Pulsar weak signal denoising based on improved wavelet spatial correlation filtering
SU Zhe，XU Lu-ping，WANG Yong，XIE Zhen-hua，LUO Nan
Journal of Systems Engineering and Electronics . 2010, (12): 2500 -2505 .  DOI: 10.3969/j.issn.1001-506X.2010.12.02