时延估计是被动声定位的关键。
Time-delay estimation is the key to the passive acoustic location.
研究了频域自适应时延估计算法及其在被动声定位中的应用。
The frequency domain adaptive time delay estimation (FDATDE) algorithm is presented, followed by its application in passive acoustic direction.
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.
在研究单基阵被动声定位技术的基础上，提出了基于双基阵的被动声定位基本原理和方法，并对高炮弹丸炸点的被动声定位进行了仿真实验。
The results of simulation show that the accuracy of passive acoustic locating system based on dual arrays for shell burst of antiaircraft gun is improved, and can also be .
提出了一种被动声传感器网时延概率定位的综合处理算法。
A passive acoustic sensor network time-delay probabilistic localization algorithm is present in this paper.
利用简易被动声传感器阵列进行直升机目标定位。
A simple practical implementation of positioning system with passive acoustic sensor arrays for localizing helicopter was presented.
指出了最佳平面三阵元声被动定位阵列的几何特征。
The feature of optimum of passive acoustic location in plane is put forward.
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。
It establishes a planar wave acoustic passive localization model, and designs the general structure of the position system using simple passive acoustic sensor arrays.
介绍了一种近场高精度被动定位方法——聚焦波束形成声图定位。
A passive ranging method, using focused beam-forming, has a good precision in near field.
为实际声目标被动定位提供理论指导。
It offers a theory instruction of real passive acoustic location.
根据声测被动定位对声学基阵提出的要求，给出了当基阵尺寸较小的情况下，影响声测被动定位精度的关键因素。
Aiming at improving the precision of acoustic passive localization by small size array, we first derived eqs. 1 through 3 to describe the relation between time delay and target location.
根据声测被动定位对声学基阵提出的要求，给出了当基阵尺寸较小的情况下，影响声测被动定位精度的关键因素。
Aiming at improving the precision of acoustic passive localization by small size array, we first derived eqs. 1 through 3 to describe the relation between time delay and target location.
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