| 略论海洋测高卫星GPS厘米级定轨的实施基础 |
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| 引用本文： | 刘基余.略论海洋测高卫星GPS厘米级定轨的实施基础[J].海洋测绘,2010,30(6):1-4. |
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| 作者姓名： | 刘基余 |
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| 作者单位： | 武汉大学测绘学院; |
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| 摘 要： | 基于对多种飞机的机载GPS测量实践,认为我国HY-2海洋二号卫星实现厘米级精度的星载GPS定轨测量的基础是:选择适合天线,捕获多颗在视GPS卫星;注重天线安装位置,减弱多路径效应影响;选择适合GPS信号接收机,确保星载GPS测量数据优质。
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| 关 键 词： | 海洋测高卫星 星载GPS定轨 GPS信号接收天线 GPS信号接收机 多路径效应 |
On the Attainable Basic of Centimeter Level Orbit Determinations with GPS for Ocean Altimetry Satellites |
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| LIU Ji-yu.On the Attainable Basic of Centimeter Level Orbit Determinations with GPS for Ocean Altimetry Satellites[J].Hydrographic Surveying and Charting,2010,30(6):1-4. |
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| Authors: | LIU Ji-yu |
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| Institution: | LIU Ji-yu(School of Geodesy and Geomatics,Wuhan University,Wuhan,Hubei,430079) |
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| Abstract: | Based on airborne GPS measurement practice for some aircrafts,the author believes that the following three aspects can help achieving centimeter-level accuracy of satellite-borne GPS orbit determinations for Chinese HY-2 ocean altimetry satellite:selecting the appropriate antenna for capturing many GPS satellites in the visibility;focussing on the antenna installation location,so as to reduce multipath effects;selecting the appropriate GPS receiver for ensuring high-quality data of satellite-borne GPS measu... |
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| Keywords: | ocean altimetry satellites satellite-borne GPS orbit determinations GPS signal receiving antenna GPS receiver multipath effects |
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