Based on the generalized correlation method for estimation of time delay and combined with practice of sonar engineering, this paper presents a new method for precise estimation of time delay used by active sonar signal with high SNR.

• 本文结合声纳工程实际,在广义相关时延估计基础上,提出一种既具有较高精度,又易于工程实现的适用于较高信噪比条件下主动声纳信号的精确测时方法。