| 拟大地线航法的球体半径 |
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| 引用本文： | 丁佳波.拟大地线航法的球体半径[J].中国航海,1998(1):10-14. |
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| 作者姓名： | 丁佳波 |
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| 作者单位： | 中国航海图书出版社 |
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| 摘 要： | 根据航海实用的基本原理，提出了按拟大地线航行的球体半径——等角球半径（Ｒ＝６３５６８６３．０１９ｍ）。经比较证明，用该球体半径计算大圆航程和大圆航向角，比传统的等体积球半径、等距离球半径及地心纬度球半径精度高。
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| 关 键 词： | 等角球半径 航程误差 航向角 |
The Spherical Radius of the Approximate Geodetic Line Nautical Method |
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| Ding Jiabo.The Spherical Radius of the Approximate Geodetic Line Nautical Method[J].Navigation of China,1998(1):10-14. |
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| Authors: | Ding Jiabo |
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| Institution: | China Navigation Chart Press |
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| Abstract: | According to the navigational theory,a new spherical radius the conformal spherical radius (R=6 356 863.019 m) is given in navigation.By use of analysis of examples,the author proves that the spherical radius for calculation of spherical distance and spherical azimuth is of higher precision than the original equal volume and equal distance spherical radius and geocentric latitude spherical radius. |
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| Keywords: | conformal spherical Radius error of navigational distance course angle |
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