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Derivation of phase statistics from the Mueller matrixExperimental observations show a strong dependence of phase differences of scattering matrix elements on the physical parameters of random media. Here, the statistical behavior of the phase differences is studied for distributed targets. The pdfs of the phase differences are derived from the Mueller matrix of the target. In deriving the density functions, it is assumed that the real and imaginary parts of the copolarized and cross-polarized terms of the scattering matrix are jointly Gaussian and their covariance matrices are found in terms of the Mueller matrix elements. The functional forms of the copolarized and cross-polarized density functions are similar and are obtained independently. It is shown that the density function of the phase difference is completely determined in terms of only two parameters.
Document ID
19930028380
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sarabandi, K.
(Michigan Univ. Ann Arbor, United States)
Date Acquired
August 15, 2013
Publication Date
October 1, 1992
Publication Information
Publication: Radio Science
Volume: 27
Issue: 5
ISSN: 0048-6604
Subject Category
Communications And Radar
Accession Number
93A12377
Funding Number(s)
CONTRACT_GRANT: DAAL03-91-G-0202
CONTRACT_GRANT: NAGW-2151
Distribution Limits
Public
Copyright
Other

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