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The definition of the radar objects polarization remoteness introduces the notion of polarization contrast in connection with the possibility of radar object discrimination of the radar's polarization properties. The direct use of the distance between two radar objects represented on the radar object complex plane (i.e. Euclidean metric) prevents the establishment of an acceptable measurement of these object polarization property distinctions. In this paper, the author considers the notion of radar object polarization state proximity by presenting a full description of the polarization properties using the specific invariant parameter, termed as the "complex degree of the polarization anisotropy" (CDPA). Using this algorithm, the CDPA notion allows the presentation of the object's complex plane polarization properties.