Find a document written by the best international scientists in our secure database.

24776 documents found.

Millimeter-wave DRO with Excellent Temperature Stability of Frequency

Author: T. Kato, K. Iio, K. Sakamoto, Y. Takimoto

Millimeter-wave DRO with Excellent Temperature Stability of Frequency Takatoshi Kato, Ken'ichi lio, Koichi Sakamoto, and Yukio Takimoto Murata Mfg. Co., Ltd. Tenjin. Nagaokakyo, Kyoto 617-8555 Japan E-mail:kato@murata.co.jp Abstract - Novel millimeter-wavedieleetric resonator oscillators (DRO) and dielectric resonator voltage controlled oscillators (DR-VCO) have been developed for communication

A Novel Crossed Dipole Structure for Quasi-Optical Frequency Doubler Applications

Author: S. Helbing, M. Cryan, F. Alimenti, P. Mezzanotte, L. Roselli, R. Sorrentino

A Novel Crossed Dipole Structure for Quasi-Optical Frequency Doubler Applications S. Helbing, M. Cryan, F. Alimenti, P. Mezzanotte, L. Roselli and R. Sorrentino Dipartimento di Ingegneria Elettronica e dell'lnformazione Universitadi Perugia, ViaG. Duranti 93, 1-06131 Perugia, Italy. e-mail: helbing@diei.unipg.it Abstract - The Lumped Element Finite Difference Time Domain (LE-FDTD) method is used t

Design and Characterisation of an Integrated Frequency Tripler on GaAs Substrate

Author: R. Meola, J. Freyer

Design and Characterisation of an Integrated Frequency Tripier on GaAs Substrate Renato Meola, Jiirgen Freyer Lehrstuhl fur Allgemeine Elektrotechnik und Angewandte Elektronik, Technische Universitat Miinchen Arcisstr. 21, D-80333 Miinchen, Gennany (Phone: ++49 (0)89 289-22948, Fax: ++49 (0)89 289-22950, E-mail: aet@ei.tum.de) Abstract - Design and characterisation of a frequency tripler on sem

Simulation and Measurement of Dielectric Antennas at 150 GHz

Author: J. Weinzierl, J. Richter, G. Rehm, H. Brand

Simulation and Measurement of Dielectric Antennas at 150 GHz Jochen Weinzierl, Jiirgen Richter, Gunther Rehm, Hans Brand Lehrstuhl fUrHochfrequenztechnik, Universitat Erlangen-Numberg WWW: http://www.lhft.e-technik.uni-erlangen.de Abstract Based on the development of a flexible, dielectric waveguide system for frequencies in the region of 150 GHz [1], the antenna characteristics of various tapered

A 2 Watt, High Gain Ka-Band MMIC Amplifier Design Utilizing A Ternary Power Combining of P-HEMTs

Author: M.N. Ruberto, A. Madjar

A 2 Watt, High Gain Ka-Band MMIC Amplifier Design Utilizing A Ternary Power Combining of P-HEMTs Mark N. Ruberto and Asher Madjar Department of Microwave and Millimeter-wave Subsystems RAFAEL, P.O. Box 2250 / 87, Haifa31021 Israel Tel. No. +972-4-8794360 Fax No. +972-4-8792037 e-mail: mruberto@rafael.co.il Abstract - A 2 Watt Ka-band MMIC power amplifier was designed using a ternary combination o

A Ka-Band, Mixed Microstrip/Waveguide Power Amplifier Module Design Based on A Ternary Combination of Power Elements

Author: M. Ruberto, I. Shapir, S. Matarasso, Z. Nativ, A. Brietbard, A. Nahum

A Ka-Band, Mixed Microstrip/Waveguide Power Amplifier Module Design Based on A Ternary Combination of Power Elements M. Ruberto, I. Shapir, S. Matarasso, Z. Nativ, A. Brietbard and A. Nahum Department of Microwave and Millimeter-wave Subsystems RAFAEL, P.O. Box 2250 / 87, Haifa31021 Israel Tel: +972-4-8794360 Fax: +972-4-8792037 e-mail: mruberto@rafael.co.il Abstract A power amplifier module des

Characterisation of 210 GHz Pulsed GaAs IMPATT Diode

Author: C. Benz, J. Freyer

Characterisation of210 GHz Pulsed GaAs IMPATT Diode Christian Benz, Jiirgen Freyer Lehrstuhl fUrAllgemeine Elektrotechnik und Angewandte Elektronik, Technische Universitiit Munchen D-80290 MOOchen,Germany Phone: +49 (0)89 28922948, Fax: +49 (0)89 28922950, eMail: aet@ei.tum.de Abstract - GaAs double-drift Read IMPATT diodes are designed for pulsed operation up to 210 GHz with extremely high cur

RADAR TARGET DETECTION USING MULTISCALE WAVELET TRANSFORM

Author: E. Elsehely, M.l. Sobhy

RADAR TARGET DETECTION USING MUL TISCALE WAVELET TRANSFORM Ehab Elsehely and M.l. Sobhy Electronic Engineering Laboratory University of Kent at Canterbury Kent, U.K. CT27NT Phone: +441227823236 Fax:+44 1227456084 Email: M.I.Sobhy@ukc.ac.uk Abstract: This paper presents a method to extract the received target pulse in a noisy environment. The multiresolution property of the wavelet transform is wel

MICROWAVE SCATTERING FROM STRATIFIED HETEROGENEOUS RANDOM MEDIUM EMBEDDED WITH NON- SPHERICAL PARTICLES

Author: N.M. Nedeltchev, J.C. Peuch, H. Baudrand

MICROWA VE SCATTERING FROM STRATIFIED HETEROGENEOUS RANDOM MEDIUM EMBEDDED WITH NON- SPHERICAL PARTICLES Nedialko M. Nedeltchev*, Jean Claude Peuch**, Henri Baudrand** * Institute of Electronics, Bulgarian Academy of Sciences, Fax: 359(2) 975 3201, Tel: 359(2) 74 31 673, E-mail: nede1chv@phys.acad.bg **Institut National Poly technique E.N.S.E.E.I.H.T., Groupe de Modelisation Electromagnetique, 2

Transmitter Frequency and Position Detection Methods For Space Division Multiple Access (SDMA) Systems

Author: W. Fisch, V. Chtchekatourov, P. Russer

Transmitter Frequency and Position Detection Methods For Space Division Multiple Access (SDMA) Systems - Walter Fisch, Vitali Chtchekatourov, Peter Russer Institut fuer Hochfrequenztechnik Technische Universitaet Muenchen Arcisstrasse 21, D-80333 Muenchen e-mail: fisch@ei.tum.de Abstract In this paper three different methods to detect frequency and position of transmitters are presented. Averagi