Single-transmission polarization signal extractor
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United States of America Patent
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Jul 18, 1989
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N/A
app pub date -
Dec 12, 1983
filing date -
Dec 12, 1983
priority date (Note) -
Expired
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Abstract
An apparatus and method for detecting the polarization signature of radar signals reflected from a target immersed in clutter. The signal to be transmitted is split into individual horizontal, vertical, and 45.degree. polarized signals that are individually frequency shifted, and transmitted simultaneously. The reflected signals are processed in individual horizontal, vertical and 45.degree. channels so as to derive Stokes vectors corresponding to each polarization and describing the scattered field associated with that polarization. The signals representing the Stokes vectors are applied to a matrix computer which provides signals representative of a Mueller matrix which describes how the transmitted signal was transformed by the target and thus constitutes the polarization signature of that target.
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