1 October 1990 Determination of the characteristic polarization states of the target scattering matrix [S(AB)] for the coherent, monostatic, and reciprocal propagation space
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Abstract
A problem originating in radar polarimetry is considered for which the radar target is to be characterized by its coherent polarization state properties, given complete coherent backscattering scattering matrix data sets at one frequency and for one target aspect angle. For the monostatic reciprocal case, it is shown that there exist in total five pairs of characteristic polarization states. These include the orthogonal cross-polarization null and copolarization maximum state pairs and the orthogonal cross polarization maximum state pairs, as well as a newly identified pair, the orthogonal cross-polarization saddle point extrema which are normal to the plane spanned by the other four pairs. With this complete and unique mathematical description of Huynen's polarization fork concept, it is now possible to study the polarimetric radar target optimization problem more rigorously.
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An-Qing Xi, An-Qing Xi, Wolfgang-Martin Boerner, Wolfgang-Martin Boerner, } "Determination of the characteristic polarization states of the target scattering matrix [S(AB)] for the coherent, monostatic, and reciprocal propagation space", Proc. SPIE 1317, Polarimetry: Radar, Infrared, Visible, Ultraviolet, and X-Ray, (1 October 1990); doi: 10.1117/12.22053; https://doi.org/10.1117/12.22053
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