Study on fast quasi-synchronous sampling algorithm

被引：0
|
作者：
Xu, HL [1 ]
Yuan, XF [1 ]
Chen, SH [1 ]
Zhou, ZJ [1 ]
机构：
[1] Xian Hightech Inst, Xian 710025, Peoples R China
来源：
ISTM/2005: 6th International Symposium on Test and Measurement, Vols 1-9, Conference Proceedings | 2005年
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The quasi-synchronous sampling algorithm is an effective method for improving measurement precision when perfect synchronization is impossible. As a computer-intensive method, however, it is limited in many measurement occasions, especially when strict real-time measurement is required. By means of mathematical induction and discrete Z transformation, the recursive operation of the quasi-synchronous sampling in time domain is proved to be a multiple linear-convolution process in this paper, and a fast quasi-synchronous sampling algorithm based on linear convolution and fast Fourier transform is proposed accordingly. It is experimentally validated that the fast algorithm has a higher executing speed than the recursive algorithm.
引用
收藏
页码：5159 / 5163
页数：5
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