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Wide Band Polarimetric Interferometry for DEM Improvement and Retrieval of Vegetation Height
Wide Band Polarimetric Interferometry for DEM Improvement and Retrieval of Vegetation Height J. FOrtunyl, J. M. Lopez-Sanchezl, L. Sagues2, S. R. Cloude3, K. P. Papathanassiou3, W. Keyde14 1 Space Applications Institute, JRe, 21020 Ispra (Va), Italy E-mail: juan.1opez-sanchez@jrc.it 2 Universitat Polit~nica de Catalunya (UPC), Campus Nord, c/ Jordi Girona, 1-3,08034 Barcelona, Spain E-mail: sagues
PERIODIC AND QUASI-PERIODIC STRUCTURES FOR ANTENNA APPLICATIONS
PERIODIC AND QUASI-PERIODIC STRUCTURES FOR ANTENNA APPLICATIONS Dietmar Pilz* , Wolfgang Menzel Microwave Techniques, University ofUIm, PO Box, D-89069 UIm, Gennany (* now with DaimlerChryslerAerospace,D-89070 UIm, Gennany) E-mail: menzel@mwt.e-technik.uni-uIm.de Abstract - Printed periodic and quasi-periodic structures can be employed to control reflection and transmission properties of incident
WAVEGUIDE APPLICATION OF PERIODIC STRUCTURES
WAVEGUIDE APPLICATION OF PERIODIC STRUCTURES B. Lenoir, D. Baillargeat,S. Verdeyme,P. Guillon IRCOM, Faculte des Sciences, UMR CNRS 6615, 123 Avenue Albert Thomas, 87060 LIMOGES Cedex, France Abstract The main objective of this paper is to demonstrate that PBG structures can be used to conceive microwave devices. Theoretical analyses are performed applying the Finite Element Method to design vol
Circuit Applications of Uniplanar Compact PBG
Circuit Applications ofUniplanar Y ongxi Qian and Tatsuo Hoh Compact PBG Electrical Engineering Department University of California, Los Angeles 405 Hilgard Avenue, Los Angeles, CA 90095, USA Emai1: v'lian@uc1a.edu, titoh{@,uc1a.edu Abstract -This paper summarizes several novel two-dimensional periodic structures developed recently at the authors' group, with special emphasis on the uniplanar c
Analysis of Two-Dimensionally Periodic Structures: Graphical Methods and Physical Consequences
Analysis of 1\vo-Dimensionally Periodic Structures: Graphical Methods and Physical Consequences S.T. Peng, R. B. Hwang System Research Center, National Chaio- Tung University Microelectronics and information e-Mail: stpeng@cc.nctu.edu.tw Abstract - A rigorous analysis is presented for the guiding of waves by a two-dimensionally periodic impedance surfaces. Numerical results are obtained system
PERIODIC STRUCTURES AND PHOTONIC-BAND-GAP TERMINOLOGY: HISTORICAL PERSPECTIVES
PERIODIC STRUCTURES AND PHOTONIC-BAND-GAP TERMINOLOGY: HISTORICAL PERSPECTIVES Arthur A. 0 liner Department of Electrical Engineering Polytechnic University Brooklyn, NY, USA Abstract: This talk will summarize some or the major steps in the development or microwave periodic-structure theory, which has become highly developed and sophisticated over the years. The recent contributions made by the u
60GHz Millimeter- Wave Front-End for Indoor Wireless LAN
60GHz Millimeter- Wave Front-End for Indoor Wireless LAN Sang-Min Nam*, Jin-Hwa Ku, Yung-Kuen Oh, Woo-YongLee, Ki-Ho Kim Digital Communication LAB, Samsung Advanced Institute of Technology San 14, Nongseo-ri, Kiheung-eup, Yongin-city, Kyungki-do, Korea 440-600 Phone: +82-331-280-9223, Fax: +82-331-280-9207, E-mail: smnam@sait.samsung.co.kr Abstract -- In this paper, we present 60GHz Millimeterwav
Low Cost Ka Band Transceiver for Digital Radios
Low Cost Ka Band Transceiver for Digital Radios Danny Elad, A.P.S. Khanna, Irene Armenta, Jerry Quibuyen, Robert Pumares Wireless Semiconductor Division, Hewlett Packard, Santa Clara, CA. USA Abstract -The wireless revolution has created a number of new opportunities for microwave technology. Point to point radios have been used to connect cellular and PCN cell sites with the central switching sta
DDS based microwave synthesiser for high symbol rate digital radio application (Ku band case)
DDS based microwave synthesiser for high symbol rate digital radio application (Ku band case) J.P. Bozmarov V. Kassouras INTRACOM. S.A , Access and Transmission Dpt., 19.5 KIn Marcopoulou Ave. P.O. Box 68, 190 02 Peania - Attica, Greece e-mail: jboz@intracom.gr vkas@intracom.gr Abstract. In this paper a dual loop low phase noise microwave synthesiser at 13.3 GHz is represented using Direct Digita
A 5.2 GHz 3.3V SiGe RF Transmitter
A 5.2 GHz 3.3V SiGe RF Transmitter Jean-Olivier Plouchart, Herschel Ainspan, and Mehmet Soyuer IBM T.J. Watson Research Center P.O. BOX 218, Yorktown Heights, NY 10598 Tel: (914) 945-2607. Fax: (914) 945-1974 E-mail: p1ouchar(a)us.ibm.com Abstract - A 5.2 GHz RF transmitter using a 0.5-µm SiGe BiCMOS technology is designed and measured. The IC contains an up-conversion mixer, a poweramplifier dri