论文部分内容阅读
徕卡GPS定位技术又登新台阶
【出 处】
:
矿山测量
【发表日期】
:
2001年02期
其他文献
随着人们对空间位置重要性的认识,地理信息系统(GIS)已得到广泛地应用。本文对ESRI公司的组件式地理信息系统(GIS)软件MapObject(以下简称MO)中不同的符号绘制手段进行了介绍和比较。在此基础上,提出了一种基于组件的参数化方法来地绘制形式多样的自定义符号。并对GIS中符号绘制技术的发展前景进行了展望。
期刊
A model of estimating the global positioning system (GPS) instrumental biases and the methods to calculate the relative instrumental biases of satellite and receiver are presented. The calculated resu
期刊
The uplift of the Tibetan Plateau has been monitored by the FG5 absolute gravimeter, whose observing accuracy is as high as 1×10-8m/s2. The analysis of the gravity observation results at the Lhasa sta
期刊
The problem of crustal movement in the Qing-hai-Tibetan Plateau is a hotstopic of the present-day international geodetic world. GPS observations in 1993, 1995 and 1997 are used to survey the three-dim
期刊
Relief surveying and chronology study were carried out on the deformed river terraces across the Artushi anticline belt in the northwestern Tarim Basin. The crust shortening rate of this anticline bel
期刊
A dynamical-photochemical model of atmospheric gravity waves is used to study the influences of gravity waves on distributions of atmospheric minor species through transportation and photochemical rea
期刊
Contemporary crustal movement of continental China obtained by global positioning system(GPS) measur
We obtain a unified horizontal velocity field of continental China and vicinity through measurements at 81 GPS stations provided by the National Key Infrastructure Project, Crustal Movement Observatio
期刊
Both of the oceanographic research by using altimetry and the application of InSAR of ERS-2 satellite need the precise ephemerides of the satellite. In this note, the ERS-2 orbit is precisely determin
期刊
By using a high-precision LaCoste-Romberg (D-122#) gravimeter, continuous and precise measurements were carried out during the March 9,1997 total solar eclipse in the Mohe region in Northeast China. T
期刊