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A new constrained least mean square time-delay estimation system

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2 Author(s)
Ho, K.C. ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, Hong Kong ; Ching, P.C.

An adaptive filter for determining the time difference in a signal between two split-array outputs is described. A least-mean-square (LMS) algorithm is used to adapt the constrained filter coefficients to samples of a sinc function. The newly configured LMS time-delay estimation model has a faster convergence speed and a superior ability to track time-varying delays. In addition, the same filter length can be used to measure a longer delay without resulting in a larger truncation error

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Circuits and Systems, IEEE Transactions on  (Volume:37 ,  Issue: 8 )