| GPS定位中的矢量算法研究 |
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| 引用本文： | 孙伟,肖建华,严小平,王祥.GPS定位中的矢量算法研究[J].工程勘察,2012(9):65-68. |
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| 作者姓名： | 孙伟 肖建华 严小平 王祥 |
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| 作者单位： | [1]武汉大学测绘学院,武汉430079 [2]武汉市勘测设计研究院,武汉430022 |
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| 摘 要： | 在GPS定位算法中,有很多复杂的角度计算、坐标转换、误差改正等算法可通过矢量运算解决。本文以卫星高度角与方位角的确定、天线相位中心改正为例,简述了采用矢量法的计算方法,推导了矢量运算过程和公式,并通过实例计算验证了利用矢量法解决这些问题的优越性。
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| 关 键 词： | 矢量法 GPS 高度角 方位角 相位中心改正 |
Research of vector method in GPS positioning |
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| Sun Wei Xiao Jianhua Yan,Xiaoping,Wang Xiang.Research of vector method in GPS positioning[J].Geotechnical Investigation & Surveying,2012(9):65-68. |
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| Authors: | Sun Wei Xiao Jianhua Yan Xiaoping Wang Xiang |
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| Affiliation: | 1. School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China ; 2. Wuhan Geotechnical Engineering and Surveying Institute, Wuhan 430022, China) |
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| Abstract: | In GPS positioning, there are several complex computations of angle, coordinate transformations and error correction. Using vector method will be a good choice. Take the calculation of satellite elevation and azimuth and antenna phase center corrections for example, the paper introduces the method of vector, then infers to computational process and formula. At last, we show the superiority of using the vector method by examples. |
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| Keywords: | vector method GPS elevation azimuth phase center correction |
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