STATISTICAL PROPERTIES OF THE PHASE DIFFERENCE BETWEEN 2 ORTHOGONALLY POLARIZED SAR SIGNALS

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The theoretical behavior of two linearly polarized (VV and HH polarization states) radar backscattered fields is examined from a statistical point of view. The coherency between two polarized signals is studied in terms of their statistical behavior on the phase difference between two signals. The probability density function corresponding to the phase difference between two signals is derived and studied in terms of the degree of polarization and the variance of each polarized signal. The phase difference probability density function (pdf) is then considered with respect to the polarimetric SAR data collected over rugged terrain and ocean. It is found that the phase coherency between two co-polarized channels (VV and HH polarizations) strongly depends upon the degree of terrain roughness structure.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1991-01
Language
English
Article Type
Note
Citation

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, v.29, no.1, pp.182 - 184

ISSN
0196-2892
DOI
10.1109/36.103312
URI
http://hdl.handle.net/10203/66504
Appears in Collection
EE-Journal Papers(저널논문)
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