Why Antennas Radiate. An antenna gain of 2 (3 dB) compared to an isotropic antenna Yagi-Uda Antenna – Theory Antenna Design Construction Test Set-up Results Theory History Invented by Shintaro Uda and Hidetsugu Yagi in 1926 Relatively unknown until World War 2 Now used for amateur radio, TV, satellite comm. 'Antenna ratio' is defined as the ratio between the physical area of the conductors making up the antenna to the total gate oxide area to which the antenna is electrically connected. Nirali Akabari. 1 Wire Antennas For Limited Space Jim Brown K9YC Santa Cruz, CA http://audiosystemsgroup. It is simply an open-circuited wire, fed at its center as shown in Figure 1. Dipole antenna The dipole antenna is an antenna with two radiators. Kraus in 1938. 1 Antenna Definitions • The radiation pattern and radiation resistance of an antenna is the same when it transmits and when it receives, if no non-reciprocal devices are used. Module 4, Lesson 1: Antenna Fundamentals and Definitions EE 497C: Wireless Communications 1 Antenna Fundamentals Definitions Antenna fundamentals are presented in Lesson 1 through 6. orbanmicrowave. Radio transmitters also use extremely tall antenna towers to transmit their signals. Yagi-Uda Antenna – Theory Antenna Design Construction Test Set-up Results Theory History Invented by Shintaro Uda and Hidetsugu Yagi in 1926 Relatively unknown until World War 2 Now used for amateur radio, TV, satellite comm. Antenna Principles. Antennas demonstrate a property known as reciprocity, which means that an 5. School on Digital and Multimedia Communications Using Terrestrial and Satellite Radio Antennas. Contents 1 Introduction 1 2 Types of Antennas 3 3 Radiation Mechanism 5 4 Current Distribution on a Thin Wire Antenna 9 Original dielectric loaded horn antenna Radiometric Temperature Sensor Antennas – Before and After Near field focused microstrip arrays f = 12. The idea behind an antenna in a radio transmitter is to launch the radio waves into space. org. All elements are editable and don’t need additional graphic software like Photoshop. 3). Do you have PowerPoint slides to share? If so, share your PPT presentation slides online with PowerShow. Long Wavelength And Traveling Wave Antennas Often amateurs are faced with limitations placed on the space available and the length of wire or number of wires that may be possible in a operational antenna at the shack. 99 L 20 (. 2001 APCO/NENA State Training Conference January 19, 2001 Terrestrial Microwave Antennas for Point-To-Point Communication Terrestrial microwave antennas generate a beam of RF signal to communicate between two locations. T), MCA, MSc, MS, Electronics and Communication (EC), Mechanical, Electrical and Electronics (EEE), Instrumentation (IC) and Civil Engineering students with PPT and Abstract based on technical IEEE articles and . A lot goes into designing antennas but with a little bit of guidance and explanation, antenna users (network designers, systems integrators, end users) can read through the antenna specifications and choose the right antenna style for their wireless network design. r. advantages disadvantages. Production Preparation Process The SMS Technologies Quality Management System includes: ISO 9001, AS9100, ISO 13485, and ISO/TS 16949 They All Include Product RealizationLEARNING OBJECTIVES By the end of this lecture you will be able to: Understand that ENERGY can be transformed from one form to another. k = The Efficiency fo the Antenna. Some diagrams are directly from the books. This antenna is a bi-directional resonant antenna. Neutral Host Distributed Antenna Systems are a reliable and innovative solution to poor coverage inside buildings, large venues requiring capacity, and inconsistent RF environments where it is difficult to improve quality. Diversity effect involves the transmission and/or reception of multiple radio frequency (RF) waves to increase data speed and presentation powerpoint, plasma antenna seminar report, presentation in powerpoint, plasma antenna seminar, presentation on powerpoint, applications of plasma antenna, ppt on plasma antenna Microstrip Patch Antenna Design Principles – The patch antenna is a good place to start for antenna fundamentals With more coming: 5G (or whatever), Types Of Antennas. Instructor Guide and the PowerPoint lesson modules can be found here. PHYS 401 Physics of Ham Radio 26 Basic Electronics Chapter 2, 3A (test T5, T6) Basic Electrical Principles and the Functions of Components Figures in this course book aretitle: forscom form 285-r 1 (no transcript) 2 vehicle load card (tb 55-46-1) unit bumper no date compiled 1st plt m trp 4/2 scr m-17 09 jan 03 vehicle informationZigbee Seminar and PPT with pdf report: Technological standard designed for control and sensor networks are based on the IEEE 802. n6rk. If the length of the conductor is a certain ratio or multiple of the Antenna Presentation Utah Amateur Radio Club Jed W. review elements conducting portion of an antenna. Most common antennas are designed to be one-quarter, sometimes one-half, the wavelength of the radio signal they are to transmit/ receive. K. Typical examples of this type would be seen installed on motor vehicles for two way communications. As the electromagnetic field strikes the receiving antenna, a voltage is induced into the antenna, which serves as a conductor. Antenna types. Big List of Latest 2013 - 2014 Seminar Topics and Presentation for Computer Science (CSE), Information Technology (I. The model applies to antennas both long and short compared with a wavelength. 1 the need for multiple antennas 4 1. Starting with Hertz's Antenna model followed by a short introduction to the fundamentals of wave propagation, the important general characteristics of an antenna and its associated parameters are explained. Kishk Center of Electromagnetic System Research (CEDAR) Department of Electrical Engineering University of Mississippi An antenna is a device that is used to transfer guided electromagnetic waves (signals) to radiating waves in an unbounded medium, usually Antennas and Propagation Slide 2 Chapter 3 Introduction Purpose Introduce standard terms and definitions for antennas Need a common language to specify performance Two types of parameters 1. The 'antenna ratio' of an inter-connect is used to predict if the antenna effect will occur. Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or electromagnetic systems. The length of the radiators is related to the wavelength of the frequency that has to be received. g. Overview. 09/05/2015 · Seminar Topics. Dish Antenna PowerPoint Template is a free gray template for PowerPoint with antenna image on the slide design. During metallization (when metal wires are laid across devices), some wires connected to the polysilicon gates of transistors can be left floating (unconnected) until the upper metal layers are deposited. ) 1. Descarga antenna have a strong influence on the antennas electrical features (Fig. Antenna Theory Basic Parameters - Learn Antenna Theory in simple and easy steps starting from basic to advanced concepts with examples including Fundamentals, Basic Parameters, Parameters, Near and Far Fields, Radiation Pattern, Isotropic Radiation, Beam and Polarization, Beam Width, Reciprocity, Poynting Vector, Types of Antennas, Wire, Half 1. Cons. Phased Array Antenna. 45 GHz “WiFi” ISM band. Moernaut, Orban Microwave Products www. A corner reflector antenna is a type of directional antenna used at VHF and UHF frequencies. pdf), Text File (. Template includes charts, maps, infographics, portfolio and much more. By changing the feeding it is possible to construct a directive beam that can be repositioned electronicall y. ppt - Download as Powerpoint Presentation (. The antennas commonly used for LMR—both at base stations and mobile units—represent only a very small portion of all the antenna types. 7-2. Antennas and Propagation Key points 2. Multiband and Wideband Antennas for Mobile Communication Systems 147 in Fig. Antenna system can shift the signals before transmission at each of the successive elements for a composite effect I. The frequency range of operation of V-antenna is around 3 to 30 MHz. Fundamentals of Antennas Ahmed A. This antenna works in high frequency range. A half-wave dipole antenna has a power gain of 1. After discussing antenna 31 Mar 2015 ANTENNAS APE-300 Electromagnetic Theory & Antenna. ppt Author: Basic Antenna Theory Ryszard Struzak Note: These are preliminary notes, intended only for distribution among the participants. HORN ANTENNAS A horn antenna is also referred to as a microwave horn. It enable operators of PC's cellular and wireless local loop networks to realize significant increase in signal quality, network capacity and coverage. Although it is very general, the model is also mathematically simple, consisting chiefly of algebraic formulas. • Second edition –1988 -A major upgrade to the 1950 edition, incorporating the latest developments in antenna technology. Electromagnetic and The Basics of Patch Antennas, Updated By D. ppt copy Microsoft Equation 3. Phased Array Antennas. Each antenna element can be controlled individually by phase or time delay . pdf), Text File (. T), MCA, MSc, MS, Electronics and Communication (EC), Mechanical, Electrical and Electronics (EEE), Instrumentation (IC) and Civil Engineering students with PPT and Abstract based on technical IEEE articles and Chapter Sixteen: Antennas. Independent of the use of a given antenna for transmitting or receiving, an important characteristic of this antenna is the gain. ppt - Download as Powerpoint Presentation (. Note: These are preliminary notes, intended only for distribution among the participants. Chapter Sixteen: Antennas. ANTENNA ARRAYS. Red curve for array using non-symmetric feed network, green curve for array with reversed patches in E-plane. ) Equation Section 12 1. Shastry Presentation Outline • • • • • • • • Introduction to Reconfigurable Antenna Alternative Options Design Criteria Patch Antenna Design Switching Method and Implementation Simulation Matching Network Schedule Reconfigurable Antenna? Part #: PPT-H055-0100 ABOUT THE PART GPS ANTENNA AND CBL 16 ABOUT THE SELLER Arkansas Valley Diesel Service, Inc. We use a simple rectangular, half wave long, probe-fed patch operating in its fundamental mode as an example. principle construction working. Toute antenne peut-être caractérisée par plusieurs paramètres fondamentaux. Real isotropic antennas do not exist, but they provide useful and simple theoretical antenna patterns with which to compare real antennas. antenna. SMART ANTENNAS SYSTEM Submitted to:- Submitted by:- Er. Presentation Summary : Field Expedient Multi-Band This is a collection of some of the more popular, classic multi-band HF antenna types that have been used in some form or similar Engineering Powerpoint Templates,Science Powerpoint Templates, Blue, Communication, Physics, Technology, Weather This free PowerPoint template shows three radio antenna masts of different sizes. Borgford Canadian Marconi Company Ltd. 비밀번호를 변경해주세요. The R&S ® ZVH is a rugged, handy cable and antenna analyzer, designed for use in the field. Introduction : Introduction An antenna is an electrical conductor or system of conductors Transmission - radiates electromagnetic energy into space Reception - collects electromagnetic energy from space In two-way communication, the same antenna can be used for transmission and reception Antennas & Propagation CS 6710 Spring 2010 Rajmohan Rajaraman. ANTENNA GROUP OE-254/GRC (NSN 5985-01-063-1574) This publication is required for official use or for administrative or operational purposes only. Guillaume VILLEMAUD. antenna pptMar 31, 2015 ANTENNAS APE-300 Electromagnetic Theory & Antenna. 2. antenna basics. Most antennas are resonant devices, which operate efficiently over a relatively narrow frequency band. Fundamental Parameters of Antennas Ranga Rodrigo May 12, 2010 Lecture notes are fully based on books, Balanis [?] Kraus et al. Factory Wi-Fi gear often uses basic dipole antennas of the so-called "rubber duck" design, which is a helix shape sealed in a protective jacket of rubber or plastic that protects the antenna, similar to those used on walkie-talkie radios. Important Note: If you downloaded this file prior to April 13, 2007, it may have been (probably was) corrupted and wouldn't open. L. Antenna Radiation Mechanism. They travel faster through a vacuum than through any other medium. Orban and G. The kit contains enough of the necessary equipment to allow two What is an Antenna Tuner? • An antenna tuner (coupler is a more correct term) is an impedance matching device which minimizes “mismatch” loss (maximizes power transfer). 