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中文摘要：
选取Sumi Net网中的8个测站,采用快速精密星历和快速精密钟差,利用TriP软件以较优的处理策略对8个测站2009-09的GPS数据进行天顶对流层解算,并用于反演大气可降水量。结果表明,TriP软件近实时解算的PW系列值与NOAA提供的实时PW系列具有较高的符合度,两者差值的平均偏差小于0.5mm,RMS值优于1.3 mm。
英文摘要：
In this paper,the PPP method used for ZWD（zenith wet delay） estimation and the method of PW inversion were investigated.And adopting different Tm model＇s affect to the PW＇s precision is analysized.The ZWD and PW of some SuomiNet stations are solved using the software TriP designed by Wuhan University.The results were compared with the ZWD and PW result provided by NOAA.For the resolution of the ZWD results solved by TriP are lower than the results provided by NOAA.We get the corresponding results through interpolation.Most RMS of the ZWD difference between the results solved by TriP and the results provided by NOAA are within 8 mm.The RMS of the PW difference are less than 1.3 mm.The analysis demonstrate that a good agreement between the PW results solved by PPP method and PW results provided by NOAA are achieved.
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