查询词典 tracking

The principle of outside installation mechanism in laser tracking measurement system is introduced and a spherical mechanism method is adopted to design the 2D tracking circumrotatory mechanism according thedevelopment of laser tracking measurement system in global.

作者根据国内外激光跟踪测量系统发展情况，介绍了外置式激光跟踪测距系统的原理，采用球形跟踪伺服装置的设计思想，设计了两维旋转跟踪伺服装置。

In order to tracking with the beacon facular real time and high precisely for fine tracking system in space light communication, a suit of fine tracking control flat based on high frame frequency CMOS camera is designed, image processing and control algorithms are all integrated into the large scale FPGA chip.

针对空间光通信系统对信标光斑实时准确跟踪需求，设计了基于高帧频相机的精跟踪处理控制平台，并将图像处理和控制算法全部集成在大规模现场可编程门阵列芯片内部。

In the key step of this method (the process of contour tracking), the paper puts forward the concept of grid right-correlation flag to determine the initial segment of tracking curve. In the tracking procedure, the trend of subsequent points are determined by the combinatorial values of neighborhood cells, and a method is designed to avoid contours crossing. In order to obtain high-quality contour line, it adopts it adopts the linear interpolative method to show a contour chart of accurate localization and better visual effect.

在该方法的关键过程中，提出栅格右关联标志的概念，并据此确定初始追踪段；追踪过程中依据邻域栅格值的组合特征确定后续点的走向，设计了避免等值线交叉的处理措施；为获得高质量的等值线图形，采用线性插值方法，得到准确定位和视觉效果较好的等值线图形。

An improvement of streamline tracking technique was proposed to overcome its main shortcoming. The tracking direction of planar or sphere tensor is regularized by using energy minimization technique in tracking process.

对Streamline跟踪技术进行改进，采用能量最小化技术对面形或球形张量的跟踪方向进行校正以提高Streamline算法的准确性。

According to the diffraction theory used in DVD system, we propose a new theory to analyze the RF signal and tracking error signal of Super-RENS disk. Then we use simulate the tracking error signal under beam aberration. Finally we use FDTD method to simulate the tracking error signal at defocus.

我们亦根据传统光碟片的绕射理论，提出一新的架构用於分析此近场结构，并用此理论进行射频及偏轨信号的模拟；接著探讨在有像差产生的情形下，其对偏轨信号的影响，最后用有限时域差分法验证在失焦下，偏轨信号的变化。

Against the characteristics of particles' movement in FST, the dissertation utilizes the advantages of three particle tracking methods, puts forward integrated particle tracking strategy, and realizes the particle tracking effetely.

针对脱硫塔中粒子运动的特点将3种方法有机地结合起来，充分利用了三种粒子跟踪算法的优点，实现了粒子轨迹的有效跟踪。

For software, it takes use of the swing torch and integral contrast method to realize the seam auto tracking according to the characteristics of lap joint TIG welding; It points out the method of weighted handling to proceed a revising to the integral contrast, which ensures the tracking properly and improves the tracking accuracy.

软件处理方面，针对搭接TIG焊的特点，采用摆动焊接方法，利用积分比较法，实现了焊缝的自动跟踪；提出加权处理的方法，对积分比较法进行修正，进一步保证了跟踪的实现，提高了跟踪精度。

Based on the meaning of object state in tracking theory, a novel representation for object state is proposed, which differs from traditional one with only locomotors state. In this thesis, model parameters may also represent the object state in according to different situations. Thus, the localization and characters of object are filtered synchronously, which accelerates the matching and tracking speed in real-time tracking system, especially for complicated object. In summary, this thesis studies the methods of template obtaining, updating and matching, etc.

从跟踪理论的目标状态所表示的意义出发，提出了将目标模型参数与运动参数同时作为目标状态进行滤波的方法，改变了传统方法中只利用目标运动状态的情况，在确定目标位置的同时能够匹配目标轮廓或其他特征，对于复杂的目标，可以快速鲁棒的完成视频帧中的模板匹配和跟踪。

According to the wire electrode on the trajectory of the different forms of control, WEDM can be divided into three types:* is a copy-control, cutting their lines in advance to create the shape of the workpiece and the same mode *, When the rough machining parts and die at the same time * Clamping in the machine tool table, in the process of cutting wire electrode tightly * close to the edge of model for mobile track, thus cutting out the model * with the same shape and precision to work; another One is the optical tracking control, the cutting in line before the first parts in accordance with drawings by a certain ratio of enlarge depicts an electro-optical tracking maps, drawings will be processed when the machine electro-optical tracking placed on the stage, followed on the stage The first photo has to follow the ink line graphics track movement, and then through the use of electrical, mechanical linkage to control the machine tool table work together with the relative electrode wire Xiang Sixing do sports in order to cut out the pattern and shape of the workpiece to the same; a re - Is a digital process control, advanced digital automatic control technology, machine-driven process in accordance with the geometry of the workpiece before the parameters of good pre-processing CNC automatic completion of the processing, production do not look like without drawing board also plans to enlarge, in front of more than two Control in the form of higher precision processing and broad scope of application, at home and abroad for more than 95% of WEDM have been using digital technology.

根据对电极丝运动轨迹的控制形式不同，电火花线切割机床又可分为三种：一种是*模仿形控制，其在进行线切割加工前，预先制造出与工件形状相同的*模，加工时把工件毛坯和*模同时装夹在机床工作台上，在切割过程中电极丝紧紧地贴着*模边缘作轨迹移动，从而切割出与*模形状和精度相同的工件来；另一种是光电跟踪控制，其在进行线切割加工前，先根据零件图样按一定放大比例描绘出一张光电跟踪图，加工时将图样置于机床的光电跟踪台上，跟踪台上的光电头始终追随墨线图形的轨迹运动，再借助于电气、机械的联动，控制机床工作台连同工件相对电极丝做相似形的运动，从而切割出与图样形状相同的工件来；再一种是数字程序控制，采用先进的数字化自动控制技术，驱动机床按照加工前根据工件几何形状参数预先编制好的数控加工程序自动完成加工，不需要制作模样板也无需绘制放大图，比前面两种控制形式具有更高的加工精度和广阔的应用范围，目前国内外95％以上的电火花线切割机床都已采用数控化。

Adaptive Vold-Kalman order tracking was carried out based on the algorithm of STFT_VA. In contrast with traditional method of Vold-Kalman order tracking, the method includes some advantages, for example, tacho and other hardwares are not necessary to be employed to do order tracking.

实现了基于STFT-VA算法的自适应Vold-Kalman阶比跟踪，和传统的以硬件实现的Vold-Kalman阶比跟踪相比，此方法具有无需转速计等硬件、用纯软件的方法实现。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？