Double-passage recovery of an object embedded in a random medium.
Double passage of electromagnetic radiation in a finite random medium in the presence of an object is discussed in the limit of Gaussian statistics and the parabolic approximation. It is shown that the mutual coherence function contains the Fourier-transform information of the object's reflectivity function. It is further demonstrated that the Fourier transforms appearing in the mutual coherence function are closely related to the P-matrix transformed ambiguity functions familiar in radar theory.
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