| 航天测量船坞内标校基准计算的新方法 |
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| 引用本文： | 刘新江,陈勤勤.航天测量船坞内标校基准计算的新方法[J].海洋测绘,2012(1):18-21. |
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| 作者姓名： | 刘新江 陈勤勤 |
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| 作者单位： | 61365部队,天津300140 |
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| 摘 要： | GPS测量直接获得点位的精确三维坐标,通过空间直角坐标系、大地坐标系、站心地平直角坐标系、站心极坐标系等一系列转换,再加入大气折光差改正和垂线偏差改正,就可以快速获得设备标校所需的精确基准。与采用常规测量方法、分别计算设备标校基准相比,不仅大大减少了工作量,还提高了计算结果的精度。
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| 关 键 词： | GPS测量 坞内标校 站心坐标系 大气折光差 垂线偏差 惯导甲板坐标系 |
A New Calculating Calibration Datum Method for Equipmenton Tracking Ship in Dry Dock |
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| LIU Xinjiang,CHEN Qinqin.A New Calculating Calibration Datum Method for Equipmenton Tracking Ship in Dry Dock[J].Hydrographic Surveying and Charting,2012(1):18-21. |
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| Authors: | LIU Xinjiang CHEN Qinqin |
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| Institution: | 1365 Troops,Tianjin 300140,China) |
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| Abstract: | GPS survey presents precise three-dimensional coordinates directly.Through coordinate transformations between space rectangular coordinate system,geodetic coordinate system,topocentric terrestrial rectangular coordinate system,and topocentric polar coordinate system,calibration datum can be calculated in addition to astronomic refraction error correction and vertical deflection correction.It is not only simpler but also more precise than the old method,and more convenient for dynamic calibration. |
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| Keywords: | GPS survey equipment calibration in dry dock topocentric coordinate system astronomic refraction error vertical deflection ship inertial navigation coordinate system |
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