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电网技术  2006 

新型全数字锁相环的逻辑电路设计

, PP. 81-84

Keywords: 全数字锁相环,动态参数调节,同步,数字逻辑电路

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Abstract:

设计出一种新型全数字锁相环(enhancedphase-lockloop,EPLL)的逻辑电路。该电路基于轨迹跟踪原理实现与交流基波成分的同步,其锁相速度快,精度高。同时,为兼顾锁相速度和稳定性的设计要求,提出调节EPLL动态参数的新方法,获得具有优化结构的全数字锁相逻辑电路。锁相跟踪实验验证了该锁相环技术的性能,证实了其在提取和分析谐波方面的有效性。

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