多途时延估计广泛的应用于目标定位，波达方向估计等领域，因此具有十分重要的意义。
Time delay estimation was widely used in many areas such as target localization, directions of arrival (DOA) estimation.
为了提高时延估计精度，在广义相关时延估计的基础上本文又提出了基于基小波的二次加权法。
To improve the time delay estimation accuracy, this paper introduces the re-weighting method with mother wavelets based on the generalized correlation method for estimation of time delay.
该算法是对传统MUSIC方法的推广与变形，克服了要求接收信号数小于阵元数的局限，能有效估计时延不同、波达方向相差很小的多径信号的参数。
The algorithm is a development of traditional MUSIC algorithm, so the number of multipath signals can be most of the array elements and can be used to estimate the parameters of multipath signals.
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