基于四阶累积量的DSSS/QPSK信号检测方法研究
赵知劲, 邬 佳, 徐春云, 张 
The Study on the Detection Methods of DSSS/QPSK Signal Based on the Fourth-Order Cumulants
ZHAO Zhi-jin, WU Jia, XU Chun-yun, ZHANG Xun
电子学报 . 2007, (6): 1046 -1049 .