DocumentCode
1029706
Title
A method for detection of deformations in large phased array antennas for spaceborne synthetic aperture radars
Author
Li, F.K.
Author_Institution
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Volume
32
Issue
5
fYear
1984
fDate
5/1/1984 12:00:00 AM
Firstpage
512
Lastpage
517
Abstract
A method to measure deformations in large, planar phased array antennas used in spaceborne synthetic aperture radars (SAR) is described. This method has the advantages that the deformation measurements can be performed anywhere in orbit and that no additional sensor is required. Indirect test results using the SEASAT SAR data indicate that this technique can detect deformations of small fractions of a wavelength.
Keywords
Antenna mechanical factors; Phased arrays; Planar arrays; Satellite antennas; Antenna arrays; Antenna measurements; Aperture antennas; Extraterrestrial measurements; Phase detection; Phase measurement; Phased arrays; Radar detection; Spaceborne radar; Synthetic aperture radar;
fLanguage
English
Journal_Title
Antennas and Propagation, IEEE Transactions on
Publisher
ieee
ISSN
0018-926X
Type
jour
DOI
10.1109/TAP.1984.1143343
Filename
1143343
Link To Document