Waveform Design for Improved Detection of Extended Targets in Sea Clutter

Linke Zhang, Na Wei, Xuhao Du

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Adaptive waveform design for cognitive radar in the case of extended target detection under compound-Gaussian (CG) sea clutter is addressed. Based on the CG characteristics of sea clutter, the texture component is employed to characterize the clutter ensemble during each closed-loop feedback and its estimation can be used for the next transmitted waveform design. The resulting waveform design problem is formulated according to the following optimization criterion: maximization of the output signal-to-interference-plus-noise ratio (SINR) for sea clutter suppression, and imposing a further constraint on sidelobes level of the waveform autocorrelation outputs for decreasing the false alarm rate. Numerical results demonstrate the effectiveness of this approach.

Original languageEnglish
JournalSensors (Basel, Switzerland)
Volume19
Issue number18
DOIs
Publication statusPublished - 13 Sep 2019

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