调频体制载波跟踪技术研究
Journal of Spacecraft TT&C Technology(2010)
Abstract
编码和多符号检测技术在PCM/FM系统中的应用对载波精确跟踪提出了更高的要求。本文介绍了多符号检测原理,针对以往载波跟踪的不足,提出了一种把译码和跟踪结合起来进行载波跟踪的方法,给出了其跟踪原理框图,对其进行了理论推导,并对把这种方法应用于PCM/FM体制测速功能进行了设想。
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Key words
Range Rate,PCM/FM,Carrier Tracking,Multi-symbol
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