QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于锁相环和小波变换的PSK信号波特率估计

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Date of Publication:2012-01-25

Journal:通信学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:33

Issue:1

Page Number:96-101

ISSN No.:1000-436X

Key Words:相位同步;锁相环;小波变换;波特率估计

Abstract:提出一种改进的基于小波变换的波特率估计方法,使用基于锁相环技术的自适应相位跟踪方法实现相位同步并提取信号包络,通过获得基带信号的小波变换的幅值来估计信号的波特率.这种改进方法能够有效地解决经典的Chan氏算法中存在的估计效果受初相和噪声影响的问题.仿真结果表明,这种新方法有效并且与已有算法相比体现了其先进性.

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