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Benefit of Multi GNSS Processing with GPS, GLONASS, and QZSS for Tropospheric Monitoring

机译:GPS,GLONASS和QZSS的多GNSS处理对流层监测的好处

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We have developed multi GNSS processing system withGPS, GLONASS, and QZSS for meteorologicalapplication of GNSS tropospheric delay estimates.Satellite clock products generated with RTNet based onregional GNSS network, GEONET in Japan, are used inPPP processing experiments for about 7 months fromNovember 25, 2012 to the middle of July, 2013.High-rate satellite clock products generated continuouslywith RTNet for the period based on regional GEONEThave similar quality with final satellite clock productsprovided by JAXA. The satellite clock products are usedfor multi-GNSS continuous (seamless) PPP processing.Additions of GLONASS and QZSS to GPS onlyprocessing show improvements both for kinematiccoordinate and ZTD solutions, especially in the periodwith lower number of GPS satellites. Post-fit residualfrom all three GNSS could reproduce similar sitedependentphase multipath effects. In addition, similarpattern of post-fit residuum are observed among GPS,GLONASS, and QZSS in active weather conditions.This paper summarizes multi-GNSS ZTD processingsystem for meteorology, validate multi-GNSS satelliteclocks used for PPP, compare quality of the troposphericdelay products based on the multi-GNSS processingsystem, and discuss on benefit of multi-GNSS processingfor meteorological application.
机译:我们开发了具有以下功能的多GNSS处理系统: GPS,GLONASS和QZSS用于气象 GNSS对流层延迟估计的应用。 使用RTNet生成的卫星时钟产品基于 区域GNSS网络(日本GEONET)用于 从大约7个月开始的PPP处理实验 2012年11月25日至2013年7月中旬。 连续产生高速率卫星时钟产品 基于区域GEONET的RTNet期间 与最终的卫星时钟产品具有相似的质量 由JAXA提供。使用卫星时钟产品 用于多GNSS连续(无缝)PPP处理。 仅将GLONASS和QZSS添加到GPS 处理在运动学方面均显示出改进 协调和ZTD解决方案,尤其是在此期间 GPS卫星数量较少的情况。拟合后残差 来自所有三个GNSS的数据都可以复制类似的站点依赖 相位多径效应。另外,类似 在GPS中观察到了拟合后残留的模式, 活跃天气条件下的GLONASS和QZSS。 本文总结了多GNSS ZTD处理 气象系统,验证多颗GNSS卫星 用于PPP的时钟,比较对流层的质量 基于多重GNSS处理的延迟产品 系统,并讨论多GNSS处理的好处 用于气象。

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