用瞬时测频法实现PCM/DPSK遥测信号的软件解调  

Software Demodulate PCM/DPSK Signal by Instantaneous Frequency Measurement

作　　者：冯春燕[1] 袁嗣杰[1] 

机构地区：[1]装备指挥技术学院,北京101416

出　　处：《现代电子技术》2004年第12期70-71,74,共3页Modern Electronics Technique

摘　　要：根据 PCM/DPSK遥测信号的特点 ,介绍了一种通过数字信号瞬时测频实现 PCM/DPSK遥测信号的软件解调的方法。该方法处理速度快、误码率低 ,能够有效地抑制多普勒频率对解调的影响 ,便于软件编程实现。This paper presents a new algorithm used to demodulate PCM/DPSK telemetry signal by digital instantaneous frequency measurement This algorithm has high efficiency and low error code ratio It restrain Doppler frequency and can be realized by software conveniently The flow chart and result of the algorithm are also given

关 键 词：PCM/DPSK 解调 瞬时测频 多普勒频率 

分 类 号：TN912[电子电信—通信与信息系统]