Single-transmission polarization signal extractor

Details Single-transmission polarization signal extractor Single-transmission polarization signal extractor

1983-12-12

1989-07-18

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

With polarization

342192, G01S 742, G01S 744

Patent

active

048497622

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.

REFERENCES:
patent: 4005414 (1977-01-01), Goggins, Jr.
patent: 4323898 (1982-04-01), Barnes et al.
patent: 4472717 (1984-09-01), Eaves et al.

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