DocumentCode
280982
Title
Detection of sea surface features by coherent radar
Author
Tough, R.J.A. ; Ward, K.D.
Author_Institution
RSRE Malvern, UK
fYear
1990
fDate
33225
Firstpage
42552
Lastpage
42557
Abstract
To measure surface currents on the sea a synthetic aperture radar (i.e. a moving radar with high resolution) is operated with two receive antennas, thus providing two temporally separated coherent radar images. The phase difference between pixels in the pair of images is interpreted as being proportional to the velocity of the sea at the pixel position. It is of interest to relate this technique to the Doppler power spectrum of the sea backscatter and to assess the effect of spectral shape on the velocity estimate distribution. The authors analyse this problem and indicate the parametric dependence of the results on the antenna separation
Keywords
backscatter; interferometry; ocean waves; oceanographic techniques; radar systems; remote sensing by radar; spectral analysis; Doppler power spectrum; SAR; antenna separation; coherent radar images; interferometric methods; phase difference; pixel position; receive antennas; remote sensing; sea backscatter; sea surface current measurement; synthetic aperture radar;
fLanguage
English
Publisher
iet
Conference_Titel
Monitoring the Sea, IEE Colloquium on
Conference_Location
London
Type
conf
Filename
191472
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