Coordinates system

In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.

以旋转椭球体面上某点为原点建立一个大地坐标单位活动坐标架。

Determination coordinate of intraocular lens power;

人工晶状体屈光度数检测坐标

General formula for calculating coordinate azimuth;

坐标方位角通用计算公式

Curve coordinate calculation of cloverleaf interchange in expressway;

高速公路A型双喇叭互通曲线坐标计算

Substituting adjustable parameters of machining cutter for the NC coordinates to machine special type of helicoid cutters;

增加调节参数代替联动坐标加工特种回转面刀具

Because there are many coordinates system in the long route engineering,which bring a lot of inconveniences for design and construction.

而长距离的线路勘测工程中不可避免地会出现多个坐标系,这也给设计和施工带来诸多不便。

Combined with the complex features of GPS coordinates calculation on gyrated line points on expressway and city overpass ramp,it introduces the calculating methods of gyrated line s transformation to alleviated curve.

结合高速公路和城市立交匝道上回旋线段任意点的GPS坐标计算的复杂性,详细地介绍了回旋线段转化为缓和曲线的计算方法,并通过工程实例进行了说明,以达到快速准确地计算回旋线段任意点的GPS坐标的目的。