The properties of this tracking method are compared with that of the bearings-only tracking method.
结合有关性能，还将多方位-速度跟踪和仅方位跟踪进行了比较。
Passive bearings-only tracking techniques are utilized in a variety theoretical and practical application.
仅有角测量跟踪技术在理论上和实际上受到了广泛的应用。
On the base of it, a decentralized bearings-only tracking algorithm based on the current statistical model was deduced and used to track bearings-only maneuvering target.
在此基础上，推导了基于当前统计模型的分散式纯方位跟踪算法并对纯方位机动目标实施跟踪。
According to the author's Cotangent relations theorem, bearings-only target tracking with linear motion is achieved.
根据所提出的余切关系定理，实现了纯方位观测的直线运动目标跟踪。
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。
With a modified polar coordinate, a specific method to realize bearings-only target tracking by means of an extended Kalman filter is discussed in this paper.
本文讨论在修正极坐标下利用推广卡尔曼滤波实现纯方位目标跟踪的具体方法。
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.
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。
In this paper, a new bearings only tracking approach, which consists of a set of weighted least squares filters (LSF) each with a different initial range estimate, is proposed.
提出了一种利用基于距离参数的最小二乘滤波器群的纯方位跟踪目标参数估计器，该估计器是由若干个处地不同的距离区间上的加权最小二乘滤波器组成。
The problem of unobservability for a bearings only target tracking system is discussed in this paper based on the target traveling in the 2 dimensional space at a uniform acceleration.
针对二维空间作匀加速运动的目标，对纯方位系统跟踪的不可观测性问题进行了讨论。
The problem of unobservability for a bearings only target tracking system is discussed in this paper based on the target traveling in the 2 dimensional space at a uniform acceleration.
针对二维空间作匀加速运动的目标，对纯方位系统跟踪的不可观测性问题进行了讨论。
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