| 离轴四反光谱成像仪的动态特性分析 |
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| 引用本文： | 袁涛,何欣,刘强.离轴四反光谱成像仪的动态特性分析[J].光学技术,2010,36(5). |
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| 作者姓名： | 袁涛 何欣 刘强 |
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| 摘 要： | 叙述了对离轴四反光谱成像仪进行动态特性分析的重要性。介绍了离轴四反光谱成像仪的光学系统和结构组成。简述了动态特性分析的基础理论,描述了离轴四反光谱成像仪的实体及有限元模型。给出了离轴四反光谱成像仪的动态特性分析模态频率数据,结果表明其基频为624.9Hz,满足设计要求。
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| 关 键 词： | 离轴四反 光谱成像仪 动态特性 |
Dynamic characteristics analysis of the four-mirror off-axis reflective spectrum imager |
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| YUAN Tao,HE Xin,LIU Qiang.Dynamic characteristics analysis of the four-mirror off-axis reflective spectrum imager[J].Optical Technique,2010,36(5). |
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| Authors: | YUAN Tao HE Xin LIU Qiang |
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| Abstract: | The importance of dynamic characteristic analysis of the four-mirror off-axis reflective spectrum imager is explained.Optical system and structural composition of the four-mirror off-axis reflective spectrum imager are introduced.Theory basis of dynamic characteristic analysis is simply described.Solid model and meshed model of the four-mirror off-axis reflective spectrum imager are described either.Modal frequency data of dynamic characteristic analysis of the four-mirror off-axis reflective spectrum imager is calculated.The result is that the base frequency of the four-mirror off-axis reflective spectrum imager is 624.9Hz.Design requirements are satisfied. |
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| Keywords: | four-mirror off-axis reflective spectrum imager dynamic characteristic |
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