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Adaptive HF interference cancellation for sky wave over-the-horizon radar

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4 Author(s)
Su, H.-T. ; Nat. Key Lab. of Radar Signal Process., Xidian Univ., Xi'an, China ; Liu, H. ; Shui, P. ; Bao, Z.

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.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 1 )