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氧气A吸收带平均透过率的多光谱非成像测量

Multi-Spectral Non-Imaging Measurement for Average Transmission of Oxygen A Absorption Band

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摘要

为了解决氧气A吸收带被动测距中使用高光谱成像系统存在测量实时性差的问题,提出了一种氧气A吸收带平均透过率的多光谱非成像测量方法。该方法利用3个窄带滤光片分别采集目标位于氧气A吸收带及其左右带肩的辐射强度信息。选择光电倍增管作为光电转换器件,在外场条件下开展氧气A吸收带平均透过率测量实验。建立了氧气A吸收带透过率的逐线积分模型,通过对比实验测量值与模型理论值验证了该方法的可行性。对比结果表明,在测量距离为100~400 m范围内,氧气A吸收带平均透过率的测量误差在0.146%~1.576%之间,证明了该方法的可行性。

Abstract

In order to solve the problem of the poor real-time measurement caused by a hyperspectral imaging system in passive ranging based on oxygen A absorption band, a method of multi-spectral non-imaging measurement for the average transmission of oxygen A absorption band is proposed. In this method, the radiation intensity information of targets located in oxygen A absorption band and its left and right band shoulders is collected by three narrow band filters. Experiments are carried out to measure the average transmission of oxygen A absorption band in the external field, and a photomultiplier tube is used as the photoelectric converter. A line-by-line integral model for oxygen A absorption band transmission is built, and the feasibility of the proposed method is verified when we compare the experimental results with the theoretical results. The contrast results show that the measurement error of oxygen A absorption band average transmission is from 0.146% to 1.576% within the range of 100-400 m, which proves the feasibility of the proposed method.

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中图分类号:TN976;TN219

DOI:10.3788/aos201737.0401003

所属栏目:大气与海洋光学

基金项目:河北省自然科学基金(F2016506014)

收稿日期:2016-12-02

修改稿日期:2017-01-03

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作者单位    点击查看

余皓:军械工程学院电子与光学工程系, 河北 石家庄 050003
刘秉琦:军械工程学院电子与光学工程系, 河北 石家庄 050003
张瑜:北京系统工程研究所, 北京 100101
闫宗群:装甲兵工程学院控制工程系, 北京 100072
华文深:军械工程学院电子与光学工程系, 河北 石家庄 050003
胡文刚:军械工程学院电子与光学工程系, 河北 石家庄 050003

联系人作者:余皓(csujianyuoptic@163.com)

备注:余皓(1989-),男,博士研究生,主要从事光电对抗方面的研究。

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引用该论文

Yu Hao,Liu Bingqi,Zhang Yu,Yan Zongqun,Hua Wenshen,Hu Wengang. Multi-Spectral Non-Imaging Measurement for Average Transmission of Oxygen A Absorption Band[J]. Acta Optica Sinica, 2017, 37(4): 0401003

余皓,刘秉琦,张瑜,闫宗群,华文深,胡文刚. 氧气A吸收带平均透过率的多光谱非成像测量[J]. 光学学报, 2017, 37(4): 0401003

被引情况

【1】闫宗群,谢志宏,陈 剑,杨建昌,陈静华. 单目多光谱氧气吸收被动测距系统光谱通道参数分析. 光学学报, 2017, 37(10): 1001002--1

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