期刊
SIGNAL PROCESSING
卷 89, 期 8, 页码 1667-1670出版社
ELSEVIER
DOI: 10.1016/j.sigpro.2009.03.004
关键词
Frequency estimation; Time-delay estimation; Fast algorithm; Parallel factor analysis
资金
- National Natural Science Foundation of China [60802046]
- CityU [7002132]
In this paper, the problem of joint time-delay and frequency estimation of multiple sinusoidal signals received at two separated sensors is addressed. By formulating the estimation problem with the use of the parallel factor analysis framework, the corresponding state transition and observation matrices are updated in an iterative manner according to alternating least squares, from which the time-delay and frequencies are then estimated. Computer simulations are included to demonstrate the effectiveness of the proposed algorithm. (C) 2009 Elsevier B.V. All rights reserved.
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