Design considerations for aperture-coupled microstrip patch phased arrays taking into account mutual coupling effects

Author

Rostan, F. ; Wiesbeck, Werner

Author_Institution

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

Volume

1

fYear

1997

fDate

14-17 Apr 1997

Firstpage

237

Abstract

High resolution imaging radar systems for spaceborne remote sensing applications require large phased array antennas with a wide bandwidth. Aperture-coupled microstrip patch elements are well suited for this application. The paper discusses the design and performance of a 96×128 element broadband aperture-coupled microstrip patch phased array antenna. A finite as well as an infinite array approach are used to account for mutual coupling effects on the active reflection coefficients as well as on the active radiation patterns. The influence of the subarray size on the scan performance is addressed. Finally the measured performance of an 8×8 element phased array antenna breadboard is presented

Keywords

remote sensing by radar; active radiation patterns; active reflection coefficient; antenna breadboard; aperture-coupled microstrip patch phased arrays; design; finite array approach; high resolution imaging radar systems; infinite array approach; large phased array antennas; mutual coupling effects; performance; scan performance; spaceborne remote sensing; subarray size;

fLanguage

English

Publisher

iet

Conference_Titel

Antennas and Propagation, Tenth International Conference on (Conf. Publ. No. 436)

Conference_Location

Edinburgh

ISSN

0537-9989

Print_ISBN

0-85296-686-5

Type

conf

DOI

10.1049/cp:19970246

Filename

608561