查询词典 coordinates

The coordinate systems are often transformed under a set of transformation parameters, but accuracy of coordinates are low in large area.

摘 要：对于大范围测区的坐标转换，如果利用同一套坐标参数进行转换会使坐标精度损失很大。

In order to resolve the problem of the coordinates transformation between the WGS 84 and local geodetic system, in this paper, four parameter method with plane constraint and the method based on polynomial approximation are discussed.

GPS定位技术在各个领域中已得到了广泛的应用，而GPS定位成果属于WGS-84地心大地坐标系，致使将GPS地心坐标转换成本地坐标的方法愈来愈得到广大工程技术人员的关注。

In this paper, we study the characteristic of body_wave velocity with incident angle and azimuth variation by using the method of coordinates transformation for TI medium with arbitrary strength of anisotropy and arbitrary spatial orientation.

本文基于坐标变换的方法，研究任意强弱ATI介质中体波速度的角散和方位变化特征。

After gathering GPS data from Beijing Sanjidian station, the paper made a research on transformation and rotation of coordinates. GPS data is displayed on computer appropriately and that verifies the design at the same time.

采用北京三家店车站现场采集的GPS数据，研究了实测数据与屏幕坐标数据的坐标变换，采用坐标旋转实现了地图数据的合理显示，还结合实际数据，对数字轨道地图的实现进行了实验验证。

So that, we should do some effective transfor2 mation among these three systems, including time system and coordinate system. For the requirement, the time system and coordinate system for each of them are analyzed in details. And then, the method of time transformation and the model of coordinates transforma2 tion among GPS, GLONASS and GAL ILEO are p roposed based on lots of integration, certification and calculation.

这就需要我们对此三个系统的时间系统以及坐标系统进行有效的转换，本文就是基于这样的需求，详细介绍并分析了此三大系统中各自的时间系统与坐标系统，通过对多方资料的综合、推证与计算，综合得出GPS、GLONASS以及GAL ILEO三大系统间的时间转换方法及坐标转换模型与公式。

It can perform deformation by building the skeleton of the model based on the cross section of the mesh, and using the transformation of the cylindrical coordinates.

1概述对于人体表面模型的变形方法早先是刚性的变形，其中人体由彼此独立的皮肤片断组成，这些皮肤片断相对骨架静止，随着骨架一起运动。

A high breakdown contaminated robust estimation model is applied to the transformation of coordinates in GPS network from WGS 84 system to local plane system.

采用高崩溃污染率抗差估计方法，将GPS网由WGS－84坐标系下的坐标转换成局部坐标系下的坐标，从而不仅能识别不稳定的基准点，而且能对其形变的大小作出近于实际的估计，保证了转换后GPS网的精度及转换坐标的正确性。当基准点中没有粗差时，与最小二乘法的结果一致。最后，给出了应用实

On the bases of the inter-frame difference, we used the motion information of sequence images to extract binary image edges. Then according to the feature of head-shoulder image contour and chromatic coordinates transformation of color images motional face can be located.

该方法利用序列图像的运动信息，在帧间差分的基础上进行二值图像边缘提取，利用人的头肩轮廓特点以及彩色图像的色系坐标变换进行运动的人脸定位。

This algorithm eliminates the transformation of non-linear coordinates, reduces the computation load and resolves the tracking of different maneuvering models.

结合工程实际，提出了球坐标系下自适应卡尔曼滤波算法，该算法避免了非线性坐标转换问题，减少了计算量，解决了不同机动模型的跟踪问题。

Proposing the concrete solutions as to the essential technology of the modeling process in three dimensional coordinates transformation of cross section,triangle grid production and Boolean operations between the laneway entities.

针对建模过程中存在的巷道断面的三维坐标转换、三角网格的生成、巷道体之间的布尔运算等关键技术，提出了具体的解决方法，并给出了最终的实验结果，实验验证了此三维建模方法的可行性。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！