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Alternative TitleStudy on the Slitfunction Test Method Based on Hyperspectral Imaging Instrument
毛靖华; 王咏梅; 石恩涛; 张仲谋; 江芳
Source Publication光学与光谱分析
Keyword狭缝函数 高光谱成像光谱仪 大气微量气体 中阶梯衍射光栅
Other AbstractIn order to meet the needs of high-precision measurements of atmospheric trace constituents, accurate description the slitfunction of the detector for atmosperic element measurements is required. Considering the characteristic of large field, wide wavelength range, high spatial and spectral resolution, a slitfunction measurement stimulus has been developed. Firstly the theory of slitfunction measurement was supplied. The slitfunction measurement can output high-resolution and wide spectrum and the slit function of the detector for atmosperic element measurements was tested by building an experimental device, The mathematical expression was offered accurately, and the results were analyzed. The results show that: the spectral resolution is about 0. 423 similar to 0. 597 nm of the detector for hyperspectral atmospheric element measurements, and the slitfunction approximating Gaussian distribution. Since the large field of the detector for hyperspectral imaging instrument, a phenomenon of smiling was appealed. This result led to the spectral resolution in the edge of the field slightly below that in the center of the field. For accurate and complete measurement of the slitfunction an echelle monochromator has been developed, which offers a number of high resolution spectral lines, that can be used to spectral calibration.
Indexed BySCI ; EI ; CSCD
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Document Type期刊论文
Corresponding Author王咏梅
Recommended Citation
GB/T 7714
毛靖华,王咏梅,石恩涛,等. 星载高光谱成像光谱仪狭缝函数测试方法的研究[J]. 光学与光谱分析,2017,37(4):1286-1290.
APA 毛靖华,王咏梅,石恩涛,张仲谋,&江芳.(2017).星载高光谱成像光谱仪狭缝函数测试方法的研究.光学与光谱分析,37(4),1286-1290.
MLA 毛靖华,et al."星载高光谱成像光谱仪狭缝函数测试方法的研究".光学与光谱分析 37.4(2017):1286-1290.
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