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论述了空间姿态敏感器表面材料测量的基本原理,即光谱漫反射基本原理和光谱相对空间反射分布测量原理。通过上述测量可以全面地考察敏感器表面材料对不同光谱成分的反射能力,以及光辐射在材料表面的反射情况。结果表明,敏感器表面材料在入射和反射角大于60°的近红外区(波长为800~2500nm),敏感器表面材料的反射辐射能量明显升高了。在紫外至可见光区(波长为250~700nm),在入射和反射角小于60°的条件下,反射辐射能量很低。
The basic principle of measuring the surface material of space attitude sensor is discussed, that is, the basic principle of spectral diffuse reflection and the measurement principle of relative spatial reflection distribution of spectrum. Through the above measurements can fully examine the sensor surface material on the different spectral components of the reflection capability, as well as optical radiation in the material surface reflection. The results show that the surface energy of the sensor is obviously increased in the near infrared region (wavelength is 800 ~ 2500nm) when the incidence and reflection angle is greater than 60 °. In the UV to visible region (wavelength of 250 ~ 700nm), the incident radiation and the reflection angle is less than 60 ° conditions, the reflected radiation energy is low.