| 双自旋同步气象卫星的姿态运动分析 |
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| 引用本文： | 刘良栋,李果.双自旋同步气象卫星的姿态运动分析[J].宇航学报,1994,15(4):1-9. |
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| 作者姓名： | 刘良栋 李果 |
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| 作者单位： | 北京控制工程研究所 |
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| 摘 要： | 本文建立了考虑各种偏差和带有步进辐射计的一般双自旋卫星的动力学模型，并引入平主轴坐标系概念，由线性分析给出摆动运动及章动运动的规律。通过引入瞬时主轴系，并考虑了辐射计偏的影响，导出了辐射计步进过程产生的章动运动的表达式，最后将线性分析结果与非线性模型数学仿真进行了对比，结果表明两者相当一致。
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| 关 键 词： | 双自旋 同步气象卫星 姿态运动 |
ANALYSIS ON THE ATTITUDE MOTION OF A DUAL-SPIN GEOSTATIONARY METEOROLOGICAL SATELLITE |
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| Liu Liangdong, Li Guo, Li Baoshou.ANALYSIS ON THE ATTITUDE MOTION OF A DUAL-SPIN GEOSTATIONARY METEOROLOGICAL SATELLITE[J].Journal of Astronautics,1994,15(4):1-9. |
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| Authors: | Liu Liangdong Li Guo Li Baoshou |
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| Institution: | Dening Institute of Control Engineering |
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| Abstract: | In this paper a general dynamic model of Dual-spin geostationary meteorological satellite with a stepping radiometer has been derived by taking account of various kind of errors. A concept of the mean principal axis coordinate system is introduced and the solution of wobble and nutation motions are given through the linear analysis. By introducing an instantaneous principal axis coordinate system, the expression of nutation motion produced by stepping of the radiometer has been derived taking account of the disalignment of the mass center of the radiometer. Finally the comparision of linear analysis with numerical simulation of non-linear model shows a negligible difference. |
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| Keywords: | Dual-spin Meteorological satellite Attitude motion |
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