The Mueller matrix in radar polarimetric measurements

Two different operators are used in radar polarimetry: the first one relates the Stokes parameters of the scattered wave to those of the incident wave while the second one provides the expression of the power received by the radar, given the polarization characteristics of the receiving antenna. Some confusion exists in the literature between these two operators, and their properties of symmetry for the backscattering case. This paper is a plea for a clear distinction to be maintained, and for some agreement on denominations and notations.<
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