The discrete-time quadrature subsample estimation of delay

被引：51
|
作者：
Maskell, DL [1 ]
Woods, GS
机构：
[1] Nanyang Technol Univ, Sch Comp Engn, Singapore 2263, Singapore
[2] James Cook Univ N Queensland, Sch Engn, Townsville, Qld, Australia
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2002年 / 51卷 / 01期
关键词：
delay estimation; interpolation; periodic functions; phase measurement; quadrature detection;
D O I：
10.1109/19.989916
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high-resolution discrete-time delay estimator for determining the delay between two periodic signals is described. The technique is based upon the principles of analog quadrature detection and is relatively simple to implement digitally. Simulations in the presence of system noise show that the delay estimator does not exhibit any significant bias and outperforms other estimators in medium to high SNR situations.
引用
收藏
页码：133 / 137
页数：5
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