数据同步数字锁相环的分析
The Analysis of Digital Phase-Locked Loop for Data Synchronization
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摘要: 一个数字信号可以用方波信号形式来表示,并利用富里衰级数分析,阐明数字信号与周期 正弦信号之间的密切联系.在此基础上实现某些模拟电路的数字化电路设计.本文在实验和 分析基础上设计数字同相正交锁相环(即数字考斯托斯环)就是一例.Abstract: A digital signal may be expressed by the square wave. The mathematical analysis that makes use of Fourier Series is used to show the relationship between the .digital signal and the sine wave signal. On the ground of this, the design for some digitizing analogue circuits. has been implemented. For example, in the paper, the digitizing in-phase quadrature locked loop (i.e., digital Costas loop) has been designed on the basis of experiment and analysis.
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