The design and performance analysis of the M-ary spread spectrum system  based on the quasi-orthogonal multi-PN code
XIONG Hai-liang;XIAO Zhu;CAI Cheng-lin;TIAN Hong-xin;YI Ke-chu
J4 . 2010, (1): 80 -85 .  DOI: 10.3969/j.issn.1001-2400.2010.01.014