Joint time delay and frequency estimation via state-space realization

被引：13
|
作者：
Wu, Y [1 ]
So, HC
Ching, PC
机构：
[1] Xidian Univ, Lab Radar Signal Proc, Xian 710071, Peoples R China
[2] City Univ Hong Kong, Dept Comp Engn & Informat Technol, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China
来源：
IEEE SIGNAL PROCESSING LETTERS | 2003年 / 10卷 / 11期
关键词：
delay estimation; frequency estimation; statespace; subspace algorithm;
D O I：
10.1109/LSP.2003.817854
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：
By applying a two-dimensional parameter estimation method proposed by Viberg and Stoica, we develop a subspace method for estimating the differential delay of a sinusoidal signal received at two separated sensors as well as the sinusoidal frequencies. Using state-space realization, the time delay and frequency estimates are obtained from the state transition and observation matrices. Performance evaluation via computer simulations is included to demonstrate the effectiveness of the proposed algorithm.
引用
收藏
页码：339 / 342
页数：4
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