[1] Bosik B S.The spectral density of a coded Digital Signal[J].The Bell System Technical Journal,1972,52(4):921-932. [2] 张天骐,杨柳飞,代少升.等.直扩信号伪码周期及码片速率估计的自相关方法[J].航天电子对抗.2007,23(4):53-57. [3] 张天骐,周正中.基于空间分集的低信噪比直扩信号伪码元宽度检测的谱方法[J].信号处理,2001,17(增):37-40. [4] 张天骐,周正中.直扩信号伪码周期的谱检测[J].电波科学学报,2001,16(4):518-521. [5] 张天骐,周正中,郭宗祥.一种DS/SS信号PN码估计的神经网络方法[J].信号处理,2001,17(6):533-537. [6] Zhang Tianqi,Lin Xiaokang,Zhou Zhengzhong.Neural network approach to blind-estimation of PN sequence in lower SNR DS/SS signals[J].Journal of Systems Engineering and Electronics,2005,16(4):756-760. [7] 张天骐,周正中.直扩信号的谱检测和神经网络估计[J].系统工程与电子技术,2001,23(12):12-15.(Zhang Tianqi,Zhou Zhengzhong.Detection and estimation of DS/SS signals by spectra analysis and neural networks[J].Systems Engineering and Electronics,2001,23(12):12-15.) [8] 张天骐,张传武,林孝康,等.直扩信号伪码周期及序列的估计算法[J].系统工程与电子技术,2005,27(8):1365-1368.(Zhang Tianqi,Zhang Chuanwu,Lin Xiaokang,et al.Algorithm for period and sequence estimation of the PN code in DS-SS signals[J].Systems Engineering and Electronics,2005,27(8):1365-1368.) [9] 张天骐.周正中,邝育军,等.低信嗓比长伪码直扩信号伪码周期的估计方法[J].系统工程与电子技术,2007,29(1):12-16.(Zhang Tianqi,Zhou Zhengzhong,Kuang Yujun.New method for periodic estimation of the PN sequence in the lower SNR long code DS-SS signalsl,J].Systems Engineering and Electronics,2007,29(1):12-16.) [10] 张天骐,林孝康.窄带干扰环境下直扩信号伪码的盲估计方法研究[J].电子与信息学报,2005,27(10):1600-1604. |