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光学传感器星上定标漫射板空间稳定性测试与分析 被引量:8

Space Stability Measurement and Analysis of Diffuser Panel Used for On-Board Calibration for Satellite Optical Sensors
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摘要 对光学传感器星上定标漫射板进行了研究,考查其在航天环境下的稳定性和适应性。漫射板经振动冲击、高低温循环、热真空和紫外辐照等系列环境模拟试验仍然保持良好的光学特性;紫外辐照前后其在350 nm处的反射率衰变不超过3%,分析认为这种紫外辐照下的反射率衰变是由于污染所致,通过改进工艺和环境控制是可以消除的;同时,漫射板通过了空间力学环境试验。研制的星上定标漫射板的空间稳定性能够满足航天应用要求。 This paper studied the diffuser panel used for onboard calibration for satellite optical sensors. In order to investigate it’s stability and the adaptability under spatial environment,a series of environment simulation tests such as vibration and shock,temperature cyclic,vacuum bakeout and UV/VUV were planed and implemented. The diffuser’s optical properties were retentive after tests. The difference of reflectance at 350nm before and after UV/VUV test is within 3%. Analysis shows that some degradation of optical properties under UV radiation has been linked to degradation of contaminants,which can be prevented by improvement of production protocol and environment control. At the same time,the diffuser panel goes though space level mechanical environment tests. So,the space stability of the diffuser panel used for onboard calibration can satisfy the spatial application demand.
作者 杨本永 张黎明 杨宝云 乔延利 Yang Benyong Zhang Liming Yang Baoyun Qiao Yanli (Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics Chinese Academy of Sciences, Hefei, Anhui 230031, China)
出处 《中国激光》 EI CAS CSCD 北大核心 2009年第11期3026-3030,共5页 Chinese Journal of Lasers
基金 国防科学技术工业委员会项目和十五国家民用航天重点预研项目资助课题。
关键词 遥感 空间稳定性 环境试验 星上定标漫射板 反射率 remote sensing space stability environment simulation tests diffuser panel used for on-board calibration reflectivity
作者简介 杨本永(1976-),男,助理研究员,博士研究生,主要从事卫星遥感器辐射定标方面的研究。Email:byyang@aiofm.ac.cn 导师简介:张黎明(1958-),男,研究员,博士生导师,主要从事漫反射与光学辐射定标方面的研究。E-mail:lmzhang@aiofm.ac.cn
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