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一个数字信号可以用方波信号形式来表示,并利用富里哀级数分析,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.
A digital signal can be expressed in the form of a square wave signal, and the use of Fourier analysis of the number of stages to clarify the close relationship between digital signals and periodic sinusoidal signals. Based on this digital circuit design of some analog circuits.In this paper, And based on the analysis of the design of digital in phase quadrature phase locked loop (that is, the number of Cosostos rings) is one example.