元鉴
元鉴
-
本文根据直接序列扩频码分多址(DS-CDMA)系统上行链路伪随机码跟踪的特点,给出并分析一种全数字非相干延迟锁相环(DLL),该DLL采用了二元鉴相和数字序贯滤波的实现结构。
A kind of full-digital non-coherent delay-locked loop ( DLL ) for up-link Pseudo Noise ( PN ) code tracking in DS-CDMA systems is proposed and analyzed . With a binary digital phase detector and a digital sequential filter this DLL achieves good tracking performance with low implementation complexity .
-
《四元玉鉴》卷首三图的代数意义
A study on significance of algebra in " three graphics " of the head for precious mirror of Si-Yuan Yu-Jian