4 standard, have high-level communication and wireless personal area networks and are created by the ZigBee alliance. PowerPoint Products Standing Ovation Award Winner: Best PowerPoint Template Collection Network Solutions protects your online transactions with secure SSL encryption. 1: INTRODUCTION OF MICROWAVE ANTENNA 3. Array Factor (1). 200,000+ satisfied customers worldwide! 100% satisfaction guatantee - or send it back for a refund! Additional Resources. room. R. As shown in the given diagram, the half wave dipole consists of a conducting wire cut from the center where the input is Download as PPT, PDF, TXT or read online from Scribd. Antennas – G. But in real antenna they are not smart there systems are smart. Network parameters body of knowledge of AM antenna systems. Microstrip Antenna Designs for of test PPT. Massive-Element Antenna PoC Development and Evaluation NEC has developed a massive-element antenna PoC demonstrator consisting of a RF front end and an antenna feed unit which support 64 antenna elements The smart antenna technology can significantly improves wireless system performance and economics for a range of potential users. Here you are at our site, contentabove Powerpoint Presentation On Microstrip Rectangular Patch Antenna published by admin. Hours searching in the web gave me lots theoretical information about antennas. struzak@ieee. W. Introduction An antenna is an electrical conductor or system of conductors AntennasPropagation. Most simple, nondirectional chapter 6 antennas & transmission lines. Ferrite loops. The principle of an antenna can be shown by bending a co-axial cable open (Fig. Satellite Communications Architecture • Identify Requirements ANTENNAS CROSSLINK MDR DUCA ANTENNAS (MDR*, CROSSLINK) The smart antenna technology can significantly improves wireless system performance and economics for a range of potential users. Practical Helical antennas Modes of operation (Radiation mode) Axial UNIPUNE ASKED QUESTION Thus, a helix combines the geometric forms of a striaght line, a circle and a cylinder. Usually we are only interested in the maximum gain — the direction in which the An antenna connected to a transmitter is the device that releases RF energy (in the form of an electromagnetic field) to be sent to a distant receiver. Use "Favorites" to save products you find interesting, to compare them and add to cart. Marhefka. Circular loop of constant current. Satellite Communication Col John Keesee. ppt antenna, so in others it must radiate less energy. For aesthetic reasons and due to the fact that it has become more expensive to acquire the rights to install antennas on buildings and Times New Roman Tahoma Wingdings Arial Blends MIMO WIRELESS COMMUNICATION SYSTEMS Textbooks Prerequistive Classes Prerequisites Course Grading Wireless Channel Characteristics PowerPoint Presentation Space-Time Processing for Wireless Communications Variants of Multiple Antenna Systems Terminology Benefits of Space-Time Processing Technical Millimeter-Wave MIMO Architectures for 5G Gigabit Wireless Deconstructing Multi-antenna Fading Channels, IEEE PowerPoint Presentation . - 회원님의 개인정보 보호를 위해 주기적(최소1년) 으로 비밀번호를 변경해주세요. 3): a) A transmitter sends a high frequency wave into a co-axial cable. How can an antenna be made more intelligent. radiate or receive signal. 3). Equivalent circuit of the loop antenna. Volpe National Transportation Systems Center Presenter: George Dimos Hadi Wassaf, Ph. Module 7 : Antenna Lecture 51 : Antenna Arrays. [4], and Rao [9]. Antennas and Propagation Ranga Rodrigo May 2, 2010 Lecture notes are fully based on books, Balanis [1] Kraus etal. The gain of an antenna in a given direction is the amount of energy radiated in that direction compared to the energy an isotropic antenna would radiate in the same direction when driven with the same input power. The end wires are called as legs. 0 AM Antenna Basics The purpose of any AM antenna is to radiate the power generated by the transmitter. An Introduction to Antenna Basics August 24, 2016 by Mark Hughes Antennas are used to transmit and receive information through changes in the electromagnetic fields that surround them. 15 dBi (3 dB + 2. ppt), PDF File (. Downloads: 772 Introduction to Antenna principles Dr. , . Il vous permet de reconnaître et de comprendre la puissance de la communication, Recenser les problèmes de communication spécifiques et d'appliquer des traitements et d'apprendre des techniques pour gérer et assurer une bonne Antennas wave and propagation 1. with news, information and resources. When there is no spare, the sniper team may have to construct an emergency antenna. BY A. The receiving antenna picks up the RF energy. W6NL “Physical Design of Yagi Antennas” Many thanks to Ned Stearns, AA7A, Rich Rosen, K2RR and my grandson Louis for their assistance with preparing this Power Point presentation. 4. pdf Low Band Receiving Loops Presented at Pacificon, Oct 17, 2008 Design optimization and applications, including SO2R on the same 利諾科技創始於1993年5月6號,專業於emc(電磁兼容性)/emi(電磁干擾)/ems(電磁耐受)相關設備銷售、校正及維修服務。The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U. A dielectric resonator antenna (DRA) is a radio antenna mostly used at microwave frequencies and higher, that consists of a block of ceramic material of various shapes, the dielectric resonator, mounted on a metal surface, a ground plane. Typical Yagi Antenna A corner reflector antenna is a type of directional antenna used at VHF and UHF frequencies. Introduction •Consider antenna array with N elements and directional antenna pat- "Dish Antenna PowerPoint Template is a free gray template for PowerPoint with antenna image on the slide design #telecommunications #communications #antenna #powerpoint" Presentation Topics Email Client Rhombic termination resistor Termination resistor needs to be near 800Ω Resistors must be carbon resistance - not inductive. ANTENNA TYPES Antennas can be classified in several ways. PowerPoint Presentation Author: Yuanxun Wang Last modified by Antenna Synthesis Synthesis Problems Dolph-Chebyshev Linear Array Chebyshev Polyminals Symmetrically Reconfigurable Patch Antenna With Matching Network Presented by: Mike Bly, Josh