Knowledge Centre
Find a document written by the best international scientists in our secure database.
24776 documents found.
PRECISE 3-D OBJECT POSITION TRACKING USING FMCW RADAR
PRECISE 3-D OBJECT POSITION TRACKING USING FMCW RADAR M. Vossiek, R. Roskosch, P. Heide SIEMENS AG - Corporate Technology, Dept. ZT MS 1, D-81730 Munich / Germany E-mail: martin.vossiek@mchp.siemens.de ABSTRACT - This paper presents a FMCW radar system for high precision three-dimensional object position tracking. Theoretical analyses of the 3-D triangulation concept and the accuracy limits are g
A NOVEL OPTICAL CELLULAR MILLIMETER WAVE RADIO SYSTEM
A NOVEL OPTICAL CELLULAR MILLIMETER WAVE RADIO SYSTEM T. Berceli, G. Jar-e, T. Marozsak, S. Mihaly, E. Udvary, Z. Varga, A. Zelomy Technical University of Budapest, Department of Microwave Communications H-1111 Budapest, Goldmann Gyorgy-ter 3, Hungary, Tel.: (36)-1-463-4142, Fax: (36)-1-463-3289 e-mail: berceli@mhtbme.hu WWW: http://www.mht.bme.hJoerceli Abstract - A novel optical cellular mill
MSM Photodiode-Based Highly Accurate 3D Laser Impulse Radar
MSM Photodiode-Based Highly Accurate 3D Laser Impulse Radar Djebari, Giinter Kompa Mustapha FG Hochfrequenztechnik, University of Kassel, Germany D-34121 Kassel, Wilhelmshoher Allee 73 E-mail: musta@hfm.e-technik.uni-kasse1.de ABSTRACT - Based on the recently developed modulation scheme of highly dynamic and strong carrier injection into the active zone of a singleheterostructure (SH) laserdio
A 2 to 18GHz Monolithic Resistive Distributed Mixer
A 2 to 18GHz Monolithic Resistive Distributed Mixer K. S. Ang, S. Nam and I. D. Robertson Microwave and Systems Research Group Department of Electronic and Electrical Engineering University of Surrey Guildford, Surrey GU2 5XH, UK Tel: + 44 1483259866 Fax: + 44 1483876081 E-mail: k.ang@ee.surrey.ac.uk Abstract - The concept of resistive mixing is applied to the distributed mixer, providing both wi
Low-Power Receiver MMIC for DECT
Low-Power Receiver MMIC for DECT Jakub J. Kucera and Urs Lott ETH ZUrich, Lab. for EM Fields and Microwave Electronics, Gloriastr.35, CH-8092 ZUrich, Switzerland; FAX +41 1 632 11 98; Tel +411 6325551 Email: kucera@ith.ee.ethz.ch Abstract A fully integrated receiver for the DECT (Digital Enhanced Cordless Telephone) system consisting of a SPST switch, a low noise amplifier, a resistive mixer, and
HIGH-ORDER LOW-NOISE MICROWAVE ACTIVE RECURSIVE FILTERS
IDGH-ORDER LOW-NOISE MICROWAVE ACTIVE RECURSIVE FILTERS H.EZZEDINE - W.MOUZANNAR -L. BILLONNET - B. JARRY - P. GUILLON I.R.C.O.M.- Universitede Limoges, 123,AvenueAlbert Thomas - 87060 Limoges Cedex - FRANCE EMail: ezedime@ircom.unilim.fr Abstract - In this article, we present a three-pole lownoise microwave active recursive filter obtained by a cascade association of three first-order recursiv
1.5dB Noise Figure Ka-Band Low Noise Monolithic Amplifier using O.15um T-gate Pseudomorphic Heterojunction FET's
1.5dB Noise Figure Ka-Band Low Noise Monolithic Amplifier using O.15um T-gate Pseudomorphic Heterojunction FET's K.Takahashi, K.Maruhashi*, H.Negishi, T.Eda," and H.Tsutsui ULSI Device Development Laboratories, NEC Corporation *Kansai Electronics Research Laboratories, NEC Corporation "C&C LSI Development Division, NEC Corporation 2-9-1, Seiran, Otsu, Shiga, 520-0833, Japan Abstract - Ka-band
Some Investigations of a Novel Type of mm- Wave Frequency Divider
Some Investigations of a Novel Type of mm- Wave Frequency Divider Patrick Schuh, Wolfgang Menzel Microwave Techniques, University of VIm . D-89069 illm, Germany E-mail: patrick@mwt.e-technik.uni-ulm.de, wolfgang.menzel@ieee.org http://mwt.e-technik.uni-ulm.de/mwt.php3 Abstract - A new concept for mm-wave frequency dividers with higher division ratio based on a harmonic mixer and a PLL circuit is
Chaotic J -band Generator for Radar and Microwave Communication Systems
Chaotic J -band Generator for Radar and Microwave Communication Systems. M.I. Sobhy and A.R Shehata The Electronic Engineering Laboratory The University of Kent at Canterbury Canterbury, Kent, CT2 7NT UK Fax +44 227 456084 Telephone +44 227 823236 email M.I.Sobhy@ukc.ac.uk Abstract -Aprocedurefor analysingand designing microwavechaotic generators is described. The generators are based on frequ
W-Band HEMT-Oscillator with Stabilization by Phase Controlled Subharmonic Injection Locking
W-Band HEMT-Oscillator with Stabilization by Phase Controlled Subharmonic Injection Locking s. Kudszus, W. H. Haydl, M. Neumann, A. HUlsmann Fraunhofer Institute for Applied Solid State Physics (IAF), Tullastr. 72, D-79108 Freiburg, Germany eMail: kudszus@iaf.fhg.de Abstract - A coplanar subharmonic injection locked W-band HEMT VCO with an integrated varactor diode and buffer amplifier was develo