A novel feed system for soil moisture spaceborne radar: dual-frequency dual-polarized stacked patch microstrip array

Author

Kona, Keerti S. ; Manteghi, Majid ; Rahmat-Samii, Yahya

Author_Institution

Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA

Volume

4

fYear

2004

fDate

20-25 June 2004

Firstpage

4368

Abstract

This paper describes the development and performance of a dual-frequency and dual-linear polarization microstrip antenna to be used in a synthetic aperture radar (SAR) for remote-sensing applications. The synthetic aperture radar (SAR) UHF/VHF design is used to deliver data for estimation of soil moisture. Two operating frequencies of 137.5 MHz and 435 MHz have been chosen to separate the effects of vegetation and soil and polarimetry at each frequency is needed to sufficiently characterize vegetation and soil. The planned parabolic reflector antenna has two different antenna widths of 30 m by 2.8 m at UHF and 30 m by 11 m at VHF by subilluminating a 30 m parabolic reflector antenna with a dual-frequency stacked microstrip array feed.

Keywords

UHF antennas; VHF antennas; microstrip antenna arrays; moisture measurement; multifrequency antennas; polarisation; radar antennas; radar polarimetry; reflector antenna feeds; remote sensing by radar; soil; synthetic aperture radar; 137.5 MHz; 435 MHz; SAR; UHF/VHF design; dual-frequency microstrip antenna; dual-frequency stacked microstrip array feed; dual-linear polarization microstrip antenna; parabolic reflector antenna; polarimetry; remote sensing; soil moisture estimation; synthetic aperture radar; Antenna feeds; Frequency; Microstrip antenna arrays; Microstrip antennas; Reflector antennas; Soil moisture; Spaceborne radar; Synthetic aperture radar; UHF antennas; Vegetation;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2004. IEEE

Print_ISBN

0-7803-8302-8

Type

conf

DOI

10.1109/APS.2004.1330319

Filename

1330319