Rohman Advisor: Dr. Telecommunications PowerPoint provides a good template for antenna or communication presentations. z Introduction y Frequencyspectrum y Types of antennas y History ofantennas z Antenna Parameters y Radiation patterns z Transmission equation Antenna parameters z Radiation pattern z Radiation power density z Directivity z Gain z Polarization z Impedance z Antenna matching For example is the distance between source antenna the AUT doubles then, and PdB Log dB 2 L 20 (2) 6 An antenna measurement system which shifted the AUT toward the source 1% of the separation distance would change the path loss by, and PdB Log dB 1 . Antenna Basics Introduction Antennas are a very important component of communication systems. A compact powerhouse, the Ray55 and Ray55E VHF radios offer performance and style. Other request for this document must be referred to Commander, US Army Communications-Electronics Command and Fort Monmouth, New Jersey 07703-5000. Smart Antenna Array: • antenna array with a digital signal processing capability to transmit and receive in an adaptive and spatially sensitive manner. antenna Download PowerPoint Slides. driven element. Know that energy exist in two forms; free energy - available for doing work or as heat - a form unavailable for doing work. These are acknowledged by inserting the citation. The Polarization Diversity for Base Station Antennas Martin Nilsson, Allgon System Allgon System The mobile antenna is mounted now how do you put on the coax connector? This is a close-up of installing a PL-259 on RG-58 in PowerPoint format. Beware of misprints! ICTP-ITU-URSI School on Wireless Networking for Development The Abdus Salam International Centre for Theoretical Physics ICTP, Trieste (Italy), 5 to 24 February 2007 The advantage of these antennas is that they can be hidden into the housing of the mobile when compared to different types of antennas like a whip, rod or helical antennas, etc. UNGROUNDED ANTENNA MOUNTS Compliments of Firestik These test need to be made with the coax disconnected from the antenna mount or the radio. Today we’re excited to announce that we have discovered an incrediblyinteresting nicheto be pointed out, that is Powerpoint Presentation On Microstrip Rectangular Patch Antenna Most people looking for information about and certainly one of these is you, is not it? Dish Antenna PowerPoint Template is a free gray template for PowerPoint with antenna image on the slide design #telecommunications #communications #antenna #powerpoint -2-1 antenna designs for mimo systems 4 1. Diplomacy and Combating Evolving International Cyber Threats. Antennas and Propagation Ranga Rodrigo May 2, 2010 Lecture notes are fully based on books, Balanis [1] Kraus etal. Slot antenna A slot antenna is a radiator made by cutting a one-half wavelength slot in a conducting sheet of metal or into the side or top of a waveguide. Prof. It occurs during the manufacturing process and renders a die useless. J. realizable goal for a Novice station using one antenna on four bands is to work all states and Canadian provinces, along with some casual DX (Europe and South Smart Antenna PPT Free Download When multiple antenna are combined with single processing to optimize its radiation and reception then they are smart antenna. Here’s a sample region from 300–600 MHz International allocation gets tricky E + + + - - - + - - + - - - + + + B + + + - - - + - - + - - - + + + B E Transmitting antenna Receiving antenna works best when ‘tuned’ to the wavelength of the signal, and has proper polarization Electrons in antenna are “jiggled” by passage of Brief description. A visual picture of this definition is provided: BALUN. A guide for beginners interested in antenna design and using simulation software tools. Kathrein is the innovation and technology leader in the field of base station antennas for mobile cellular networks, manufacturing of up to 100,000 antenna systems per month. If your Antenna system can shift the signals before transmission at each of the successive elements for a composite effect I. has created a Field Expedient Antenna Kit (FEA Kit) that provides operators all of the necessary supplies and items required to construct tactical communication or collection antennas in the field. The power dissipated in the radiation resistance is the power actually radiated by the antenna. 64) 2. 45 GHz. 15 dBi10 Actual Antenna Lengths Microwave Antenna 1. So, Same antenna can be used for Transmission and Reception of Electromagnetic Waves • Does not apply to active antennas. Prasad N. Ng Types of Antennas Radiation Mechanism Basic Antenna Parameters Basic Antenna Parameters Basic Antenna Engineering Powerpoint Templates,Science Powerpoint Templates, Blue, Communication, Physics, Technology, Weather This free PowerPoint template shows three radio antenna masts of different sizes. 1(a)) to the radiated field in the opposite (backlobe) direction (180° in Fig. Commercial VHF/UHF Going the distance HF Projects Q & A Most Important? Log-periodic Dipole Array (LPDA) with (a) coaxial feed (this is typically 50 Ω or 75 Ω) at the feed side (small end) of the antenna. It allows you to recognize and understand the power of communication, dentify specific communication problems and apply treatments and learn techniques to manage and ensure proper communication over cables, wifi or radio frequency antennas. LECTURE 8: Basic Methods in Antenna Measurements (Antenna ranges and anechoic chambers. Antennas and Propagation Slide 2 Chapter 4 5 Antenna Arrays Advantage Combine multiple antennas More flexibility in transmitting / receiving signalsApplication Note AN058 Antenna Selection Guide By Richard Wallace Keywords • Antenna Selection • Anechoic Chamber • Antenna Parameters • 169 MHz (136 – 240 MHz) AntennaPDFからOffice文書への変換機能をお客様のアプリケーションに組み込み! 『Antenna House PDF to Office 変換ライブラリ』(以下、本ライブラリ)は、アンテナハウスのパッケージ製品『瞬簡PDF 変換 シリーズ』で使用されて定評のある高精度変換エンジン(PDF→Word Huge List of PPT Paper Presentation Topics 2016, Latest IEEE Seminars List, Top Advanced Seminar Papers 2015 2016, Recent IEEE Essay Topics, Speech Ideas, Dissertation, CE New Thesis, Research IEEE CE Seminar Topics, Reports, Synopsis, Advantanges, Disadvantages, Abstracts, Presentation Slides Free Download PDF, DOC and PPT for Final Year BE マイクロソフト・オフィスを使わずに、サーバー上でエクセル、ワード、パワーポイントをPDFにダイレクト変換。 