探测器横纹误差对大孔径静态干涉成像光谱仪影响的建模与修正

doi:10.3964/j.issn.1000-0593(2012)04-1137-05

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摘要：大孔径静态干涉成像光谱技术在航天遥感应用中，由于探测器横纹误差影响，使获得的干涉数据无法反演光谱数据，需要对横纹误差进行修正。通过对干涉成像机理的分析，给出探测器横纹误差影响下的干涉成像模型，提出横纹误差影响下干涉数据修正方法。最后利用仪器获取的数据，对提出的修正方法进行验证，由处理结果可以看出，本文所提的修正方法可以很好的修正横纹误差对光谱的影响，提高反演光谱的精度。

关键词：成像光谱技术;大孔径;光谱反演;横纹误差

Abstract：When the large aperture static imaging spectrometry (LASIS) was used in spaceborne remote sensing, the spectrum could not be well recovered from the interferogram with detector lateral fringe error. In order to obtain the more accurate spectrum, the error must be corrected. According to the imaging principle analysis of LASIS, the imaging model with lateral fringe error was given, and the error correction method was presented. Finally, the error correction method was validated with the data acquired by LASIS system. The results indicated that the error was commendably corrected by the method mentioned above, and the accuracy of recovered spectrum was evidently improved.

Key words：Imaging spectrometry;Large aperture;Spectrum recovery;Lateral fringe error

收稿日期: 2011-07-27 修订日期: 2011-10-26

中图分类号:

TP391.9

通讯作者: 吕群波 E-mail: lvqunbo@aoe.ac.cn

引用本文:

相里斌¹, 吕群波^1*, 袁艳², 黄旻¹, 周锦松¹, 张桂峰¹ . 探测器横纹误差对大孔径静态干涉成像光谱仪影响的建模与修正[J]. 光谱学与光谱分析, 2012, 32(04): 1137-1141.
XIANGLI Bin¹, Lü Qun-bo^1*, YUAN Yan², HUANG Min¹, ZHOU Jin-song¹, ZHANG Gui-feng¹ . Modeling and Correction of the Effect of Detector Lateral Fringe Error in the Large Aperture Static Imaging Spectrometer . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(04): 1137-1141.

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