Abstract

We derive the statistics for the multilook intensity ratio for a multilayered medium bounded by randomly rough surfaces. Calculations are carried out in the context of the first-order small perturbation method and assume slightly rough surfaces of infinite extent and centered Gaussian height distributions. We show that the probability distributions for the co- and cross-polarized intensity ratios for ${n}$ -look data are functions of three parameters and that the mean exists for $n\gt 1$ and the variance for $n\gt 2$ . The obtained theoretical expressions are verified by comparison with the Monte Carlo results.

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