In the second chapter, data structure and various coordinates conversion are discussed in details.
本文第二章详细说明了原始数据的数据结构和各种坐标变换。
Various models for plane coordinates conversion are deduced starting from their geometrical significance in large number of literatures.
大量文献从几何意义上出发，推导了各种平面坐标的转换模型。
The data from the data sources of different countries are converted into the unifying data format and projection coordinates system by data conversion, projection conversion and error correction.
将来自不同国家的数据源进行数据转换、投影变换和误差校正，转换为统一的数据格式和投影坐标系统。
This is a GIS application in the process, the process can be completed between different GIS coordinates of the conversion.
这是一个应用在GIS中的程序，本程序能够完成不同GIS坐标之间的转换。
Then the synoptical conversion parameter is calculated by control coordinates and photogrammetric coordinates of three control points.
由控制点的已知控制坐标与求得的摄站坐标系下的坐标，进一步求得两坐标系的转换参数的初值；
It put forward an effective new method to resolve the inverse position by using the conversion of coordinates and projection in analytic geometry, the method was simulated and verified by MATLAB.
运用解析几何中的坐标变换和投影，得出一种有效求解位置反解的新方法，通过MATLAB软件对该方法进行了仿真和验证。
Firstly, analyzes the PMSM mathematical model at different coordinates and the conversion among them, then, build the system model for vector control.
首先分析了永磁同步电动机在不同坐标系下的数学模型及其之间的转换，并搭建了系统的矢量控制模型。
From GPS surveying the WGS-84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from WGS-84 coordinates to local coordinates is necessary.
GPS测量得到的是WGS- 84坐标，而实用上需要的是地方坐标系坐标，因而得把WGS - 84坐标转换地方坐标系坐标。
The method of strip division projection of space projection is also researched, the problems of strip division rule and conversion of the coordinates of neighbor strip is discussed in this paper.
文中同时研究了空间投影的分带投影方法，讨论了分带规定和邻带坐标换算等问题。
And the paper achieved conversion from the completed polar coordinates to rectangular coordinate, and solved two key problems, dead address and blind zone phenomenon.
本文完成了雷达数据从极坐标到直角坐标的转换，解决了坐标转换易出现的死地址和盲区现象。
By analyzing the theory of geographic coordinates and rectangular coordinates interconversion, algorithmic researches and completion of coordinate conversion programming has been discussed.
通过对地理坐标与地面直角坐标相互转换原理的分析，论述了坐标转换和算法研究及实现方法。
By analyzing the theory of geographic coordinates and rectangular coordinates interconversion, algorithmic researches and completion of coordinate conversion programming has been discussed.
通过对地理坐标与地面直角坐标相互转换原理的分析，论述了坐标转换和算法研究及实现方法。
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