Office サーバーサイドオートメーションの危険性やライセンス問題を気にせず、高度な互 …This antenna effect can be understood in a different way also. Rhombic termination resistor Termination resistor needs to be near 800Ω Resistors must be carbon resistance - not inductive. An antenna must be tuned (matched) to the same frequency band as the radio system to which it is connected, Antennas are the isotropic antenna and the resonant half-wave dipole antenna. The antenna transmits and receives the modulated carrier signal at the radio frequency (RF) portion of the electromagnetic spectrum. 01 . Scribd is the world's largest social reading and publishing site. Quiet Fall Prevention - Mobility Monitoring. LECTURE 12: Loop Antennas (Radiation parameters of a small loop. (PPT, KEY, PDF) logging in or signing of Practical Antenna Handbook at a time for use by his students in a training class. But if you've never done it, you probably have a few questions. Multiple-Antenna Systems Jan Mietzner (janm@ece. Some basic references are provided at the end of these viewgraphs. Basic Wire Antennas Part I: Dipoles by Marc C. Antenna Performance Parameters. 30 Mar 2013 Antenna. PowerPoint Presentation Serif TablePlus 2001 APCO/NENA State Training Conference PowerPoint Presentation Terrestrial Microwave Antennas for Point-To-Point Communication Electrical Performance Parameters Parabolic Antenna Directive Gain PowerPoint Presentation Radiation Pattern Concept Radiation Pattern about Bore sight Cut Through Radiation Pattern at Boresight We will see main families of antenna used to create a radiated radio wave: wire antennas (dipole, monopole Yagi) Présentation PowerPoint Last modified by: Here’s a sample region from 300–600 MHz International allocation gets tricky E + + + - - - + - - + - - - + + + B + + + - - - + - - + - - - + + + B E Transmitting antenna Receiving antenna works best when ‘tuned’ to the wavelength of the signal, and has proper polarization Electrons in antenna are “jiggled” by passage of The above formula is to calculate the gain of a parabolic dish antenna where: D = The Diameter of the Dish. We will see main families The antenna is the interface between the transmission line and space A more practical antenna is the half-wave dipole; Dipole simply means it is in two parts Formation Powerpoint : Réaliser des présentations à utiliser lors de réunions et d’évènements avec le logiciel de PréAO PowerPointChapter Sixteen: Antennas. Bouncing radio signals via the moon and back to earth is a real challenge. A High Gain Antenna System for Airborne Satellite Communication Applications M. The most commonly employed microstrip antenna is a rectangular patch which looks like a truncated microstrip transmission line. is a family owned business with a 36 year history of exceptional inventory, customer service, industry knowledge and experience. 6 + j0 . com/loopantennas/pacificon. 2) or apertures (treated in Section 3. They may have antenna. Directivity and Gain Short Dipole Antenna The short dipole antenna is the simplest of all antennas. Electro magnetic waves related subjects: Antennas, Waves (physics), WLAN antennas: Electromagnetic waves and circular dichroism- an animated tutorial Electromagnetic waves are periodic changes of electric and magnetic fields in space and time. Horn antennas are used to transmit radio waves from a waveguide Antenna Design and RF Layout Guidelines www. Analyses of Spherical antennas K. OBJECTIVES Design several lengths of dipole antennas. An antenna, in its simplest form, is just a length of wire. The isotropic antenna radiates equally well in "all" directions. Engineering Electromagnetics. is usually used in North America and Europe by using small VSAT antenna with uplink frequency about 18 GHz and downlink around 12 GHz. element(s) to which power is applied. ANTENTOP- 03- 2004, # 004 Loop Antennas Feel Yourself a Student! Dear friends, I would like to give to you an interesting and reliable antenna theory. † 200 watts of CW power. Suman Rani Sanjay Sharma 2. 4,9/5(57)Communications Antenne PPT PowerPoint Templates www. Some antennas do this better than others, and there are many ways to get a signal into the air. 1 introduction 4 1. htmlTélécommunications PowerPoint offre un bon modèle pour les présentations d'antenne ou de communication. 2 cm) You can “curl up” such an antenna and make a helical antenna. T), MCA, MSc, MS, Electronics and Communication (EC), Mechanical, Electrical and Electronics (EEE), Instrumentation (IC) and Civil Engineering students with PPT and Abstract based on technical IEEE articles and PDFからOffice文書への変換機能をお客様のアプリケーションに組み込み! 『Antenna House PDF to Office 変換ライブラリ』(以下、本ライブラリ)は、アンテナハウスのパッケージ製品『瞬簡PDF 変換 シリーズ』で使用されて定評のある高精度変換エンジン(PDF→Word Huge List of PPT Paper Presentation Topics 2016, Latest IEEE Seminars List, Top Advanced Seminar Papers 2015 2016, Recent IEEE Essay Topics, Speech Ideas, Dissertation, CE New Thesis, Research IEEE CE Seminar Topics, Reports, Synopsis, Advantanges, Disadvantages, Abstracts, Presentation Slides Free Download PDF, DOC and PPT for Final Year BE マイクロソフト・オフィスを使わずに、サーバー上でエクセル、ワード、パワーポイントをPDFにダイレクト変換。 Office サーバーサイドオートメーションの危険性やライセンス問題を気にせず、高度な互 …This antenna effect can be understood in a different way also. When you have Noise in Antennas Thus far we have examined how to calculate the power radiated from an antenna and, using the Friis transmission formula, how to calculate the received power at the other end of Module 4, Lesson 1: Antenna Fundamentals and Definitions EE 497C: Wireless Communications 1 Antenna Fundamentals Definitions Antenna fundamentals are presented in Lesson 1 through 6. Beams are formed by shifting the phase of the signal The 'antenna ratio' of an inter-connect is used to predict if the antenna effect will occur. One way is the frequency band of operation. By definition, an antenna is a device used to transform an RF signal, traveling on a conductor, into an electromagnetic wave in free space. Introduction to a Cassegrain antenna 3 In the case of the main dish, the relationship is tan 1 2 ø m = ± 1 4 D m F m (2. N4UFP Antenna Overview 1 An antenna is a device that: Converts RF power applied to its feed point into electromagnetic radiation. These rudimentary devices were primarly a part of experiments that demonstrated the transmission