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In the traditional acoustic source location methods based on correlation technique, the acoustic signal propagation velocity is a prerequisite that has to be known beforehand. However, in practice, the prerequisite is not always available. Thus, the correlation based location methods are infeasible. Actually the acquired acoustic signals contain the characteristics related to the acoustic propagation...
When the inputs are blurred with noises, the LMSTDE actually gives the biased estimate. In this paper, we propose a new method of time delay estimation to accurately estimate the time delay in the presence of additive noise. By analyzing the cost function of the LMS algorithm, we construct a new cost function through which an optimal unbiased estimate of the time delay can be obtained. According to...
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