[1]马 丹.高精度F-P干涉具在CO2浓度反演中的研究[J].江西师范大学学报(自然科学版),2018,(06):639-643.[doi:10.16357/j.cnki.issn1000-5862.2018.06.16]
 MA Dan.The Study on the High Accuracy F-P Interferometer in the Retrieval of CO2 Concentration[J].,2018,(06):639-643.[doi:10.16357/j.cnki.issn1000-5862.2018.06.16]
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高精度F-P干涉具在CO2浓度反演中的研究()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年06期
页码:
639-643
栏目:
物理学
出版日期:
2018-12-20

文章信息/Info

Title:
The Study on the High Accuracy F-P Interferometer in the Retrieval of CO2 Concentration
文章编号:
1000-5862(2018)06-0639-05
作者:
马 丹
长春理工大学光电信息学院,吉林 长春 130000
Author(s):
MA Dan
College of Optical and Electronical Information,Changchun University of Science and Technology,Changchun Jilin 130000,China
关键词:
F-P干涉仪 CO2浓度监测 高精度控制 光谱数据立方
Keywords:
F-P interferometer CO2 concentration monitoring high precision control spectral data cube
分类号:
O 433.1
DOI:
10.16357/j.cnki.issn1000-5862.2018.06.16
文献标志码:
A
摘要:
为了对大气中CO2浓度的分布进行高精度的实时监测,并与被测区域2维图像构成光谱数据立方,设计了一种基于高精度数字控制的F-P干涉系统.通过对F-P两镜间微位移的高精度数字控制,实现光程差的周期性扫描,从而得到光谱数据立方.通过仿真分析了控制命令与压电信号的时序逻辑,并对光谱抽样进行了模拟计算.实验中系统的光谱调制带宽为761.52~762.56 nm,光谱分辨率为0.01 nm,测试CO2浓度范围为10~400 ppm,由TSI-7575型高精度CO2检测器标定.结果显示:该系统相对误差的平均值为1.04%,绝对误差平均值为1.52 ppm,符合设计要求.
Abstract:
In order to carry out high-precision real-time monitoring of the distribution of CO2 concentration in the atmosphere and form a spectral data cube with two-dimensional images of the measured area,a F-P interference system based on high-precision digital control is designed.The periodic scanning of the F-P between the two mirrors is performed by high-precision digital control.At the same time,it realizes the periodic scanning of the optical path difference.Finally,the spectral data cube can be obtained.Through the simulation,the piezoelectric signal with the control command and the timing logic are analyzed,and the spectral sampling is simulated.In the experiment,the spectral bandwidth of the system is 761.52-762.56 nm,the spectral resolution is 0.01 nm,and the CO2 concentration is in the range of 10-400 ppm.The test data is calibrated by the TSI-7575 high precision CO2 detector.The experimental results show that the average error of the system is about 1.04%,the absolute error is 1.52 ppm,and it is in line with the design needs.

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备注/Memo

备注/Memo:
收稿日期:2018-04-27
基金项目:国家自然科学基金(61703055)资助项目.
作者简介:马 丹(1984-),女,吉林长春人,讲师,主要从事数据库设计、Java程序设计和网络安全的研究.E-mail:madannuc@sina.com
更新日期/Last Update: 2018-12-20