Dual polarized multilayer aperture-coupled patch antennas for spaceborne application in C- and X-band

Author

Rostan, F. ; Heidrich, E. ; Wiesbeck, W.

Author_Institution

Inst. fur Hochstfrequenztechnik und Elektronik, Karlsruhe Univ., Germany

Volume

1

fYear

1994

fDate

20-24 June 1994

Firstpage

476

Abstract

The paper discusses the element and subarray requirements and designs for advanced dual polarized future spaceborne SAR antennas using aperture-coupled microstrip patch elements. Special emphasis is given to achieve high polarization purity, low loss, good port-to-port isolation, high bandwidth and high aperture efficiency. Two design examples are shown for frequencies in C-band (5.3 GHz) and X-band (9.6 GHz) having a port-to-port-isolation of 25 dB and a polarization isolation better than 28 dB.<>

Keywords

active antenna arrays; antenna phased arrays; electromagnetic wave polarisation; microstrip antenna arrays; radar antennas; scanning antennas; spaceborne radar; synthetic aperture radar; 5.3 GHz; 9.6 GHz; C-band; SHF; X-band; active phased arrays; antenna design; aperture-coupled patch antennas; coupling effects; dual polarized multilayer antennas; element requirements; high aperture efficiency; high bandwidth; high polarization purity; low loss; microstrip patch elements; polarization isolation; port-to-port isolation; scanning antenna; spaceborne SAR antennas; spaceborne application; subarray requirements; Aperture antennas; Bandwidth; Feeds; Frequency; Microstrip antenna arrays; Microstrip antennas; Nonhomogeneous media; Patch antennas; Polarization; Substrates;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1994. AP-S. Digest

Conference_Location

Seattle, WA, USA

Print_ISBN

0-7803-2009-3

Type

conf

DOI

10.1109/APS.1994.407710

Filename

407710