IERS

The realization and scheme application of coordinate transformation based on IERS 2003

基于IERS2003规范的坐标系转换实现及其方案应用

Improvement of Reference System Field in the IERS 1996 Conventions

IERS1996规范在参考系方面的改进

Short periodic fluctuation analysis of the new iers UTI series

IERS新UT1序列的短周期项分析

The maintenance of the orientation of iers celestial reference frames

IERS天球参考架的指向维持

Improvements of the Geopotential and Measurement Models in the IERS 1996 Conventions

IERS1996规范中地球引力势模型和测量模型的改进

New Organization of IERS

国际地球自转参数服务的新组织

Especially the reason and process of " IERS retreat ", and the structure of the new IERS organization are introduced .

着重介绍了IERS重建的理由和过程以及新IERS机构的组成。

Optical Positions of Radio Sources IERS 0716 + 714 and IERS 0839 + 187

射电源0716+714和0839+187的光学定位

The coordinate reference datum on which precision GPS survey is based , is ITRF International Terrestrial Reference Frame that IERS offers .

高精度GPS测量所依据的坐标参考基准，是由IERS所提供的ITRF国际地球参考框架。

Recompilation of the Combined Extragalactic Radio Source Catalogues of IERS for Years from 1988 to 1992

1988至1992各年度IERS综合河外射电源表的重新归算

Integrated emergency response system ( IERS ) is a large-scale spatio-temporal system which integrates all sorts of emergency service resources and majors its features as common codes used for public emergency events reporting .

应急联动系统IERS是综合各种应急服务资源，采用统一号码，用于公众报告紧急事件，统一接警与指挥，联合行动，为市民提供应急服务的大型时空信息应用动态集成系统。

The changing character of the Earth 's gravity field is studied in this paper by using simultaneously long-term continuous gravity observations recorded with international SG at 4 stations and the ERP from IERS .

同时采用4个台站的国际超导重力仪长期连续重力观测资料和国际地球自转服务中心提供的同步地球自转参数，研究了极移引起的地球重力场变化特征。

The OV-3 is a matrix of IERs that collectively represent the needlines of the OV-2 .

OV-3是共同地表示OV-2的需求线的IER矩阵。

Based on the coordinates , velocities and their error estimations of 595 GPS , SLR and VLBI stations issued by IERS in March 2001 , the current asymmetrical deformation of the Earth is studied .

根据2001年3月IERS公布的全球近600个GPS站、SLR站及VLBI站的站坐标、速度及它们的误差估计，研究了地球的现今非对称变形。

Calculations show that this maintenance model is more desirable than the IERS one , which was on the hase of all primary sources of a version of the frame , in the consideration of orientation stability for a long time span .

对实际资料的归算结果表明，在确保参考架指向长期稳定性方面，共同基本源指向维持模型优于IERS维持模型。

iers we could always see that [ were ] going to prevent taking the next step , and somehow or other , as we got closer , the engineers had figured out ways around these . But someday it has to stop . No exponential like this goes on forever . "

止我们进入下一阶段，可莫名其妙地，当我们越来越接近障碍时，工程师又找到了避开它们的办法。但总有一天得停下来。像这样的指数增长不会永远持续下去。”