Abstract: Interferometric radar technique with low-coherent illumination provides comparatively large range of measurement definition by interference fringes visibility maxima location. The problem is that the interference fringes are often distorted by noise of speckles. Noise influence can be decreased by new method based on Markov theory of stochastic processes. Interferometric data are assumed to be a realization of random series of phase-shifting samples of vector signal with known stochastic properties. The processing algorithm gives the optimal assessment of vector of interference signal parameters, including visibility maximum position, on each point of phase shifting by the recurrence procedure of data processing. !10
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