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本振相位噪声及其对GMSK解调性能的影响
Alternative TitleAnalysis of Local Oscillator Phase Noise and Its Effect On the Demodulation Performance of GMSK
周玉冰; 屈晨阳
Department空间技术部
Source Publication测控技术
2015
Volume34Issue:2Pages:62
ISSN1000-8829
Language中文
Keyword相位噪声 分形布朗运动 解调
AbstractGMSK调制方式在空间通信中的应用越来越受重视,本振相位噪声对GMSK解调具有不可忽略的影响。在分析相位噪声产生原理的基础上,推导了其时域和频域表达式,并对其进行了仿真验证。通过在GMSK的Simulink调制解调系统中加入相位噪声,仿真分析了不同程度的相位噪声对解调性能的影响。研究方法和结论可以推广到存在相位噪声的任意调制类型的解调系统,对解调系统的优化具有重要参考价值。
Other AbstractGMSK modulation plays an important role in space telecommunications. Local oscillator phase noise has significant influence on GMSK demodulation system. Some characteristics of phase noise and its math expressions on both time and frequency domains are analyzed. Furthermore, the simulated phase noise sequence is added to the GMSK modulation system to show how the different levels of phase noise affect the demodulation performance. The conclusions have deep reference value to optimize the GMSK demodulation system. This method to analyze phase noise and its effect can be extended to any modulation system.
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Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4724
Collection空间技术部
Recommended Citation
GB/T 7714
周玉冰,屈晨阳. 本振相位噪声及其对GMSK解调性能的影响[J]. 测控技术,2015,34(2):62.
APA 周玉冰,&屈晨阳.(2015).本振相位噪声及其对GMSK解调性能的影响.测控技术,34(2),62.
MLA 周玉冰,et al."本振相位噪声及其对GMSK解调性能的影响".测控技术 34.2(2015):62.
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