of electromagnetic waves. COM201B Lightweight VHF Communications Antenna Sensor Systems, Bolton, MA The most important thing we build is trust Features † 30-88 MHz frequency range. txt) or view presentation slides online. Electromagnetic and Antenna Theory: Analysis and Design, Fourth Edition is designed to meet the needs of senior undergraduate and beginning graduate level students in electrical engineering and physics, as well as practicing engineers and antenna designers. Introduction • The antenna is the interface between the transmission line and space • Antennas are passive devices; the power radiated cannot be greater than the power entering from the transmitter • When speaking of gain in an antenna, gain refers to the idea that certain directions are radiated better than others • Antennas are reciprocal - the same design The basic antenna. CONTENTS WHAT IS ANTENNA TRANSMITTER ANTENNA RECEIVER ANTENNA YAGI-UDA ANTENNA ANTENNA An Outline. Stealth Antennas David Treharne N8HKU March 10, 2005 Introduction Most Hams want a large antenna Most don’t get one. Our annual unlimited plan let you download unlimited content from SlideModel. † Vertically polarized, omnidirectional radiation pattern in the azimuth plane in the elevation plane. 0 Chapter Sixteen: Antennas Introduction Simple Antennas The Half-Wave Dipole Basics of the Half-Wave Dipole Radiation Resistance Antenna Characteristics Radiation Patterns Plotting Radiation Patterns Gain and Directivity Beamwidth Front-to-Back Ratio Major and Minor Lobes Effective ANTENNA ARRAYS. ppt Yagi antennas at both ends increase signal strength, range and reduce interference. Laboratory #6: Dipole and Monopole Antenna Design I. Antenna gain relative to a dipole antenna can be expressed in decibels as dBd. It does NOT tune the antenna! • Old R. A smart antenna is a digital wireless communications antenna system that takes advantage of diversity effect at the source (transmitter), the destination (receiver), or both. The most basic antenna is called "a quarter wave vertical", it is a quarter wavelength long and is a vertical radiator. Illustration of Smart Antennas Sharing the Radio Spectrum Users communicating via the same base station have been separated in various ways: - by frequency as in FDMA ( frequency division multiple access), - by time as in TDMA ( time division multiple access), - by code as in CDMA ( code division multiple access) and - by space through SDMA Antenna Presentation Utah Amateur Radio Club Jed W. [?], and Rao [? Some diagrams are directly from the books. 2) or apertures (treated in Section 3. com Tuned Dipole Set 30 MHz - 1 GHz Horn Antennas Standard Gain Horn Antenna Frequency Bands Double-Ridged Waveguide Horn EMC Test Antennas History, Design and Construction Tuned Dipole Set 30 MHz - 1 GHz Horn Antennas Standard Gain Horn Antenna Frequency Antennas - A Brief Tutorial By Randy Klassen, OMNEX Control Systems Inc. III-5-2 Stratex Networks Signal Measurement Two receive signal measurement methods are available to assist antennaAntenna : 3 Antenna A transducer that transmits or receives EM waves Convert EM radiations to electric current or vice versa. Joe Reisert, W1JR, revised 8 April 2015. Basic Antenna Theory. An antenna is a device to transmit and/or receive electromagnetic waves. . Antenna 50 ohm Z RF Field E E · Z V Antenna Factor (ratio)= Example 12: Raspberry Pi Model 3B+ Antenna Evaluation. 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Loop antennas feature simplicity, low cost and versatility. Radiation Resistance; Antenna Pattern. Justin Voogt. Half Wave Dipole Antenna. Drake devices were named MN-4, MN-2000, MN-2700. IST. ECE-827. Granite Island Group is the International Leader in Technical Surveillance Counter Measures, Telecommunications Security, Counterintelligence, and Technical Security Consulting. ANTENNAS 1. Flag for inappropriate content. After discussing antenna 4th year – Electrical Engineering Department. As shown in the given diagram, the half wave dipole consists of a conducting wire cut from the center where the input is Antennas are sometimes broken or damaged, causing either a communications failure or poor communications. 4GHz Wireless USB Presenter PowerPoint Remote PPT Clicker for Presentation : Electronics利諾科技創始於1993年5月6號,專業於emc(電磁兼容性)/emi(電磁干擾)/ems(電磁耐受)相關設備銷售、校正及維修服務。www. Original dielectric loaded horn antenna Radiometric Temperature Sensor Antennas – Before and After Near field focused microstrip arrays f = 12. A pulsing electrical field is created between the wires, which cannot free itself from the cable. This course will be beneficial for those who need to know how the antenna affects the performance of a radar or communications system, how to select the materials used for antenna construction, how to analyze and design the electromagnetic performance of an Antennas • The antenna is VERY important if long range is important • A quarter wave antenna is an easy and good solution, but it is not small (433 MHz: 16. You can use this template for communication PowerPoint presentations or any other technology PowerPoint that requires a satellite slide design or dish antenna vector on the slide design. When air is used as the dielectric substrate, the length of the rectangular microstrip antenna is approximately one-half of a free-space wavelength. Increased parallel resistor stages will increase overall input Wattage. 4 GHz A helical antenna is an antenna consisting of a conducting wire wound in the form of a helix. struzak@ties. † No active tuning required. Its low weight and simple operation make it indispensable for anyone who needs an efficient measuring instrument outdoors for the installation and maintenance of antenna systems. Measuring -field farpatterns, gain, directivity, radiation efficiency, input …97 CHAPTER 3: ANTENNAS Antennas couple propagating electromagnetic waves to and from circuits and devices, typically using wires (treated in Section 3. The impedance matching network will be placed between the 50Ω source is usually used in North America and Europe by using small VSAT antenna with uplink frequency about 18 GHz and downlink around 12 GHz. Antenna theory, basics,design antenna is a curation of 299 resources about , Optimizing Inductors, Antenna tips for the beginner, Ground / Radial Systems, Azimuth Radiation Patterns, Why a Beam Antenna. Sunol Sciences Corporation Pleasanton, California stu@sunolsciences. 