长基线GPS测量结果的分析  

ANALYSIS OF THE GPS SURVEYING RESULT OF LONG BASELINE

作　　者：郑国忠[1] 畅毅 

机构地区：[1]清华大学,北京市100084 [2]长庆油田物探处,宁夏吴忠751104

出　　处：《勘察科学技术》1994年第6期44-46,49,共4页Site Investigation Science and Technology

摘　　要：本文应用685km基线多口GPS观测结果,进行了多方案的试验计算,在大量计算数据的统计分析基础上,探讨了伪距定位精度、基线分量精度、基线长精度、大地高程差精度、真方位角精度、卫星截止高度角的选择和实测气象参数的应用效果等问题,由此得出几点结论.Applying many days GPS observation results of 085 km baseline, making multi-schemes testing calculation, on the basis of statistical analysis of a large amount of calculating data, this paper discusses the following problems: precision of pseudorange positioning, precision of baseline component, precision of baseline, precision of the ellipsoidal elevation difference, precision of the true bearing, choice of the satellite cut-off elevation angle, and the applying effect of actually measured meteorological parameters, Thence, several conclusions have been obtained.

关 键 词：长基线 GPS 测量结果 

分 类 号：P228[天文地球—大地测量学与测量工程]