摘要
介绍了相位产生载波(phase generated carrier)零差检测技术的基本原理,以及采用DSP对PGC信号进行数字化处理的方案的研究.阐述了PGC检测系统数字化的必要性,方便了系统的调试,并解决了模拟器件温度漂移的问题,在实际过程中对该系统进行了可行性测试,结果表明,此系统基本上达到了预期的目标.
The basic theory of Phase-Generated-Carrier and the homodyne detection technology, and the research of PGC signal digitalization process are expatiated.The necessity of digitalization in signal detection system for facilitating the debugging of system and solving the problems of temperature-shifting is expounded.Furthermore,feasibility test of the PGC digitalization system is performed.
出处
《应用科技》
CAS
2005年第3期9-10,共2页
Applied Science and Technology
关键词
PGC
零差检测
DSP
检测系统数字化
PGC
homodyne detection technology
DSP
digitalization in signal detection