4 cm, 868 MHz: 8. Misra, Gourav, Arun Agarwal, and Kabita Agarwal. Our customer base includes all major system manufacturers as well as over 240 network operators worldwide. In most cases, helical antennas are mounted over a ground plane. FRACTAL ANTENNA – ANINTRODUCTION …Horn antennas are popular in the microwave (above 1 GHz). introduction principle yagi-uda antenna is an electromagnetic device that collects radio waves. T), MCA, MSc, MS, Electronics and Communication (EC), Mechanical, Electrical and Electronics (EEE), Instrumentation (IC) and Civil Engineering students with PPT and Abstract based on technical IEEE articles and microwave antenna Download PowerPoint Slides Downloads: 1025ANTENNA. Introduction • The antenna is the interface between the transmission line and space • Antennas are passive devices; the power radiated cannot be greater than the power entering from the transmitter • When speaking of gain in an antenna, gain refers to the idea that certain directions are radiated better than others • Antennas are reciprocal - the same design Introduction to Antennas An antenna is used to radiate electromagnetic energy efficiently and in desired directions. Antennas 1 TYPES OF MICROWAVE ANTENNAS. It would make a great background for a presentation on radio technology, cell phones, aerials, communications, or telecoms. PowerPoint Presentation A smart antenna system combines multiple antenna elements with a signal processing capability to optimize its radiation and/or reception pattern automatically in response to the signal environment. Introduction • The antenna is the interface between the transmission line and space • Antennas are passive devices; the power radiated cannot be greater than the power entering from the transmitter • When speaking of gain in an antenna, gain refers to the idea that certain directions are radiated better than others • Antennas are reciprocal - the same design Introduction to antennas Michel Anciaux / APEX November 2004 What is an antenna? Region of transition between guided and free space propagation Concentrates incoming wave onto a sensor (receiving case) Launches waves from a guiding structure into space or air (transmitting case) Often part of a signal transmitting system over some distance Not limited to electromagnetic waves (e. This course is designed for engineers, scientists, antenna engineering managers, project planners, and practicing antenna technicians. 176 patch pozar/ for more discussion of microstrip reflectarrays This reflectarray Parabolic antenna. Controlling signal phases A DSP weighting scheme This basic hardware and software concept is known as the ‘phased array antenna’ 13 . V. Introduction • The antenna is the interface between the transmission line and space • Antennas are passive devices; the power radiated cannot be greater than the power entering from the transmitter • When speaking of gain in an antenna, gain refers to the idea that certain directions are radiated better than irjet-circularly polarized microstrip patch antenna with artificial ground structure for wideband applicationsPowerPoint Templates - Are you a PowerPoint presenter looking to impress your audience with professional layouts? 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Hearing your own echoes coming back from the moon for the first time is something that …PDFからOffice文書への変換機能をお客様のアプリケーションに組み込み! 『Antenna House PDF to Office 変換ライブラリ』(以下、本ライブラリ)は、アンテナハウスのパッケージ製品『瞬簡PDF 変換 シリーズ』で使用されて定評のある高精度変換エンジン(PDF→Word Huge List of PPT Paper Presentation Topics 2016, Latest IEEE Seminars List, Top Advanced Seminar Papers 2015 2016, Recent IEEE Essay Topics, Speech Ideas, Dissertation, CE New Thesis, Research IEEE CE Seminar Topics, Reports, Synopsis, Advantanges, Disadvantages, Abstracts, Presentation Slides Free Download PDF, DOC and PPT for Final Year BE マイクロソフト・オフィスを使わずに、サーバー上でエクセル、ワード、パワーポイントをPDFにダイレクト変換。 Office サーバーサイドオートメーションの危険性やライセンス問題を気にせず、高度な互 …This antenna effect can be understood in a different way also. com Our Objectives • Good Antennas – Good efficiency – Good predictable EMC Test Antennas History, Design and Construction Stuart Kron, P. txt) or view presentation slides online. 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Radar Antenna and Transmitter Technologies To meet the system requirements of range, coverage and resolutions, radar antenna needs to generate different types of beams of desired pattern characteristics in terms of beam shape, beam width, sidelobe level and directivity with an ability to steer the beam in desired directions. Really, at first I did not know what information to chose for ANTENTOP. 1(a)). Introduction . “Smart” >> digital signal processing facility 3. It was invented by John D. Basic Antenna Theory Antenna theory is a large subject, so this page just highlights some basic antenna topics which are relevant to circuits used on my site. At Smart Caregiver we continue to lead the way in developing the finest fall prevention products at lower cost. RADIO W AVE PROPAGATION INTRODUCTION EM waves travel in straight lines, unless acted upon by some outside force. The antennas will be fed by a BALUN (balanced-unbalanced transformer) for balanced excitation. 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Different kinds of antennas. antenna ppt Petrovich, AD7KG March 6, 2008 Introduction Starting out Homebrew vs. beautyppt. 0 Chapter Sixteen: Antennas Introduction Simple Antennas The Half-Wave Dipole Basics of the Half-Wave Dipole Radiation Resistance Antenna Characteristics Radiation Patterns Plotting Radiation Patterns Gain and Directivity Beamwidth Front-to-Back Ratio Major and Minor Lobes Effective Isotropic Radiated Power and Effective Radiated Power antenna. Presentation Summary : Microstrip Antenna Designs for of test fixture. 5:1 (typical). Is the ratio of the power radiated by an antenna in its direction of maximum radiation to the power radiated by a reference antenna in the same direction. Here are some answers. 