地心坐标系

本文主要讨论不同坐标系之间的坐标变换及转换误差，并提出了在雷达信息处理系统中使用地心坐标系作为统一坐标系的一种新的坐标变换方法以减小地球曲面误差的影响。

This paper focuses on the coordinate transformation and the transformation errors from one coordinate system to another , and brings about the new conversion method of using ECEF coordinate as the unified coordinate in order to lower the effects of the earth curvature errors .

在介绍了参心坐标系和地心坐标系相关概念的基础上，对大地空间直角坐标参考系变换模型做了系统的总结，讨论了布尔莎模型和莫洛金斯基模型。

The reference-ellipsoid-centric coordinate system and the geocentric coordinate system are introduced . After concluding transformation model between the geodetic rectangular space coordinate systems , the Bursa model and Molodensky model are discussed .

基于Ozone算法的GPS大地坐标变换，采用WGS-84地心坐标系。

WGS-84 geocentric geodetic coordinate system was adopted for GPS geodetic coordinate transformation based on Ozone algorithm .

WGS-84地心坐标系中高空风计算方法

The methods of calculating upper winds in WGS-84

计算结果表明，对于传统的高空风探测，可仍然采用站心坐标系进行高空风的计算；对于GPS定位测风，可根据位置参数直接采用地心坐标系进行高空风的计算。

The results showed that the upper winds could be calculated in the station-origin coordinate system for the traditional sounding methods , but they should be directly calculated from the position parameters in the WGS-84 for the GPS sounding method .

应用GPS取代传统的地表变形监测网可以提高外业观测的效率，而GPS观测值是三维基线向量，平差结果是地心坐标系的三维坐标。

It can improve the efficiency to use GPS to replace the traditional method in ground deforming monitoring , but the measurements of GPS are baseline vectors in three dimensions ( 3-D ), and the adjusted results in geocentric coordinate system .

提出了一种基于地心坐标系（ECEF）的传感器极大似然配准算法。

An maximum likelihood registration algorithm based on earth-centered earth-fixed ( ECEF ) coordinate system is presented .

我们认为，TAI的建立应当与地心坐标系的选择有关，而把TDT看为是在去除地心引力的虚拟时空中的地心处的原时比较恰当。

We think , the construction of TAI should depend on the choice of geocentric coordinate System and TDT should be considered as the proper time at geocentre in a fictitious spacetime when the gravitation of the earth were removed .

该文给出了DVE中常用的坐标系统，地心坐标系、测地坐标系、拓扑坐标系、实体坐标系和欧拉角定义，并推导了它们之间的转换公式。

This paper gives the definition of coordinate systems usually used in DVE , which are geocentric coordinate system , geodetic coordinate system , topology coordinate system , entity coordinate system and euler angle , then deduces the conversions among them .

第三项坐标是高程。区域性独立坐标系与三维地心坐标系的转换

Transformation Between Three-Dimension Geocentric Coordinate System and Independent Coordinate System

地心坐标系与站心坐标系中的速度转换及误差传播

Velocity transformation and error propagation between geocentric coordinate system and site-centric coordinate system

基于地心坐标系的传感器极大似然配准算法

An Maximum Likelihood Registration Algorithm for Sensor Alignment Based on Earth-Centered Earth-Fixed Coordinate System

相对论框架中的地心坐标系

The Geocentric Coordinate System in Relativistic Framework

区域性独立坐标系与三维地心坐标系的转换分段独立坐标系在带状地物变形监测的应用

Transformation Between Three-Dimension Geocentric Coordinate System and Independent Coordinate System The Application of Subsection Independent Coordinates in the Large Strip Objects Deformation Monitoring

综述了测绘工作中常用的几类大地坐标系的建立方法，全面介绍了我国参心坐标系、地心坐标系和世界地心坐标系的发展及其现状。

It gives a whole view of the development and status of geocentric coordinate system , ellipse-centered coordinate system and world geodetic system in China .

根据求得的目标局部坐标系与地心坐标系的转换关系，解算空中或地面目标相对于地心坐标系的大地坐标参数。

Conversion matrix between object 's local coordinate system and geocentric coordinate system is solved to compute geodetic coordinate parameters which object in air or on earth to geocentric coordinate system .

