大地测量学  

出　　处：《中国学术期刊文摘》2008年第3期113-114,共2页Chinese Science Abstracts(Chinese Edition)

摘　　要：对我国二代卫星导航系统覆盖范围向北扩展星座方案的探讨;盾构工程竖井联系测量数据处理方法研究；确定1°×1°厘米级全球大地水准面的模拟实验；联合卫星重力和卫星测高资料研究热容海平面季节性变化；用地基GPS观测资料映射三维电离层剖面……On constellation scheme of 2nd generation Of China satellite navigation system for northward extending coverage range;An improved data processing method of shaft affiliation survey of shield engeering;Simulation test for determinning 1°× 1° global geoid with centimeter-level accuracy ;On seasonal steric sea level variations by combining GRACE with satellite altimetry data;Mapping 3D ionospheric profiles using ground-based GPS measurements……

关 键 词：大地测量学 GPS观测资料 卫星导航系统 数据处理方法 竖井联系测量 大地水准面 季节性变化 星座方案 

分 类 号：P22[天文地球—大地测量学与测量工程] P228.4[天文地球—测绘科学与技术]