Time delay estimation is most important in locating sound source adopting time difference,its precision di-rectly affects the accuracy of location.The paper will discuss generalized cross correlation,cross-power spectrum algorithm, adaptive algorithm and the application of them in the acoustic passive localization.%时间延迟的估计算法在声音定位中非常重要,其精度直接决定了定位的精度。讨论和比较了广义互相关算法、互功率谱相位法和自适应算法在被动声定位中的应用,得出广义互相关算法相较于其他2种算法有更好的定位精度,在研究声源定位中有更广泛的应用前景。
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