A physical model for high resolution radar sea clutter

Sea clutter intensity for high-resolution imaging radars is known to deviate from the classical exponential probability distribution which is observed at low resolution. We use a physical description of sea clutter based on the Two-Scale Model to obtain a relevant expression of the clutter distribut...

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Bibliographic Details
Main Authors: Schreiber, Floriane Madeleine, Angelliaume, Sebastien, Guerin, Charles-Antoine
Format: Conference Proceeding
Language:English
Subjects:
high resolution
radar image
Sea clutter
Online Access:Request full text
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Summary:Sea clutter intensity for high-resolution imaging radars is known to deviate from the classical exponential probability distribution which is observed at low resolution. We use a physical description of sea clutter based on the Two-Scale Model to obtain a relevant expression of the clutter distribution at high-resolution. We test this model with a set of airborne SAR data and show that it provides excellent fits of the intensity distribution in the two polarizations with only one parameter, which is interpreted as a surface mean square slope and is sea state dependent.
ISSN:2640-7736
DOI:10.1109/RADAR41533.2019.171408