Title :
Sea Clutter Mitigation Using Resonance-Based Signal Decomposition
Author :
Si Tran Nguyen Nguyen ; Al-Ashwal, Waddah A.
Author_Institution :
Adelaide Radar Res. Centre, Univ. of Adelaide, Adelaide, SA, Australia
Abstract :
A sea clutter mitigation method based on sparse optimization is proposed and tested with real radar data collected using a 2.425-GHz netted radar system developed at University College London, London, U.K. The proposed method was able to separate the target returns from the sea clutter returns, thus increasing the signal-to-interference ratio. It is shown that the extracted signal had a lower false alarm rate compared to the original signal.
Keywords :
interference (signal); marine radar; optimisation; radar signal processing; University College London, U.K; radar data; sea clutter mitigation method; signal decomposition; signal extraction; signal-to-interference ratio; sparse optimization; Clutter; Doppler effect; Q-factor; Radar clutter; Time series analysis; Transforms; Clutter mitigation; radar; rational wavelet transform; resonance decomposition; sparse representation;
Journal_Title :
Geoscience and Remote Sensing Letters, IEEE
DOI :
10.1109/LGRS.2015.2464807
