跟踪

It is proved that if a homeomorphism f on a compact metric space with the POTP is distal homeomorphism, then f does not have the average shadowing property.

证明了紧致度量空间中有伪轨跟踪的distal同胚不具有平均跟踪性，并给出了有平均跟踪性的同胚是极小的一个充分条件。

Take full advantage of the continuity and uniformity of target moving contrail ,put forward a effective arithmetic of multi-target tracking about homonymy matching among frames, so the difficulty of multi-target tracking disturbing is avoided ,at the same time, considering the complexity, the stabilization and the real time ,the approach adopted the most advanced graphics workstation, the high speed frame-grab technology and the memory method of SCSI hard disk array .

充分利用目标运动轨迹的连续性和均匀性，提出了一种有效的帧间同名匹配的多目标跟踪算法，避免了多个目标的跟踪干扰问题，同时考虑到算法的复杂性，为了满足跟踪的实时性和平稳性，采用了最先进的图形工作站以及高速的图像采集技术和SCSI硬盘阵列存储手段。

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。

To realize the real-time tracking of the shoot point from light pen,the Camshift tracking algorithm is chosen,but it is difficult to track the point with dynamic and complicated background and in case that there is similar color with the shoot point.

为实现对光笔投射点的实时跟踪，采用了Camshift跟踪算法，但是该算法在动态复杂背景及在颜色相似的背景区域中不能很好地进行跟踪。

Experiments showed that combined with the local maximum tracking algorithm, this template is suitable for tracking human body and human face.

同时结合局部峰值跟踪算法在对人的整体运动跟踪和人脸部跟踪中取得较好的效果。

Multistation passive fusion tracking algorithms is given, based on EKF algorithms, and central fusion structure is selected.

将推广卡尔曼滤波算法与集中式融合跟踪算法相结合，用于被动式多站跟踪，给出了基于EKF的被动式多站集中式融合跟踪算法。

The core of this algorithm is an object tracker that tracks multiple nonrigid objects using an appearancebased tracking method. The initial model is derived automatically and a new model update method based on the concept of the moving connected components is proposed.

算法的核心是一个对象跟踪器，它利用一种基于对象行为的跟踪算法对多个非刚体目标有效地进行对象跟踪，并与后续帧进行匹配，然后采用一种基于运动相连成分的模型刷新方法对模型的每一帧进行刷新。

Secondly, we investigate C°-flows on orientable closed surfaces having POTP, and obtain a necessary and sufficient condition of such flows.

剖析了这些轨道的邻域的轨线结构，还考虑了经过Poisson稳定点及几乎周期点的横截圈和相应的回归映射，其中本文讨论了可定向闭曲面上具有伪轨跟踪性质的C〓-流，得到了可定向闭曲面上C〓-流具有伪轨跟踪性质的较为简洁的充分必要条件；最后本文借助于从可定向的闭曲面到不可定向闭曲面的复叠投射，讨论了不可定向闭曲面上的C〓-流与其提升的轨线之间的联系，解决了不可定向闭曲面上C〓-流具有伪轨跟踪性质的判定问题。

In this thesis, the measure principle of outer trajectory of the TV tracker is introduced and the influence of the roll, pitch and yaw rotation to the LOS is analyzed in detail.

本文简要介绍了电视跟踪仪外弹道测量原理，详细分析了船体横摇、纵摇和艏摇运动对电视跟踪仪跟踪性能的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了