查询词典 tracking

Model based vehicle tracking method will cause tracking drift, and can not deal with occlusion; Kalman filter based vehicle tracking method generally assumes that the motion of vehicle is uniformly linear motion or uniformly accelerated linear motion. This assumption is not appropriate for the actual movement of ...

从实验结果看，基于模型和灰度对称融合的运动车辆跟踪方法能稳定的跟踪到前方远距离车辆，能适应光照剧烈改变情况下的车辆跟踪，能处理遮挡问题，是一种有效的车辆跟踪方法。

Based on the finger's kinematics and dynamics, joint position tracking and fingertip position tracking in Cartesian space are realized respectively by tracking linear actuator position.

使用直线式电位计检测驱动器的直线位置，基于线性霍尔传感器测量电机的位置和速度，基于光电开关实现极限位置的检测和保护。

A search engine selects one or more search hits from among a plurality of hits, wherein a hit is a reference to a page or a site, based on a user interest, comprising an input module for accepting a query from a user, the query representing an interest of the user; a tracking module for tracking the user's navigation through the plurality of pages, including at least a destination purchase page, the destination purchase page being a page from which the user makes a purchase; a sales module which records associations between purchases and queries where the associations are provided, at least in part by an output of the tracking module; and a search module, which takes as its inputs at least a query and sales associations of that query provided by the sales module, and which outputs one or more search hits based on at least the query and the sales associations of that query.

一搜索引擎从一一击的多数状态中选择一或更多搜索一击，在哪方面一一击是一参考一页的或者一地点把代表一用户的利益问题建立在一用户权益的基础上因为承认一从一个用户问题包括一投入模数；一因为跟踪用户的航行通过页的多数状态，目的地购买页，包含至少一目的地购买页，是一从其用户买东西的页跟踪模数；一记录在购买和问题之间协会其协会部分地至少被一输出提供的销售额模数的跟踪模数；和一把至少那经过销售额模数提供问题的一问题和销售额协会视为它的投入，和哪一个使出，把一或更多搜索一击建立在至少那问题的问题和销售额协会的基础上的搜索模数。

To enhance the tracking performance, in this dissertation, the zero phase error tracking control algorithm for discrete-time systems and the disturbance observer have been investigated with a proposal to combine ZPETC and DOB for improved tracking performance.

为提高系统的跟随性能，本文还对零相差跟随控制算法与干扰观测器结合的控制方案及干扰观测滤波器的设计方法进行了讨论。

Lastly,after introducing some tracking methods,make good use of kalman filter method in center tracking. This method fairly meets the need of tracking in this paper.

在介绍了常见的跟踪方法后，重点研究了质心跟踪及卡尔曼滤波预测机制，并且把这两者结合的跟踪算法应用于目标跟踪的仿真实验，这样使算法弥补了单一跟踪方法自身不足的方面，获得了良好跟踪效果。

In the process of tracking target, using dynamic programming algorithm,which has the advantage of global optimization and constringency stability,to split the test target,and using the Kalman filter to predict the object center to help tracking the contour of the target, in order to implement the right moving target detection and tracking.

在跟踪过程中，结合动态规划法全局最优、收敛稳定的优点，对待检测目标进行分割，并采用卡尔曼滤波器预测目标中心来辅助跟踪目标轮廓，以实施对运动目标的检测和跟踪。

From the experimental results, the new tracking device has the advantages of reasonable design, steady operation and rapid reaction, besides, the real-time tracking accuracy can be higher than 3.5 mrad and overshoot is less than 3.2%, which make heliostat be able to realize the real-time and accurate tracking.

实验结果表明，该跟踪装置设计合理，运行稳定，反应速度快，实时跟踪精度优于3.5 mrad，超调量小于3.2%，实现了定日镜的实时精准跟踪。

By relations between hour angle and the tracking angle of several single\|axis tracking modes, selecting for controller methodologies of several single\|axis tracking modes are acquired.

特别是使用了MATLAB程序处理数据，得到南北水平轴跟踪时跟踪角和太阳时角间的关系图像，着重分析了此时采取混合跟踪的可行性和适用性。

Television tracking system is a kind of passive image recognizing and tracking equipment. It can separate the targets form the field, certain their position, estimate their movement trend and realize the real-time tracking of the targets, at complicated background and according to standard television system type.

电视跟踪雷达是一种被动式成像跟踪设备，能在比较复杂的背景下按照标准的电视制式，提取与分离视场内的目标，确定目标位置，估计目标运动趋势，实现对目标的实时跟踪。

Theoretical analysis and simulation shows that the direction driving motor accelerates first, and then decelerates to compensate for the eccentricity when the satellite is deviated from laser center with a certain distance, and reacquires the tracking satellite. The needed time from reacquisition to tracking is affected by motor acceleration, telescope′s detecting precision, and detector′s response and treatment time, and the effect of detector precision on the reacquisition and re-tracking time is greater, as a result, the detector response and treatment time is decreased to the least.

理论分析与仿真结果表明，当卫星偏离光斑中心一定距离时，指向驱动电机先加速后减速，补偿这个偏心，重新捕获跟踪卫星；重新捕获到跟踪所需时间受电机加速度和望远镜探测精度以及探测器响应处理时间影响，其中探测器精度对重新捕获到跟踪所需时间影响较大，探测器响应处理时间要减小到最小；为了使从捕获到跟踪过程中卫星始终在扫描光斑范围内，经纬仪驱动电机的最小角加速度为25.5°/s2。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。