在目标位置解算过程中，建立目标局部坐标系，根据地球的椭球模型，建立相应的地心坐标系。

In the process of location compute of object , local coordinate system of object is established , and according geocentric coordinate system is established in terms of earth 's ellipsoidal model .

其次，常规思路在方法上是以陆地坐标系为基础的，其直接研究对象是海面相对于地面的升降变化&相对海面变化，而最终目标则是海面和地面在地心坐标系中的绝对变化。

Secondly , the direct research object of traditional method is to build up rise and fall changes that are the sea related to land , which is named relative sea surface changes .

天文大地网与空间大地网联合平差，对于检核、控制与加强天文大地网以及建立与扩展地心坐标系，都具有重要意义。

The combined adjustment of astro geodetic and space geodetic networks is of great significance for checking , controlling and strengthening the astro geodetic network , and for establishing and extending the geocentric coordinate system .

后两种磁干扰数值计算时，采用载体坐标系，且假定地磁场矢量（包括其大小和方向）在地心坐标系中保持不变，且在空间均匀分布。

In the numerical calculation of the two latter magnetic interference , we use aircraft coordinate system and hypothesis the geomagnetic field vector unchanged in the inner earth coordinate system and distributed uniformly in space .

随着空间测量技术的普及和精度的进一步提高，传统大地测量工作发生了质的变化，促使大地坐标系由参心坐标系向地心坐标系转化。

Traditional geodetic survey has changed greatly with popularization of spacial survey technology and further improvement of precision . Geodetic coordinate system has transformed from reference ellipsoid centric coordinate system ( RECCS ) to geocentric coordinate system because of the change .

首先依据确定平面的几何原理和求解平面夹角的余弦公式，在地心坐标系下，得到发射方位角与发射点、目标点的简洁的解析关系；

Therefore , based on the geometric principle of plane equation being determined and Cosine formula to calculate the angle of two planes , a simple analytical expression among launching azimuth , launching point and goal point are obtained firstly in the Earth centered Inertial coordinates .

以分布式InSAR为例，着重研究了从地心惯性坐标系到卫星质心轨道坐标系的转换方法，详细地推导了具体的转换公式。

Taking the distributed InSAR as an example , this paper lays a strong emphasis on the research of the coordinate transformation methods from the inertial coordinate system to the centroid orbit coordinate system , and deduces the idiographic formulas of them in detail .

一个坐标系中的固定的参考线。地固地心直角坐标系

One of the fixed reference lines of a coordinate system . ECEF - Earth Centered Earth Fixed

首先由卫星轨道参数向量和三维矩阵变换得到卫星在地心赤道坐标系中的坐标矩阵，然后再通过平移、旋转和比例等变换得到卫星及恒星在望远镜中的坐标矩阵，最后即可得到总模拟图。

The coordinate of the multi-target in the geo-center equatorial coordinate is obtained by using 3-D matrix transform and the vector of target parameters .

根据GPS导航和SINS导航的基本关系，在地心地固坐标系下建立了完整的深层全组合导航系统的数学模型。

According to the basic theory of GPS navigation and SINS navigation , the comprehensive mathematic models of integrate navigation system is built under Earth Center Fixed coordinate system .

详细推导了它们在地心非旋转坐标系中的计算模型，并将本文的LASSO和TWSTFT计算模型与其它经典的计算模型进行了比较。

The calculation models in the geocentric non-rotating coordinate system are derived , with which other classical models have been compared .

基于地心地固坐标系的多运动平台实时配准方法

Multiple Mobile Platforms on-Line Registration in Earth-Centered Earth-Fixed Coordinate System

一种新的地心地固坐标系传感器配准算法

New registration algorithm of sensor in earth - centered earth - fixed ( ECEF ) coordinate system

摘要讨论了我国科学地采用地心三维大地坐标系，主要涉及到的该坐标系的定义、采用的大地测量基本常数以及与此有关的潮汐改正等三个问题。

This paper discusses how to scientifically employ a geocentric 3D coordinate system in China and analyzes three main scientific problems involved in this regards , i.e. the definition of the system , the geodetic fundamental constants and tidal correction .