一个延时数字锁环

Z. M. Hussain, B. Boashash, M. Hassan-Ali, S. Al-Araji
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引用次数: 60

摘要

提出了一种采用恒定时延单元代替恒定90/spl /移相器的数字锁环(DTL),以降低实现的复杂性,并消除由90/spl /移相器引起的实际问题、近似和限制。延时数字锁环(TDTL)保留了传统锁环(CDTL)的大部分重要特征,并在适当选择电路参数的情况下对一阶锁环进行了改进。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A time-delay digital tanlock loop
A digital tanlock loop (DTL) that utilises a constant time-delay unit instead of the constant 90/spl deg/ phase-shifter is proposed to reduce the complexity of implementation and rid the circuit of the practical problems, approximations and limitations caused by the 90/spl deg/ phase-shifter. The time-delay digital tanlock loop (TDTL) preserves the most important features of the conventional DTL (CDTL) and introduces improvement over the first-order CDTL under suitable choice of the circuit parameters.
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