Title :
Adaptive HF interference cancellation for sky wave over-the-horizon radar
Author :
Su, Hong-Tao ; Liu, Hongying ; Shui, Peng-Lang ; Bao, Zhen
Author_Institution :
Nat. Key Lab. of Radar Signal Process., Xidian Univ., Xi´an, China
Abstract :
A computationally efficient adaptive beamforming algorithm for high-frequency (HF) sky wave over-the-horizon radar to suppress the spatially nonstationary HF interference while preserving the temporal coherence of the clutter echoes is proposed. The proposed algorithm is based on the generalised sidelobe canceller structure with constraint on the time-varying weight vectors. Experimental data-processing results show the effectiveness of the algorithm.
Keywords :
Doppler radar; array signal processing; interference suppression; radar clutter; adaptive HF interference cancellation; adaptive beamforming; clutter echoes; data-processing; generalised sidelobe canceller structure; high-frequency radar; sky wave over-the-horizon radar; temporal coherence; time-varying weight vectors;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2010.2821
