There are foundational mistakes in some mathematic models about TMA in bearings-only system.
在研究纯方位系统目标运动分析（TMA）的数学模型中，有些存在原理性错误。
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。
The observer's trajectory has an crucial importance on the accuracy of bearings-only target localization.
纯方位角无源定位时，观测平台的运动轨迹对目标最终的定位精度有重要影响。
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。
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。
Based on the theoretical mathematical procedure, investigating the application of the Taylor -series method in bearings-only TMA.
以泰勒级数法的理论模型为基础，研究它在纯方位TMA中的应用问题。
The paper discusses how to apply methods of target motion analysis on bearings-only estimation of underwater target motion parameters.
本文讨论如何使用目标运动分析方法对水下目标进行纯方位距离估计。
In fact, this method is also suitable for multi-platform multi-targets bearings-only cross location, because it is only a special example.
事实上，该方法也适用于多平台多目标的纯方位交叉定位，因为它只是一个特例。
By maneuvering equivalent, the multiple stationary observers bearings-only system is transformed into a special single moving observer problem.
通过运动等效，将多静止站系统转化成一个特殊的单运动测向站问题。
Observability requirements and localization methods for multiple stationary observers bearings-only localization system is discussed in this paper.
对多静止测向站系统的可观测性、定位方法进行了分析和研究。
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。
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 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。
Passive bearings-only target motion analysis (BO-TMA) is to estimate the position and velocity of a target from bearing measurements with corrupted noise obtained by an observation platform.
被动式纯方位目标运动分析(BO - TMA)是一种从探测器所观测到的加噪方位信息中估计目标运动要素的方法。
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。
It was made out of printed parts, so it would only last a month before I'd need to print new bearings and other moving parts.
这台搅拌机也是用三维打印机生成的，因此只能用上一个月，然后我就需要打印出新的轴承部件和其他的移动部件。
Magneto bearings transmit axial forces in only one direction.
磁轴承只传递一个方向的轴向力。
In the design of bearings for generators, it is not only the speed, size and design that play an important role.
在设计轴承的发电机，它不仅是速度，规模和设计，发挥了重要作用。
Due to their specific kinematic behaviour, cylindrical roller thrust bearings are only suitable for low speed applications only.
由于其特定的运动行为，圆柱滚子推力轴承只适合低速应用。
This type of bearings is separable which can only carry axial load.
是可分离型轴承，只能承受轴向载荷。
Thurst angular contact ball bearings only bear unilateralism axial load. If single bearing loading couldn't meet request, or bear double direction axial load, it should choose bearing combine.
该类轴承只能承受单方向的轴向载荷，如果单个轴承的载荷不能满足需要，或者要求承受两个方向的轴向载荷时则选用轴承组。
Our company is ZWZ bearing Corporation set up in Qingdao sold only one product company. I plant franchise ZWZ brand bearings. Welcome calls talks.
我公司是瓦房店轴承在青岛地区设立唯一一家产品自销公司。专营我厂生产‘ZWZ’品牌轴承。欢迎来电来人洽谈。
Our company is USA TIMKEN bearing Corporation set up in Qingdao sold only one product company. I plant franchise TIKEN brand bearings. Welcome calls talks.
公司是美国TIMKEN轴承株式会社在青岛地区设立唯一一家产品相关服务中心。专营我厂生产‘TIMKEN’品牌轴承。欢迎来电来人洽谈业务。
This type of bearings is separable, which can only carry axial load.
推力球轴承是可分离型轴承，只能承受轴向载荷。
This integrated bearings and bearing units-on eccentric collar, not only has the support of the rollers, and implements the drum impression and registration functions.
此轴承单位集成轴承和公道套，不仅具有撑持滚筒功用，并可达成滚筒离不合不抬和套准的功用。
They can be pressed into the housing bore directly. Linear ball bearings are only suitable for linear motion.
直线运动球轴承只能用于直线运动，不能作为旋转运动…
NKE cylindrical roller thrust bearings are produced in single direction design only as standard (see b. below).
NKE的圆柱滚子推力轴承的生产仅作为标准(见b.b elow)单方向设计。
The results show that when only the oil film forces are applied to the rotor, there only exists the period-doubling bifurcation arising from the instability of the lubricant in the bearings.
结果表明，当只有非线性油膜力作用时，转子只存在由于油膜失稳而导致的倍周期分岔。
The results show that when only the oil film forces are applied to the rotor, there only exists the period-doubling bifurcation arising from the instability of the lubricant in the bearings.
结果表明，当只有非线性油膜力作用时，转子只存在由于油膜失稳而导致的倍周期分岔。
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