According to this, this paper focuses on the study of bearings-only passive tracking system in the aspects of the target location, time alignment and nonlinear filtering algorithm.
基于这样的背景，本文从目标定位、时间配准和非线性滤波算法三个方面对多站纯方位被动跟踪系统进行了研究和算法改进。
This article states the principle of passive time difference tracker which is used for the fast location to target.
为使反辐射技术对目标进行快速定位，研制了无源时差跟踪器。
Passive location techniques realized by using electromagnetic waves emitted by the target or other sources.
无源定位技术是利用目标自身辐射的信号或利用他源信息进行定位的方法。
The estimate algorithm of the location of the target solved passive location and tracking to a moving target with triangle bearing location algorithm by using the information from two stations.
提出的算法是利用两个观测站测得的信息，应用三角交叉定位法，对运动目标辐射源位置的估计算法进行了研究。
Weighted least square estimation for target location and Kalman filtering for tracking and predication are used in such passive location system.
该无源被动定位系统采用了加权最小二乘法来估计目标位置并用卡尔曼滤波器对目标进行跟踪与预测。
A new algorithm for infrared mono-station passive location for a mobile target is presented based on infrared imaging, series images processing and three dimensional movement analysis.
介绍了一种基于红外成像、序列图像处理和三维运动分析技术的对机动目标的红外单站被动定位新算法。
So, the detection and extraction of signals reflected by the target are difficulties and the key technology of passive tracking location.
因此，目标反射信号的检测和提取是个难点，也是无源探测定位的关键技术之一。
The results of simulation suggest that this model is feasible and it can provide some reference to target-location algorithms for passive sonar-buoy to search submarines.
仿真结果表明该模型可行，能对被动式声纳浮标搜潜的目标定位提供算法依据。
With the information of the angles and radiations of the target measured by IRST systems, a single observer passive location method is put forward.
提出了利用目标的方位、俯仰角信息以及红外探测器对目标辐射的响应信息，解算目标位置参数的单站定位方法。
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.
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。
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