Representation of radar sea clutter
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Sea clutter data obtained with a land-based X-band radar are analysed in terms of a correlated gamma-distributed noise model. Results obtained with both vertical-vertical and horizontal–horizontal transmit-receive polarisations are shown to be broadly compatible with the model. As a test of the assumptions inherent to the model, we next simulate textures having the same autocorrelation function as the original image data. General agreement is again observed; discrepancies can be ascribed to specific failures of the assumptions.
