摘要
对直接序列扩频信号的PN码盲估计方法进行了深入分析,重点介绍了基于信号特征分析估计方法、基于特征多项式估计方法和基于相关运算估计方法,介绍了各种方法的来源、理论基础和发展历程,分析了各自的优缺点,提出了直扩信号PN码盲估计研究领域的进一步发展方向。
The method of PN code blind estimation for direct sequence spread spectrum（ DS-SS） signal were analyzed. Three kinds of PN code blind estimation method for DS-SS signal were introduced,including the method based on eigen analysis of signal,the method based on characteristic polynomials of PN code and the method based on correlation operation. Based on the brief introduction of each algorithm＇s source,theoretical foundation and development process,the advantages and disadvantages of these algorithms are compared,and the development direction of PN code blind estimation research for DS-SS signal is also forecast.
出处
《兵器装备工程学报》
CAS
2017年第8期140-146,共7页
Journal of Ordnance Equipment Engineering
关键词
直扩信号
PN码
盲估计
特征分析
direct sequence spread spectrum signal
PN code
blind estimation
eigen analysis
