It establishes a planar wave acoustic passive localization model, and designs the general structure of the position system using simple passive acoustic sensor arrays.
建立了一种平面波声被动定位模型，利用简易被动声传感器阵列，分析并设计了定位系统的总体结构。
Observability analysis is the basic and prime task in passive localization and tracking system, for only when the system is observable, it can be determined with unique and definite solution.
可观测性分析是无源定位与跟踪系统的前提和基础，只有满足可观测条件才能对系统进行正确求解。
Passive localization and tracking system plays an important role in the electronic reconnaissance, because it works silently without electromagnetic radiation and covering larger region.
无源定位与跟踪技术自身不辐射电磁波而且探测距离远，所以它在电子侦察中扮演着越来越重要的角色。
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