MEENAKSHI SUNDARARAJAN ENGINEERING COLLEGE DEPARTMENT OF ECE EC2353-ANTENNAS AND WAVE PROPAGATION QUESTION BANK UNIT – I PART – A 1. What is retarded current? 2. Define hertzian dipole. 3. Define antenna gain. 4. What are the two types of radiation pattern? 5. State reciprocity principle. 6. Define antenna temperature. PART – B 1. Derive the expression for calculation of electromagnetic field due to an alternating current element.
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SETIT 2009 Design of a Dual-Band Microstrip Patch Antenna for GSM/UMTS/ISM/WLAN Operations Said GHNIMI*‚ Adnen RAJHI* and Ali GHARSALLAH* *Unité de recherche Circuits et Systèmes Electroniques Haute Fréquences‚ Faculté des sciences de Tunis said.ghnimi@fst.rnu.tn adnen.Rajhi@esti.rnu.tn ali.gharsallah@fst.rnu.tn Abstract: This paper describes the design of a dual-frequency antenna for GSM and UMTS/LAN/ISM system applications. A patch antenna with rectangular aperture is designed by using a thick
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Smart Antenna Systems for Mobile Communications FINAL REPORT Ivica Stevanovi´‚ Anja Skrivervik and Juan R. Mosig c January 2003 Laboratoire d’Electromagn´tisme et d’Acoustique e Ecole Polytechnique F´d´rale de Lausanne e e CH-1015 Lausanne Suisse http://lemawww.epfl.ch/ ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE Contents 1 Introduction 1.1 Evolution from Omnidirectional to Smart Antennas 1.1.1 1.1.2 1.1.3 1.2 . . . . . . . . . . . . . . . . . . . 1 4 4 5 5 8 8 10 14 17 17 19 20 21
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STUDY OF ANTENNA MINIATURIZATION AND FEEDING TECHNIQUES Divya Sharma‚ Manvi Chandra‚ Rishi Pahwa‚ Vishal Madan Abstract:These days‚ size reduction & bandwidth enhancement are becoming major design considerations for practical applications of antennas. For this reason‚ studies to achieve compact & broadband operations of microstrip antennas have greatly increased. Much significant progress in the design of compact microstrip antennas with broadband‚ dual-frequency‚ dual polarized‚ circularly
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RECTANGULAR MICROSTRIP PATCH ANTENNA USING METAMATERIAL FOR BETTER EFFICIENCY Gourav Singh Rajput‚ Department of Electronics‚ Madhav Institute of Technology and Science Gwalior‚ (M.P); EMAIL- gouravrajput23@gmail.com Abstract In this present work‚ “Design and analysis of patch antenna using metamaterial (MTM) structure” is proposed for better improvement in the impedance bandwidth and reduction in the return loss at operating frequency 1.89 GHz. The proposed antenna is designed at a height 3.2
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Examensarbete 30 hp December 2011 Design of an Antenna for a Wireless Sensor Network for Trains Malkolm Hinnemo Abstract Design of an Antenna for a Wireless Sensor Network for Trains Malkolm Hinnemo Teknisk- naturvetenskaplig fakultet UTH-enheten Besöksadress: Ångströmlaboratoriet Lägerhyddsvägen 1 Hus 4‚ Plan 0 Postadress: Box 536 751 21 Uppsala Telefon: 018 – 471 30 03 Telefax: 018 – 471 30 00 Hemsida: http://www.teknat.uu.se/student An antenna for a wireless sensor network for trains is
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Rectangular Microstrip 6X6 Patch Array Antenna Performance Evaluation based on Permittivity of the Substrate Materials 1 P.Sreyash‚ 1A.Snehitha‚ 1V.Satya Sainadh‚ 1P.L.Madhuri‚ 1Saroj Gautam‚ 2 Mr.B.T.P.Madhav‚ 2Mr.Pranob Kumar Charles‚ 3Dr.Habibullah Khan Department of ECE‚ K L University‚ AP‚ India. : sreyash306@yahoo.com‚ Snehitharao@yahoo.com 1 Project Students‚ 2Asst. Professor‚ 3Assoc. Professor‚ 4Head of the Department Abstract: In the recent years‚ the development in communication systems
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Scientific Publishing Co.‚ Singapore‚ 1984. J. A. Stratton‚ Electromagnetic Theory‚ McGraw-Hill‚ New York‚ 1941. this article‚ and characteristics of the antenna are experimentally investigated. 2. DESIGN CONSIDERATIONS AND EXPERIMENTAL RESULTS 1997 John Wiley & Sons‚ Inc. CCC 0895-2477r97 A COMPACT MEANDERED CIRCULAR MICROSTRIP ANTENNA WITH A SHORTING PIN 1 Kin-Lu Wong‚1 Chia-Luan Tang‚1 and Hong-Twu Chen 2 Department of Electrical Engineering National Sun Yat-Sen University Kaohsiung
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Design of Compact Dual-Band Microstrip Patch Antenna for GPSK-PCS Operation Ho-yong Kim’‚ Yong-nn Lee‚ Chung-ho Won‚ Hong-min Lcc Department of Electronics EngineeringKyon@ Univerrily hi-Dong‚ Yeongtong-Cu‚ Suwon-Si‚ Kyonggi-do‚ Korea email: hyounrsn@hotmail.com lnlraduetion In recent years‚ with the advance o f technology‚ the demand for an antenna operating a1 mutibands i s increasing rapidly. Such as GPS and K-PCS‚ The multi-hand antennas with one feeding pon use the multiple resonance
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A Simple Design of Microstrip Patch Antenna and its comparative analysis Isha Grover1‚ Kapil Jain1‚ Niharika Gupta1‚ Nikita Gupta1‚ Niriksha Garg1‚ Nitin Tayal1‚ A.S.Gour2‚ Mukesh Arora2 1Swami Keshvanand Institute of Technology‚ Management & Gramothan (Student) 2Swami Keshvanand Institute of Technology‚ Management & Gramothan (Faculty‚ ECE) Email Id: groverisha27@gmail.com‚ kapillapik@gmail.com‚ nigupta90@yahoo.co.in‚ nikita16aries@gmail.com‚ niriksha.garg@gmail.com‚ er.ntayal@gmail.com‚ ajayecskit@gmail
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