Main aperture area measurement of the SIAR

	Main aperture area measurement of the SIAR
	Chen, X.; W. Fang; Z. Yang; Z. Xia and Y. Wang
	2015
发表期刊	Guangxue Xuebao/Acta Optica Sinica
卷号	35 期号:9
摘要	For solar irradiance absolute radiometer (SIAR) boarded on meteorological satellites, the main aperture of known area plays an important role. The uncertainty of the main aperture area is at present one of the largest components of the uncertainty in SIAR measurement. The effective area method is a way to measure the main aperture area. It defines the main aperture area based on the aperture of beam-limiting effect in radiometric measurement. Through a superposition of Gaussian beams to generate a known constant irradiance covers the surface of the measured apertures. The ratio of the flux to the irradiance gives the aperture area. We introduce the SIAR, and expound theoretical analysis of the measurement method using Matlab and TracePro software to make simulations. Put forward the specific measurement scheme, and make the uncertainty budget of the measurement device. The combined measurement uncertainty of the main aperture is about 8.210-5. This method improves the measurement accuracy of the main aperture, makes the uncertainty of the irradiance measurement about the SIAR from 810-4to 6.310-4. , 2015, Chinese Optical Society. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56158
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Chen, X.,W. Fang,Z. Yang,et al. Main aperture area measurement of the SIAR[J]. Guangxue Xuebao/Acta Optica Sinica,2015,35(9).
APA	Chen, X.,W. Fang,Z. Yang,&Z. Xia and Y. Wang.(2015).Main aperture area measurement of the SIAR.Guangxue Xuebao/Acta Optica Sinica,35(9).
MLA	Chen, X.,et al."Main aperture area measurement of the SIAR".Guangxue Xuebao/Acta Optica Sinica 35.9(2015).

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