一种基于单元型红外光谱辐射计的成像光谱数据获取系统设计

doi:10.3964/j.issn.1000-0593(2010)10-2853-04

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摘要：依据单元非成像型光谱辐射计的特点，提出了一种单元非成像型红外光谱辐射计的成像光谱数据获取系统。该系统采用在光谱辐射计前端加装扫描装置，结合同步控制器，实现光谱辐射计的空间扫描。利用光谱辐射计提供的接口，完成了采集获得的成像光谱数据的批量定标。该系统可达到500×500像素的空间分解能力，光谱范围667～5 000 cm^-1, 光谱分辨率为1 cm^-1, 空间视场角为150°，瞬时视场角为0.3°。将该系统应用于实际的场景光谱数据获取，通过对得到的实验数据分析和比较，说明本文给出的基于非成像光谱辐射计的成像数据获取系统，能够实现实际场景的成像光谱数据获取，能够满足实时性要求不太高的成像光谱数据获取。

关键词：光谱辐射计;非成像;光谱;成像

Abstract：According to the characteristic of single-element detector and non-imaging spectroradiometer, a new imaging FTIR spectroradiometer system was developed for spectral data acquisition. This system is composed of a spectroradiometer, a synchronous controller and a scanning device. Using the data interface of spectroradiometer, spectral radiometric calibration can be achieved for the system. The image resolution is 500×500 pixels, spectral range is 667-5 000 cm^-1, spectral resolution is 1 cm^-1, and space Field of view is 150°, Instant Field of View is 0.3°. Experiments were held for actual data acquisition and data analysis was made. The analysis result indicates that the proposed system is adequate for non-realtime imaging spectral data acquisition.

Key words：Spectroradiometer;Non-imaging;Spectrum;Imaging

收稿日期: 2010-03-08 修订日期: 2010-06-20

中图分类号:

TN216

通讯作者: 宗靖国 E-mail: zongjg@126.com

引用本文:

宗靖国，张建奇，刘德连，袁胜春 . 一种基于单元型红外光谱辐射计的成像光谱数据获取系统设计 [J]. 光谱学与光谱分析, 2010, 30(10): 2853-2856.
ZONG Jing-guo, ZHANG Jian-qi, LIU De-lian, YUAN Sheng-chun . A New Imaging FTIR Spectroradiometer . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2010, 30(10): 2853-2856.

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