Scanning properties of faceted reflectarrays

Author

Rengarajan, Sembiam R.

Author_Institution

Dept. of Electr. & Comput. Eng., California State Univ., Northridge, CA, USA

fYear

2012

fDate

8-14 July 2012

Firstpage

1

Lastpage

2

Abstract

Scanning properties of fully planar reflectarrays and piecewise planar parabolic reflectarrays (PPP) have been investigated. A few beamwidths of scan may be produced by lateral displacement of the feed for reflectarrays designed for a centered feed except for the case of tilted PPP reflectarrays. The excessive scan loss incurred in the tilted PPP reflectarray is studied in this paper. PPP reflectarrays employed in space based radar interferometric systems to produce nadir looking dual-polarized dual-beams may be designed using rectangular patches without requiring beam scan.

Keywords

antenna feeds; planar antenna arrays; radar antennas; radar interferometry; reflectarray antennas; antenna feed; faceted reflectarray scanning property; fully planar reflectarrays; lateral displacement; nadir looking dual-polarized dual-beams; piecewise planar parabolic reflectarrays; rectangular patches; space based radar interferometric systems; tilted PPP reflectarrays; Apertures; Bandwidth; Feeds; Gain; Microstrip; Reflector antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE

Conference_Location

Chicago, IL

ISSN

1522-3965

Print_ISBN

978-1-4673-0461-0

Type

conf

DOI

10.1109/APS.2012.6348949

Filename

6348949