基于DMPSK调制的直扩信号全数字解调算法研究  

Study on Full Digital Demodulation Algorithm of Direct Sequence Spread Spectrum Signal Based on DMPSK Modulation

作　　者：伍建辉[1] 王建超[1] 胡大绳[1] 

机构地区：[1]西安电子工程研究所,西安710100

出　　处：《火控雷达技术》2013年第2期50-54,共5页Fire Control Radar Technology

摘　　要：在数字通信系统中,DMPSK解调包括常用的DQPSK和DBPSK的两种方式,本文首先分析了DMPSK直扩中频全数字解调的基本原理及系统组成,然后对解调算法和载波同步算法进行了理论分析,最后通过仿真说明该算法的可行性。DMPSK demodulation includes two common patterns of DQPSK and DBPSK in digital communication system. Firstly, basic principle and system composition of DMPSK DSSS IF full digital demodulation system is analyzed; then demodulation algorithm and carrier synchronization algorithm are analyzed theoretically; and finally, the simulation results indicate feasibility of the algorithm.

关 键 词：直扩 DMPSK 解调 载波同步 

分 类 号：TN911.72[电子电信—通信与信息系统]