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Methods for Improving the Accuracies of Quasi-synchronous Sampling Harmonics Analysis

Dai,Xian-zhong (Dpet.of Automatic Control Eng.,Southeast Univ.)  
In this paper,two methods for improving the accuracies of the quasi-synchronous sampling harmonics analysis are proposed.Using the new formulas,the measuring accuracies for harmonic components of periodic sign-als,especiaUy for the components with small amplitude,can be much impro-ved.The error estimation of the quasi-synchronous sampling harmonics anal-ysis and the method used for measuring the subharmonics of periodic signalsare also discussed.
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