| 卫星锐波束天线指向算法及仿真 |
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| 引用本文： | 高照照,杨慧. 卫星锐波束天线指向算法及仿真[J]. 中国空间科学技术, 2008, 28(2): 60-65 |
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| 作者姓名： | 高照照 杨慧 |
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| 作者单位： | 中国空间技术研究院,中国空间技术研究院 北京100094,北京100094 |
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| 摘 要： | 推导了卫星锐波束天线指向算法,给出了简化计算模型和仿真结果。文章所给出的天线指向算法是在已知卫星轨道和姿态的基础上,计算锐波束天线指向点二维转动角度的公式,实现卫星动态过程对指向点的保持;通过仿真给出指向点精度和姿态精度的关系,给出自主生成控制函数的简化模型,同时也验证了该算法的正确性,算法可作为星上自主计算的依据。
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| 关 键 词： | 窄波束天线 姿态 天线指向 卫星 |
| 修稿时间： | 2007-12-02 |
Arithmetic and Analysis of Phased Array Scanning |
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| Gao Zhaozhao,Yang Hui. Arithmetic and Analysis of Phased Array Scanning[J]. Chinese Space Science and Technology, 2008, 28(2): 60-65 |
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| Authors: | Gao Zhaozhao Yang Hui |
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| Abstract: | The arithmetic of satellite phased array scanning was deduced and a simplified model for on board phased array scanning was presented.The arithmetic in this paper gave out the formula of computing the planar angle of satellite phased array scanning based on the satellite orbit and attitude,and during the flight the phased array kept pointing to targeted point.According to the simulation,the relationship between pointing precision and attitude precision is achieved,a simplified model of autonomous control is provided,and meanwhile,the validity of the arithmetic is proved.The arithmetic can act as a basis for on-board autonomous computation. |
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