杜飞;郑南山;孙菲浩;

• 1:中国矿业大学

摘要(Abstract)：

针对地基GPS水汽探测过程中星历文件的选取对最终反演结果影响的问题,该文利用探空资料建立了一种新的香港季度加权平均温度计算公式,采用3种不同星历对GPS观测数据进行基线解算。通过MATLAB对反演的大气可降水量进行时间序列分析,3种不同星历反演的大气可降水量与探空数据的结果相似,均方差非常接近,快速星历与最终精密星历反演精度基本一致,超快速星历与最终精密星历的反演精度接近。此结果表明:不同星历的选取能够对最终反演结果产生影响,但影响可以近似忽略;最终精密星历可用于事后的高精度水汽反演,分析水汽的变化规律;快速星历结果可用于时效性快的水汽探测;超快速星历用于实时水汽探测,成为水汽探测的手段之一。

关键词(KeyWords)： 超快速星历;大气可降水量;时间序列;GPS

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 杜飞;郑南山;孙菲浩;

DOI: 10.16251/j.cnki.1009-2307.2019.09.007

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