99) . The resistive part of the antenna impedance is split into two parts. Electromagnetic waves are often referred to as radio waves. Network parameters Radio Reconnaissance Technologies Inc. ryszard. Zigbee Seminar and PPT with pdf report: Technological standard designed for control and sensor networks are based on the IEEE 802. Sign up to be notified when new Classes are added to the site. † VSWR 2. com Document No. Commercial VHF/UHF Going the distance HF Projects Q & A Most Important? Antenna PowerPoint template perfect for business or personal using. This type of antenna works by using a diversity effect at the wireless system’s transceiver. This is often a good solution since it utilizes unused volume for a product. acoustic Antenna Temperature is a property of an antenna and the environment it operates in. com - id: 48ea10-NzIxM Times Symbol BLAKEMASTER. Antenna Design: Antenna is an object used to grab the signals from space. an antenna tuned to a particular frequency will resonate to a radio signal of the same frequency. Grating Lobe A grating lobe or grating beam is a beam identical to the main beam but in undesired direction. the impedance of a /8 antenna is 8 – j500 . a radiation resistance Rr and a loss resistance Rl. 415 Legget Drive Kanata, Ontario K2K 2B2, CANADA Phone: 613-592-6500 FAX: 613-592-7427 ABSTRACT A high gain antenna for commercial aviation satellite communications is discussed. Mar 30, 2013 Antenna. General considerations and fundamental parameters Gen. Expand the Ray55 and Ray55E with the powerful Raymic remote handset. PDFからOffice文書への変換機能をお客様のアプリケーションに組み込み! 『Antenna House PDF to Office 変換ライブラリ』(以下、本ライブラリ)は、アンテナハウスのパッケージ製品『瞬簡PDF 変換 シリーズ』で使用されて定評のある高精度変換エンジン(PDF→Word Huge List of PPT Paper Presentation Topics 2016, Latest IEEE Seminars List, Top Advanced Seminar Papers 2015 2016, Recent IEEE Essay Topics, Speech Ideas, Dissertation, CE New Thesis, Research IEEE CE Seminar Topics, Reports, Synopsis, Advantanges, Disadvantages, Abstracts, Presentation Slides Free Download PDF, DOC and PPT for Final Year BE マイクロソフト・オフィスを使わずに、サーバー上でエクセル、ワード、パワーポイントをPDFにダイレクト変換。 Office サーバーサイドオートメーションの危険性やライセンス問題を気にせず、高度な互 …This antenna effect can be understood in a different way also. Antennas are simply lengths of conductive metal that radiate radio signals into the air. Stephen Mackey Smart Antenna for Cellular Mobile Communication 1RK Jain*, 2Sumit Katiyar and 3NK Agrawal ABSTRACT The adoption of smart / adaptive antenna techniques in future wireless systems is expected to have a significant impact on the efficient use of the spectrum, the minimization of the cost of establishing new wireless networks, PowerPoint Slides : microwave antenna >> Browse by Author >> Browse by Institute Downloads: 489 Download Smart Antenna Seminar | PPT | PDF Report: A smart antenna commonly known as multiple antenna or adaptive array antenna can be defined as a digital wireless communications system with increased efficiency. com. Antenna Radio Data Interface Ham Computer A typical ham radio digital station is composed of simple components. Introduction* Many of the basic methods for measuring antenna characteristics were developed before and during World War II. You are welcome to visit a website that goes along with a course at the University of Houston on microstrip antennas (PowerPoint viewgraphs from the course may be found there, along with the viewgraphs from this short course). 2 However, antennas < /4 in length appear highly capacitive and become inefficient radiators. Point-to-Multipoint In a multipoint system, an Omni antenna is typically used as the master with individual Yagi antennas as “slaves” pointing to the “master” antenna for the best range and signal strength. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow. S. American Journal of Electrical and Electronic Engineering , 3 (4), 93-99. The usual microstrip patches are just different variations of the slot antenna and all radiate due to linear polarization. Share and Use antenna clipart and images from Openclipart Antenna Characteristics Antenna Gain. ca, Room: Kaiser 4110) 1. Antenna Selection Guide By Richard Wallace Keywords The antenna is a key component for reaching the maximum distance in a wireless communication system. 1) the positive sign applies to Cassegrain forms and the egative sign to the Gregorian forms. Antenna Alignment Vol. Frequency Range. Types Of Antennas. This is an antenna that consists of a flaring metal waveguide that is shaped like a horn to direct radio waves in a beam. The other advantage is that they can reduce the backward radiation towards the top of the antenna by absorbing power, which enhances the efficiency. Wire Antennas for the Beginner Every ham knows how to make and install wire antennas. The definition of antenna factor is the ratio of incident electric field strength [upon an antenna] to the voltage that is produced at the antenna’s terminals—into a 50 ohm load. Introduction •Consider antenna array with N elements and directional antenna pat- Radio Reconnaissance Technologies Inc. picture of antenna. 14 . Antenna theory and antenna terminology can seem complicated to the uninitiated. Thus, an antenna with a gain of 3 dBd would have a gain of 5. The antenna can be anything from a long, stiff wire (as in the AM/FM radio antennas on most cars) to something as bizarre as a satellite dish. Design appropriate impedance matching networks for those antennas. 2 the need for antenna integration 5 1. Amazon. • NOT different from any other impedance matching circuit. This antenna is formed by arranging the long wire in a V-shaped pattern. What is an Antenna? Historical Background. Antenna Fundamentals (1). Department of Transportation Office of the Secretary of Transportation John A. It allows you to recognize and understand the power of Antennas. com/fr/communications-antenna-ppt. Outline. For example, the impedance of a /4 antenna is 36. A phased array antenna is composed of lots of radiating elements each with a phase shifter. Contents 1 Introduction 1 2 Types of Antennas 3 3 Radiation Mechanism 5 4 Current Distribution on a Thin Wire Antenna 9 Antenna Basics White Paper This white paper describes the basic functionality of antennas. cypress. The kit contains enough of the necessary equipment to allow two antenna, with arbitrary impedance loads at both top and base. It is used for the operation of the wireless objects by receiving the waves and distributing them accordingly. 3. applications