相位连续频移键控相干解调载波的提取  

Carrier recovery for continuous phase frequency shift keying coherent detection

作　　者：严立中[1] 张正华[1] 

机构地区：[1]扬州大学信息工程学院,江苏扬州225009

出　　处：《国外电子测量技术》2005年第12期5-8,共4页Foreign Electronic Measurement Technology

摘　　要：介绍了相位连续频移键控系统相干解调原理,并重点推导了解调时所需同步载波的几种产生方法和电路结构,为通信系统提高抗噪性能提供了条件。The paper introduces the principles of continuous-phase frequency shift keying demodulation. The writer puts stress on the realizations of coherent for demodulation, as well as the constructions of circuit. It improves the resisting noise property of communication system.

关 键 词：MSK GMSK 相位变化 相干解调 载波提取 

分 类 号：TN929.533[电子电信—通信与信息系统] TN914.3[电子电信—信息与通信工程]