Cut-Off Number of Elements in Polyadic Cantor Arrays N. Raveu 1, H. Aubert 1, and H. Legay2 1 2 INPT-ENSEEIHT, 2 rue Charles Camichel, 31071 Toulouse, France ALCATEL Space, 26 av. JF Champollion, 31037 Toulouse, France Abstract -- Discrete self-similar (polyadic Cantor) distributions of radiating elements allow the design of low side-lobe arrays. However, for achieving typical Tx-band geostastio

Radiowave Interferometry of Human Respiratory Movements and Heartbeats A.V. Abramov, A.S. Bogolyubov, A.E. Postelga, D.A. Usanov, Al.V. Skripal, An.V. Skripal Saratov State University, Moskovskaya 155, 410012 Saratov, Russia, (+7)8452 514563 Abstract -- The possibility of applying the fixedfrequency and multifrequency radiowave interferometry with utilization of magic tee and Gunn-diode autodyne f

EFFICIENT HFET POWER AMPLIFIER Bal S.Virdee1, Avtar S. Virdee2 London Metropolitan University, Dept. of Computing, Communications Technology & Mathematics, 166-220 Holloway Road, London, N7 8DB, U.K., 2 Filtronic Components Ltd., Airedale House, Acorn Park, Shipley, Bradford, BD17 7SW, U.K. Abstract - The design and performance of a high efficiency power amplifier operating in ClassAB/F at X-band

The using multifrequency airborne radar complex MARS for subsurface remote sensing I.A. Kalmykov, V.N. Tsymbal, V.B.Yefimov Center for radiophysical sensing of the Earth National academy of sciences and National space agency of Ukraine 12 Ak. Proscura Str., Kharkov, 61085 Ukraine tel: +380-577-448-412 fax: +380-577-441-012 E-mail: kalmykov-ire.kharkov.ua, crse-mail.ru The topographic map of the ex

Measurements of Non-Ionizing Radiation Levels in an Urban Environment C. Pérez-Vega, and J.M. Zamanillo University of Cantabria, Communications Engineering Department (DICOM), Av. de los Castros s/n, 39005 Santander, Spain,Tel. +34 942 201554 Abstract -- In this paper, we resume the results of electromagnetic radiation measurements performed in the urban environment of the city of Santander, in S

Radar Cross Section for Pedestrian in 76GHz Band Naoyuki Yamada, Yuichi Tanaka and Kunitoshi Nishikawa TOYOTA Central Research & Development Labs., Inc. Nagakute-cho, Aichi-gun, Aichi, 480 1192, Japan Phone: +81 561 63 4599, Fax: +81 561 63 6559 Email: yamada-mosk.tytlabs.co.jp Abstract -- This paper describes the results of our evaluation of a pedestrian's radio wave reflection characteristics. T

Efficient Area Reduction in Microstrip CrossCoupled Resonator Filters by Using Split Rings Resonators and Spiral Resonators. 1 J.J. García-García, 1J. Bonache, 1I. Gil, 1F. Martín, 2M.C. Velázquez-Ahumada and 2J. Martel 1 Departament d'Enginyeria Electrònica. Universitat Autònoma de Barcelona. 08193 BELLATERRA (Barcelona). Spain. Phone: 34935813522; Fax: 34935812600. 2 Grupo de Microondas. Univ

Size Reduction of MMIC Packages Using Compression Approach Simulations Jean-Marc Lesage1, Renaud Loison2, Rapha¨ l Gillard2 , Thierry Barbier1 , Yves Mancuso1 e Thales Airborne Systems (TAS), 2 Avenue Gay-Lussac, 78851 Elancourt, France Electronics and Telecommunications Institute of Rennes (IETR), UMR CNRS 6164 INSA, 20 avenue des buttes de co¨ smes, CS 14315, 35043 Rennes Cedex, France e Tel : 0

A system level model of Solid State Amplifiers with memory based on a non linear feedback loop principle. C.Maziere, A.Soury, E.Ngoya Member IEEE, J.M.Nebus * IRCOM ­ UMR CNRS 6615 ­ 123 Avenue Albert-Thomas 87060 LIMOGES Cédex e-mail: maziere- ircom.unilim.fr Abstract -- This paper presents a new behavioral modeling approach for solid state amplifiers (SSAs) used in communication systems. The mod

Coplanar Waveguide Transmitting a Left-Handed Wave Jan Machác1, Martin Hudlicka1, Ján Zehentner1, Nikolaos G. Spiliotis2, Abbas S. Omar2 1 Czech Technical University, Technicka 2, 16627 Prague 6, Czech Republic, +420 224352279 2 University of Magdeburg, PF 4120, 39016 Magdeburg, Germany, +49 391618499 Abstract ­ This paper presents a new version of a coplanar waveguide that transmits a left-hand