文件名称:
Carrier and Bit Synchronization
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文件大小: 1mb
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上传时间: 2014-03-13
详细说明： Carrier and Bit Synchronization in Data Communication 通信过程中最重要的就是同步，这是篇经典的论文 Absrmcr-This paper examines the problems of carrier phase estimation and symbol timing estimation for carrier-type synchronous digital data signals, with tutorial objectives foremost. Carrier phase recovery for suppressed-carrier versions of double sideband (DSB), vestigial sideband (VSB), and quadrature amplitude modulation (QAM) signal formats is considered first.T hen the problem of symbol timing recovery for a baseband pulse-amplitude modulation (PA M) signal is examined. Timing recovery circuits based on elementary statistical properties are discussed aws ell as timing recovery based onmaximum-likelihood estimation theory. A relatively simple approachto evaluation of timing recovery circuit performance in terms of rmsjitter of the timing parameters is presented. ...展开收缩
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