geocentric system

( 2nd century AD ) proposed a geocentric system of astronomy that was undisputed until Copernicus .

（公元2世纪）在哥白尼之前提出了无人怀疑的地心说的古希腊天文学家。

Application of Robust Estimation in Coordinates Change Between Referenced-Centric and GPS Geocentric System

稳健估计在参心与GPS地心坐标间相互转换的应用

Based on the solution to univariate cubic equation , this paper puts forward a rigorous coordinate conversion method from geocentric system to geodetic system . The Rigour Calculation Formulation of the Quantity of Earthwork About the Project of Building Road

基于一元三次方程的求解，给出了地心坐标向大地坐标转换的严密计算公式，并用算例说明了其正确性。筑路工程土方量计算严密公式

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

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

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

地心坐标系与站心坐标系中的速度转换及误差传播

The Geocentric Coordinate System in Relativistic Framework

相对论框架中的地心坐标系

Determination of Geocentric Coordinate System Using the Geoidal Undulation

浅议大地水准面精化的一种方法利用大地水准面差距确定地心坐标

On the Coordinate Transform for the Station Local Coordinate Frame Determination of Geocentric Coordinate System Using the Geoidal Undulation

不同站心地平坐标系下的坐标归算利用大地水准面差距确定地心坐标

Or or relating to the geocentric Ptolemaic system .

指托勒密的地心说体系或者与此体系相关的。

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

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

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

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。

Moreover , the local coordinate systems in the cities of our country lack in direct and precise connection to the geocentric coordinate system and the national coordinate system .

此外，目前许多城市的地方坐标系统与国家坐标系统之间缺乏精确严格的换算关系。

It is an important mission of Geodesy to improve an accuracy of control networks and to establish the geocentric coordinate system via combined satellite and terrestrial network adjustment .

通过地面网与卫星网的联合平差，以改善网的精度和建立高精度的地心坐标系统，是当前大地测量的一项重要任务。

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 .

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。

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 .

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。

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 .

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 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 .

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。

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 .

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。

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 .

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。

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 .

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。

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 .

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。

The relativistic models of laser ranging measurements are given in the solar system barycentric reference system ( BRS ) and in the geocentric reference system ( GRS ) . It is proved that the two models are equivalent in the precision of millimeter .

给出了太阳系质心参考系（BRS）和地心参考系（GRS）中的相对论激光测距理论模型，并且利用现有的坐标变换关系证明两种模型在毫米级的精度上是完全等价的。

Discussion on Geocentric 3D Coordinate System and Tidal Correction in China

关于我国采用三维地心坐标系统和潮汐改正的讨论

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

基于Ozone算法的GPS大地坐标变换，采用WGS-84地心坐标系。

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

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。

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 .

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。

Only two among the four issues concerning the feasibility are discussed . One is that a Chinese geocentric 3D coordinate frame with enough points , suitable density , high accuracy , and dynamic is the necessary condition to realize the Chinese geocentric 3D coordinate system ;

只讨论了可行性可能涉及的4个问题中的2个，一是必须具备有足够数量，适宜密度，动态的高精度坐标框架来实现地心3维坐标系统；