Passive acoustic detection is widely used on kinds of conditions to detect the target, in advantage of the passive receive technique and hardly perceived target.
被动声探测技术,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。
参考来源 - 近地飞行目标的声测定向技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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