大气环境红外甚高光谱分辨率探测仪光谱定标 
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Spectral calibration of atmosphere hyper-spectral resolution infrared sounder
图 & 表
图 1. 干涉仪子系统光路图
Fig. 1. Optical path diagram of interferometer subsystem
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图 2. 仪器线形函数
Fig. 2. Instrument line shape function
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图 3. 探测仪光谱定标示意图
Fig. 3. Schematic diagram of spectral calibration for sounder
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图 4. InSb通道光谱定标拟合结果
Fig. 4. Fitting curve of spectral calibration in channel InSb
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图 5. MCT通道光谱定标拟合结果
Fig. 5. Fitting curve of spectral calibration in channel MCT
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图 6. 气体池测试系统示意图
Fig. 6. Schematic diagram of gas cell test system
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图 7. CH4光谱校正前后局部图
Fig. 7. Local spectrogram before and after CH4 calibration
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图 8. NH3光谱校正前后局部图
Fig. 8. Local spectrogram before and after NH3 calibration
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表 1光谱定标测试数据
Table1. Test data of spectral calibration
cm−1
| InSb通道探测仪测量值 | 波长计测量值 | MCT通道探测仪测量值 | 波长计测量值 | | 2545.4204 | 2547.9550 | 1313.9934 | 1315.3049 | | 2561.2687 | 2563.8197 | 1310.2876 | 1311.5953 | | 2529.7101 | 2532.2296 | 1306.5707 | 1307.8746 | | 2498.6756 | 2501.1644 | 1301.588 | 1302.8863 | | 2513.708 | 2516.2119 | 1297.5898 | 1298.8848 | | 2507.3784 | 2509.8755 | 1293.8811 | 1295.1726 | | 2487.6567 | 2490.1340 | 1288.8869 | 1290.1731 | | 2482.7857 | 2485.2580 | 1281.8907 | 1283.1694 | | 2466.5928 | 2469.0495 | 1300.5835 | 1301.8819 | | 2452.3466 | 2454.7900 | 1303.5771 | 1304.8779 | | 2444.9738 | 2447.4090 | 1308.2883 | 1309.5938 |
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表 2InSb通道气体吸收峰验证数据
Table2. Test data of gas absorption peak in channel InSb
cm−1
| 定标前探测仪测量值 | 定标后探测仪测量值 | HITRAN数据库值 | 定标差值 | | 2177.6026 | 2179.7728 | 2179.7719 | 0.0009 | | 2181.0508 | 2183.2244 | 2183.2238 | 0.0006 | | 2174.1168 | 2176.2835 | 2176.2835 | 0.0000 | | 2167.0401 | 2169.1998 | 2169.1979 | 0.0019 | | 2163.4478 | 2165.6039 | 2165.601 | 0.0029 | | 2184.4619 | 2186.6389 | 2186.639 | −0.0001 | | 2955.2885 | 2958.2300 | 2958.2329 | −0.0029 | | 2955.0728 | 2958.0141 | 2958.0172 | −0.0031 | | 2955.1762 | 2958.1176 | 2958.12 | −0.0024 | | 2955.5923 | 2958.5341 | 2958.5362 | −0.0021 | | 2945.5397 | 2948.4715 | 2948.4741 | −0.0026 | | 2945.4907 | 2948.4224 | 2948.4214 | 0.0010 | | 2945.1781 | 2948.1095 | 2948.1079 | 0.0016 | | 2944.9814 | 2947.9126 | 2947.9121 | 0.0005 | | 2944.88 | 2947.8111 | 2947.8109 | 0.0002 |
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表 3MCT通道气体吸收峰验证数据
Table3. Test data of gas absorption peak in channel MCT
cm−1
| 定标前探测仪测量值 | 定标后探测仪测量值 | HITRAN数据库值 | 定标差值 | | 1010.1963 | 1011.2009 | 1011.2036 | −0.0027 | | 1011.4367 | 1012.4426 | 1012.4451 | −0.0025 | | 1012.1666 | 1013.1732 | 1013.1755 | −0.0023 | | 1029.3960 | 1030.4200 | 1030.4224 | −0.0024 | | 1031.1034 | 1032.1291 | 1032.1310 | −0.0019 | | 1032.2867 | 1033.3136 | 1033.3158 | −0.0022 | | 1033.2150 | 1034.2429 | 1034.2448 | −0.0019 | | 1048.3017 | 1049.3448 | 1049.3464 | −0.0016 | | 1050.4645 | 1051.5098 | 1051.5120 | −0.0022 | | 1052.0821 | 1053.1290 | 1053.1305 | −0.0015 | | 1053.2021 | 1054.2502 | 1054.2527 | −0.0025 | | 1053.8612 | 1054.9099 | 1054.9126 | −0.0027 | | 1066.9105 | 1067.9724 | 1067.9744 | −0.0020 |
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柯君玉, 王东杰, 郭永祥, 张梦雨, 刘军航. 大气环境红外甚高光谱分辨率探测仪光谱定标[J]. 应用光学, 2020, 41(4): 723. Junyu KE, Dongjie WANG, Yongxiang GUO, Mengyu ZHANG, Junhang LIU. Spectral calibration of atmosphere hyper-spectral resolution infrared sounder[J]. Journal of Applied Optics, 2020, 41(4): 723.
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