Non-Uniform Wavelets on Adapted Grids for Modelling Edge Singularities Gerald Oberschmidt and Arne F. Jacob Institut fur Hochfrequenztechnik, Technische Universitiit Braunschweig P.O. Box 3329, 38023 Braunschweig, FR Germany, Fax.: +49 531 391 5841, E-Mail: G.Oberschmidt-tu-bs.de.A.Jacob-tu-bs.de Ah8tmct-Moment method simulations of microwave planar circuits are more effective with optimum varidis

Time-domain microwave source problem transmission lines and the non-radiating Ari Sihvola,I,2 Gerhard Kristensson,2 and Ismo LindelP 1 Helsinki University of Technology, Electromagnetics Laboratory, FIN-020l5 HUT, Finland 2 Lund University, Department of Electromagnetic Theory, P.O. Box 118, S-22100 Lund, Sweden ABSTRACT The concept of non-radiating sources is introduced to transmission lines

MULTILEVEL FOR S-PARAMETER IMPROVEMENTS TO CONFORMAL FDTD EXTRACTION WITHIN IRREGULARLY SHAPED TRANSMISSION LINES Malgorzata Celuch-Marcysiak, Wojciech K.Gwarek Institute of Radioelectronics, Warsaw University of Technology, Nowowiejska 15/19,00-665 Warsaw, Poland. tel.: (48 22) 660 76 31, fax: (4822) 25 5248, e-mail: gosiac-ire.pw.edu.pl ABSTRACT Application of the FDTD method to S-parameter an

Demonstration of enhanced performance of HBT as photodetector L.E.M. de Barros Jr, P.R Herczfeld, A. Madjar+, Y. Betser+ and D. Ritter+ Center for MicrowavelLightwave Engineering Drexel University 32nd & Chestnut Streets, Philadelphia, P A 19104, USA + Technion Institute, Tel Aviv, Israel - A new HBT design (optical-HBT), intended for photonic applications is proposed and implemented. The

White- Light Impact on the Microwave Performance of a LightSensitive PHEMT Mikael Garcia, Lars Bengtsson, and Herbert Zirath Department of Microwave Technology Chalmers University of Technology S-41296 Gothenburg, Sweden ABSTRACT The white-light impact on the DC, RF, and noise performance of a commercially available GaAs PHEMT device has been studied. A significant drain current minimum was found

True Time Delay Scheme for Continuous Optical of Phased Array Antennas Employing Chirped Gratings J L Corral, J Marti, J Capmany, R.I. Laming*, M J Cole* ETSI Telecomunicacion, Universidad Politecnica de Valencia Cami de Vera sin, 46071, Valencia (Spain) Tel:+346 2849300, Fax:+34 6 2849313, E-mail: jlcorral-upv.es Control Fiber .Optoelectronic ABSTRACT Research Centre (Southampton Univ, Southh

A New Approach for the Optical Feed of Radio Nodes Utilizing a Microchip Solid State Laser Amarildo J. C. Vieira"', Peter R. Herczfeld'" ,Tibor Bercelit, and Vincent M. Contarino§ '" Center for Microwave-Lightwave Engineering, Drexel University 32nd & Chestnut Sts., Philadelphia, PA 19104, USA t Technical University of Budapest 1111 Budapest, Goldmann Gyorgy ter 3, Hungary § Naval Air Warfare Cent

Utilization of Mach-Zehnder Modulators to Generate Fourth Harmonic Microwave Frequencies - Theory and Experiment AU Motamedi and Ruediger Vahldieck* Laboratory for Lightwave Electronics, Microwaves and Communications (LLiMiC) Department of Electrical and Computer Engineering, University of Victoria P.O. Box 3055, Victoria, B.C., Canada V8W 3P6 *Swiss Federal Institute of Technology, ETH Zuerich La

OPTIMIZATION OF MICROWAVE RECEIVERS FOR SUPRESSION OF SINGLE TONE SPURIOUS INTERFERENCE U. MAHLAB, Center for Technological J. GAVAN education Holon, Israel 1. Abstract: single-Tone Spurious (STS interference including the receiver image frequency are one of the principal causes of disturbances in Microwave (MW) Radio systems due to their high probability of occurance. This paper presents an ana

A ROBUST ADAPTIVE BEAMFORMER BASED ON AN ITERATIVE SUBSPACE PROJECTION WITH CONJUGATE GRADIENT METHOD DanielSegoviaVargas.ManuelSierraPerez-, .Grupode Radiacion;Dpto. de Sefiales,Sistemasy Radiocomunicaciones. E.r.S.I.Te/ecomunicacion, UniversidadPolitecnicade Madrid. Ciudad Universitariasn, 28040Madrid, V(1)5495700(ext 397), (1)3367360,fax 5432002 danie/-gr.ssr.upm.es; an%-gr.ssr.upm.es m ABSTRA