Investigation of impulse sub-surface for extremely lossy ground G. Junkin and K.C. Lee The Universityof Sheffield, Department of Electronic & Electrical Engineering, PO Box 600, Mappin Street, Sheffield S 1 4DU, U.K. Tel. 44 (0)742 825586 Fax 44 (0)742 726391 email G.JUNKIN-UK.AC.SHEFFIELD radar strategies Abstract An Electromagnetic scaled model using salt-water and oil was constructed to exper

A rain retrieval method examined using airborne radar measurements of tropical storms M Thurai., T Kozu", H Kumagai". Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX 11 * OQX, UK Tel: +44235 445770, Fox +44235446140, emoil: thurai-sa.rl.ac.uk * * Notional Space Development Agency of Japan, 1-29-6 Hamamatsucho, Minato-ku, Tokyo 105 Japan, Tel: +81 3 5401 8667, Fox: +81 3 5401 8672 * * * Co

Radar terrain clutter model with consideration propagation eHects c.c. Lin and J.P. Reilly The Johns Hopkins University Applied Physics Laboratory, Johns of HopkinsRood,Laurel,Maryland 20723-6099, USA Abstract This paper presents a method to characterize terrain visibility and clutter as seen by a shipboard radar in a coastal environment. The method takes into account the location of the ship,

"BRENDA" bistatic radar equipment acquisition (a Barcelona & data bistatic radar experiment) A. Elias-Fuste, R. De Porrata-Doria, A. Broquetas, A. Aguasca, J.F. Muniain Universitat olitecnicade Catalunya, Dpt. IS.C., E.TS. Enginyers P de Telecomunicacio. ampusNord U.P.c., Ed. D-3. cl Sor Eulalia C de Anzizu, sin, 08034 Barcelona.Tel.:(3431401-67-84; Fox: 13431401-72-32; E-Mail: ramir-voltorupc

An analysis tool for active antenna radar performance Le Roy 1.(1), Lifermann A.( 1), Richard J.(2), Baudrand H.(3) (11 Centre National d'Etudes Spatiales, 18, avenue.. E. Belin, 31055 Toulouse Cedex, France Tel: 33 61 28 15 06. Fax: 33 6 281815. (2 Alcatel Espace, 26, avenue JF Champollion, BP 1187, 31037 Toulouse Cedex, France Tel: 33 61 1950 50. Fax: 33 61 44 49 ~9'ENSEEIHT, 2 rue Camichel, 31

Parameter extraction for large signal noise models and simulation of noise in large signal circuits like mixers and oscillators Ulrich L. Rohde., Chao-Ren Chang, Jason Gerber and Raymond Pengelly Compoet Software, Inc., 483 Mclean Boulevard, Paterson, Nj, USA. 07054 * Also research professor at New Jersey Instituteof Technology, Dept. of Electrical Engineering. Abstract This paper shows how to

Optimization of active feedback for multicarrier applications M. Burgos-Garcia, F. Perez-Martinez Microwaves and Radar Group. SSR Department. Escuela Tecnica Superior de Ingenieros de Telecomunicacion. Universidad Politecnica de Madrid. Spain. linearized amplifiers Abstract A linearized amplifier is generally designed with the goal of reducing the two-tone intermodulation. In multicarrier system

Large-signal F. Filicori*, G. Vannini**, * Istituto di Ingegneria, Universita 21-44100 Ferrara, Italy. modelling of Dual-Gate GaAs MESFETs V.A. Monaco** di Ferrara, Via Scandiana Dipartimento di Elettronica, Informatica e Sistemistica, ** Universita di Bologna, Viole Risorgimento 2-40136 Bologna, Italy. Abstract A mathematical approach, which has been recently proposed for the nonlinear modell

Modelling of deviations between static and dynamic drain characteristics in GaAs FETs F.Filicori*,G. VanniniU, A. MediavillaU*, A. Tazon*U * Istituto di Ingegneria, Universito di Ferrara, Via Scandiana 21 44100 Ferrara, Italy. * * Dipartimento di Elettronica, Informatica e Sistemistica, Universito di Bologna, Viole Risorgimento 2.40136 Bologna, Italy. * * * Departamento de Electronica, Universidad

A new and reliable direct parasitic extraction for MESFETs and HEMTs Reza Tayrani, Jason E. Gerber, Tom Daniel, Rayrnond S. Pengelly, and Ulrich L. Rohde Compact Software, Inc. Paterson, NJ USA method Abstract A novel and accurate analytical direct extraction method for the determination of MESFET and HEMT parasitic elements is described. The technique differs from the commonly used "coldFET" te