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Statistical Analysis of a High-Resolution Sea-Clutter Database

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4 Author(s)
Javier Carretero-Moya ; Microwave and Radar Research Group, Department of Signals, Systems, and Radiocommunications, Universidad Politécnica de Madrid, Ciudad Universitaria, Madrid, Spain ; Javier Gismero-Menoyo ; Álvaro Blanco-del-Campo ; Alberto Asensio-Lopez

This paper presents the statistical analysis of an experimental high-resolution sea-clutter database, collected with a high-resolution Ka-band radar at the south coast of Spain. The main motivation of this paper has been to check the validity of the available theoretical models for high-resolution sea-clutter against data corresponding to a range resolution of centimeters. The overall amplitude probability density function (pdf), the compatibility with a compound representation, and the average spectral behavior of the data are analyzed in detail. Results clearly show the suitability of the compound Gaussian model and, more precisely, that the empirical pdf is well modeled by the generalized K distribution with log-normal texture. A close agreement has also been found between the estimated clutter spectral density and a power-law model.

Published in:

IEEE Transactions on Geoscience and Remote Sensing  (Volume:48 ,  Issue: 4 )