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。
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.
在矢量阵被动声呐系统中，需要对多目标进行自动跟踪。
In the vector sensor array based passive sonar system, it is necessary to track multiple targets automatically.
防空武器火控系统对空中目标探测与跟踪的方式分为主动式和被动式两种。
There are two detecting and tracking modes for air targets, initiative mode and passive mode.
在水下被动目标跟踪系统中，直角坐标系下的扩展卡尔曼滤波器容易发散而导致滤波精度很差。
Concerning the problem to instability and low accuracy of the passive filter on bearings-only target tracking, a modified adaptive Extended Kalman filter algorithm on polar coordinate is presented.
该文针对无源测向交叉定位系统提出了基于多维指派算法的被动多目标跟踪方案。
A new multitarget tracking method based on multidimensional assignment algorithm is developed for passive DOA systems in the paper.
密集信号环境下，被动雷达导引头信号处理系统中，由信号跟踪器给出的预测宽波门中难免会有异部雷达信号。
In high pulse-density environment, it's hard to avoid another radar signals from the forecasting gate given by a signal tracer in passive radar seeker signal processing system.
被动式目标跟踪主要存在两个问题：系统非线性和距离不可观测性。
There are two main problems in bearing-only tracking: system's nonlinearity and inscrutability of the range of target.
本文从基于质点运动学的单站被动定位跟踪理论出发，介绍在已有的火控雷达本体上增加一套被动定位子系统所构成的单站被动定位跟踪系统。
On the theory of SOPLAT based on particle kinematics, this paper introduces a SOPLAT system made up of a fire control radar and a passive location subsystem.
构建被动多传感器防御系统，实现全被动的目标探测与跟踪，对于提高防御系统的能力，具有十分重要的意义。
Constructing the system of passive multi-sensor so as to achieve the passive target detecting and tracking is significant to enhance the capability of defense 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。
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。
Weighted least square estimation for target location and Kalman filtering for tracking and predication are used in such passive location system.
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