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LINEAR AND EFFICIENT HALF-SINUSOIDALLY DRIVEN HARMONIC-CONTROL AMPLIFIER
LINEAR AND EFFICIENT HALF-SINUSOIDALLY HARMONIC-CONTROL AMPLIFIER DRIVEN Bernhard Ingruber, Wolfgang Konrad, Dieter Smely, and Gottfried Magerl Technische Universitat Wien, Institut fur Elektrische Mess- und Schaltungstechnik, GusshausstraBe 25/354, A-I040 Wien, Austria Tel. +43-1-58801-35420, Fax. +43-1-58801-35499, E-mail: bingrube@emst.tuwien.ac.at Abstract - We optimized a half-sinusoidally
Watt-Level Ka-Band Quasi-Optical Amplifier Arrays
Watt-Level Ka-Band Quasi-Optical Arrays Michael Forman, Todd Marshall, Kyoung Yangt, John Whitakert, Linda Katehit, and Zoya Popovic Amplifier Department of Electrical Engineering University of Colorado Boulder, CO 80309-0425 AbstractSmall-signal gain, resonant-mode gain, and saturated output power are studied on two Kaband quasi-optical slot-antenna amplifier arrays fabricated with commercial
A Cost-Effective RF-Module with Built-in Patch Antenna for Millimeter-Wave Wireless Systems
A Cost-Effective RF-Module with BuUt-in Patch Antenna for Millimeter-Wave Wireless Systems Yasutake Hirachi , Hiroshi Nakano and Akihito Kato* Fujitsu Quantum Devices LTD., Communications Research Lab.* Kokubo Kogyo Danch~ Showa-Chou, Nakakoma-gun, Yarnanashi-ken, 409-3883 Japan E-mail: hirati@to.fqd.fujitsu.coJp Abstract - A new cost-effective RF-module with built-in patch antenna was proposed a
Cut-off Dielectric Resonator Push-Push Active Antenna Transmitter
Cut-off Dielectric Resonator Push-Push Active Antenna Transmitter S.Yang,V.F.Fusco High Frequency Electronics Laboratory School of Electrical & Electronic Engineering The Queen's University of Belfast, Ashby Building, Stranmillis Road, Belfast, BT9 5AH, N Ireland, UK Ph: +44 1232274087 Fax: +44 1232667023 Email: v.fusco@qub.ac.uk Abstract - In this paper a novel structure is shown whereby a diele
Radiation Pattern Synthesis from Dielectric Rod Waveguides by Disposing Radiation Sections
Radiation Pattern Synthesis from Dielectric Rod Waveguides by Disposing Radiation Sections Hiroshi Kubo and Yasuhiko Fukuoka Department of Electrical and Electronic Engineering, Yamaguchi University Tokiwadai 2-16-1, Ube-shi 755-8611, Japan e-mail: kubo@po.cc.yamaguchi-u.ac.jp Abstract A radiation pattern synthesis of dielectric rod waveguides with many radius variations is investigated. The radi
IMPROVED MODELLING OF TAPERED IDG ANTENNAS
IMPROVED MODELLING OF TAPERED IDG ANTENNAS Andrew B. Hannigan, Steve R. Pennock, Peter R. Shepherd Department of Electronic and Electrical Engineering University of Bath, Bath, BA2 7AY, United Kingdom eMail: a.hannigan@ieee.org.eessrp@bath.ac.uk.eesprs@bath.ac.uk Abstract - The currents flowing on the finite ground plane of the inset dielectric guide tapered slot antenna (IDG- TSA) have a signific
Radiation From a Dielectric-Filled Waveguide Terminated by a Finite Metallic Flange of Arbitrary Shape
Radiation From a Dielectric-Filled Waveguide Terminated by a Finite Metallic Flange of Arbitrary Shape A. Moumen, L.P. Ligthart ITS-IRCTR, Delft University of Technology A.Moumen@ITS.TUDelft.NL http://irctr.et. tudelft.nl Abstract --- A diagnostic and design tool, based on the method of moments (MoM) technique, is presented for analysing the radiation from an aperture incorporating dielectric mate
POLARIMETRIC TECHNIQUES FOR SAR CONTRAST AND RESOLUTION ENHANCEMENT
Application of decomposition theories to experimental scattering data from dielectric rough surfaces
Application of decomposition theories to experimental scattering data from dielectric rough surfaces Andrea Cucurachi 1. Frederic Molinet 1. Giuseppe Nesti 2 1 SocieteMOTIIESIM, La Boursidiere,RN 186,BP 182,Le Plessis Robinson,France 2 SAI/IDP, JRC Ispra, TP 720, Italy - AbstrllCt the experimental data taken in the European Microwave Signature Laboratory at JRC, relative to two different rough
TARGET VECTOR REALITY CRITERIA and the relation between covariance and Kennaugh matrix descriptors of partially coherent backscatter
TARGET VECTOR REALITY CRITERIA and the relation between covariance and Kennaugh matrix descriptors of partially coherent backscatter D H 0 Bebbington, G Wanielik and M C Chandra University of Essex, Colchester U.K., University ofChemnitz, Germany, DLR Institut fur Hochfrequentztechnik, Obepfaffenhofen, Germany. e-mail david(@.essex.ac.uk While the equivalence between the Abstract covariance and K