信噪比时变情况下的自适应时延估计方法

Adaptive Time-Delay Estimation in Time-Varied Signal and Noise Power

本文介绍了一种自适应时延估计的改进方法，此方法用于在信噪比时变情况下，对空间上分离的两个传感器所接收的带限信号的时延估计。它的优点在于：当信噪比变化或未知时，它能对时延的变化随时做出估计。文中给出了此方法的估计精度和收敛特性。

This paper introduces a new method for an adaptive time-delay estimator. It improves its performance in estimating the differece in arrival time of a band-limited random signal received by two spatially separated sensors in an environment where the signal and noise power are time varying. The proposed method has an advantage in that the variance of time-delay can be assessed at any time. The valuable conclusion and convergence characteristics are obtained.