| 基于GPS信噪比观测值的水位反演研究 |
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| 引用本文： | 程文.基于GPS信噪比观测值的水位反演研究[J].全球定位系统,2020,45(1):105-109. |
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| 作者姓名： | 程文 |
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| 作者单位： | 中冶集团武汉勘察研究院有限公司,湖北武汉430080 |
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| 摘 要： | 介绍了利用GPS信噪比(SNR)数据反演水位变化的原理．选取Calcasieu Pass GPS站的SNR数据反演水位变化,并与附近验潮站监测数据进行对比,两者表现出很好的一致性,两者的相关系数优于0.80,RMSE在8 cm左右,验证了基于GPS SNR数据监测海平面变化的可行性和可靠性,通过不同时段和时长的试验分析,证明了岸基GPS站可连续对水位进行监测．
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| 关 键 词： | GPS-R 信噪比 验潮站 海平面 水位变化 |
Research on water level inversion based on GPS SNR data |
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| CHENG Wen.Research on water level inversion based on GPS SNR data[J].Gnss World of China,2020,45(1):105-109. |
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| Authors: | CHENG Wen |
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| Institution: | Wuhan Surveying-Geotechnical Research Institute Co., Ltd. of MCC, Wuhan 430080, China |
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| Abstract: | The principle of inversion of water level changes using GPS signal-to-noise ratio data is described in detail.Comparing the water level change with the signal-to-noise ratio of the Calcasieu Pass GPS station and the data monitored by the tide station,they show good consistency.The correlation coefficient is better than 0.96,and the RMSE is about 8 cm.The results further validate the feasibility and reliability of monitoring sea level changes based on GPS signal-to-noise ratio data.Through the test and analysis of different periods and time length,it is proved that the shore based GPS station can continuously monitor the water level. |
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| Keywords: | GPS-R SNR tide station sea level water level change |
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