利用声目标在运动过程中产生的声波，对目标进行识别是被动声探测系统的基本任务。
Target identification using moving target's acoustic wave is a basic task of the acoustic detection system.
目前被动声探测距离精度还不能满足跟踪的需要，因此，反直升机智能雷对目标的跟踪问题归结为仅有角测量的跟踪问题。
Tracking target by using anti-helicopter mine (AHM) is actually the bearing-only measurement because precision of range detected by passive acoustic measurement cant satisfy the need of tracking.
摘要：为了解决水下远程目标被动探测问题，提出了一种声矢量圆阵的信源数检测方法。
Abstract: to solve the passive detection problems of underwater remote targets, we propose a method for detecting source Numbers with a uniform circular acoustic vector sensor array.
被动声定位技术，由于被动接收、不容易被察觉，广泛应用于各类环境中对目标的探测。
Passive acoustic localization has been widely used in the practice because of passive reception, good invisibility.
被动声定位技术，由于被动接收、不容易被察觉，广泛应用于各类环境中对目标的探测。
Passive acoustic localization has been widely used in the practice because of passive reception, good invisibility.
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