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太阳同步轨道卫星光学特性

申文涛 朱定强 石良臣 蔡国飙

申文涛, 朱定强, 石良臣, 等 . 太阳同步轨道卫星光学特性[J]. 北京航空航天大学学报, 2013, (1): 6-10.
引用本文: 申文涛, 朱定强, 石良臣, 等 . 太阳同步轨道卫星光学特性[J]. 北京航空航天大学学报, 2013, (1): 6-10.
Shen Wentao, Zhu Dingqiang, Shi Liangchen, et al. Optical properties of sun synchronous orbit satellite[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (1): 6-10. (in Chinese)
Citation: Shen Wentao, Zhu Dingqiang, Shi Liangchen, et al. Optical properties of sun synchronous orbit satellite[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (1): 6-10. (in Chinese)

太阳同步轨道卫星光学特性

基金项目: 总装备部航天研发中心资助项目
详细信息
  • 中图分类号: V 443

Optical properties of sun synchronous orbit satellite

  • 摘要: 为了分析太阳同步轨道卫星的光学特性,对FY-1卫星的可见光和红外波段光学信号进行了仿真计算和模拟试验验证.通过对外部辐射及内部热源的分析,计算了卫星的温度场,采用随机起伏表面算法模拟表面覆盖材料外表面,通过阴影遮挡判断及双向反射分布函数(BRDF, Bi-directional Reflectance Distribution Function)模型计算卫星对外部辐射的反射特性,编程计算得到在可见光0.4~1.0μm和红外8~14 μm,14~16 μm波段下卫星的光学特性.结果表明红外辐射亮度与表面温度相关,8~14 μm最大约90 W/(m2·sr)、14~16 μm最大约20 W/(m2·sr).空间可见光辐射强度具有明显的镜面反射效应,卫星主体峰值2 200 W/sr.通过地面模拟测量空间目标的温度和红外辐射验证了温度及红外辐射仿真计算模型,可见光辐射强度仿真计算结果与地面模型卫星测量结果误差在20%以内.

     

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出版历程
  • 收稿日期:  2011-09-19
  • 网络出版日期:  2013-01-31

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