Characteristic Impedance Deembeding of Printed Lines with the Probe-Tips Calibrations Janusz Grzyb, Gerhard Tröster Electronics Labs, ETH Zurich, 8041, Switzerland, jankiel-ife.ee.ethz.ch The procedures allowing determination of the microstrip and CPW lines characteristic impedance are presented. The procedures are based on the measurement technique of two on-wafer line standards as presented by C

Attenuator with Small Phase Shift for Ultra-Wideband Pulse Subsurface Geo-Radar O.V. Stoukatch*, Senior Member, IEEE, and L.P. Ligthart**, Fellow, IEEE Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, 634034, Russia, E-Mail: ird-tusur.ru ** International Research Centre for Telecommunications and Radar, Delft University of Technology Mekelweg 4, 2628 CD Delft, the Netherlands * Abstract. The

Measurement of Direction of Arrival for Radar Application Beatriz Amante Garcia, David Kerneves, Bernard Huyart Ecole Nationale Supérieure des Télécommunications , URA CNRS 820, 46 rue Barrault, 75634 Paris Cedex 13 amante-com.enst.fr ABSTRACT: This paper presents theoretical and experimental results of a RF direct technique to determine the directions of arrival (DOA) of multiple radio frequency

Reducing Cross-Target Products in Thinned Antenna Arrays using Nonlinear Processing Leif C. Stange, Carsten Metz*, Arne F. Jacob Institut für Hochfrequenztechnik, Technische Universität Braunschweig, Germany * Bell Laboratories, Lucent Technologies, Murray Hill, NJ, USA Antenna array thinning by nonlinear multiplicative processing of subarray signals is highly efficient. It allows thinning rates o

A calibration method for polarimetric radar surveillance in a multipath sea environment. E.G.Pusone, P. van Genderen, L.P.Ligthart, and J.S van Sinttruijen IRCTR/TU DELFT, MEKELWEG 4, P.O. BOX 5031, 2600 GA DELFT(NL) Phone +31 15 2781046; Fax +31 15 2784046; E-mail: e.pusone-its.tudelft.nl The scope of this work is to describe a novel method of calibration for polarimetric radar surveillance in

Time-domain windowing for subsurface inversion R. F. Bloemenkamp, P. M. van den Berg Applied Geophysics and Petrophysics, Delft University of Technology, Mijnbouwstraat 120, 2628 RX Delft, the Netherlands, E-mail: r.f.bloemenkamp-its.tudelft.nl Laboratory of Electromagnetic Research, Delft University of Technology, P.O. Box 5031, 2600 GA Delft, the Netherlands, E-mail: p.m.vandenberg-its.tudelft

Dielectric Resonator Based on Artificial Dielectrics and its Application to a Microwave BPF Ikuo Awai, Hiroshi Kubo, Hiroki Kohno, Tsunenori Iribe, Atsushi Sanada Yamaguchi University 2-16-1 Tokiwadai, Ube 755-8611 Japan Abstract We propose an evaluation procedure of arificial dielectrics and a disk resonator of novel structure. The permittivity can be calculated by using a commercial software and

Theoretical Study on Square Ceramic Resonator Loaded NRD Guide Band-Pass Filters at 60GHz Futoshi KUROKI, Satoshi SONOO, Motofumi YAMAGUCHI, Yasujirou MINAMITANI*, and Tsukasa YONEYAMA** Department of Electrical Engineering, Kure National College of Technology, 2-2-11 Aga-Minami, Kure 737-8506, Japan *Microwave Division, New Japan Radio Co., LTD., 2-1-1 Fukuoka, Kami-Fukuoka 356-8510, Japan **Dep

Design of Asymmetrical Coupled-HNRD-Guide Directional Couplers M. Kishihara, K. Yamane, T. Kawai*, I. Ohta* Okayama Prefectural University, 111 Kuboki, Soja, Okayama, Japan, kisihara-c.oka-pu.ac.jp * Himeji Institute of Technology, 2167 Shosha, Himeji, Hyogo, 671-2201, Japan Directional couplers with flat coupling are designed by using an asymmetrical coupled-HNRD-guide consisting of two HNRD guid

Effect of Relative Dielectric Permittivity in Quasi-Planar Filters S. Llorente-Romano, M. Salazar-Palma Grupo de Microondas y Radar, Dpto. SSR, Universidad Politécnica de Madrid ETSI Telecomunicación, Ciudad Universitaria s/n, 28040 Madrid, Spain Tel: 34­91­336­7358, e-mail: llorente-ieee.org A comparison between all metal inserts E-plane filters and finline filters with different substrates is pr