星载超光谱大气主要温室气体监测仪载荷
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摘要
"高分五号"卫星是中国高分重大专项中第一颗高光谱分辨率卫星,共搭载有六台有效载荷,其中大气主要温室气体监测仪是实现CO_2、CH_4等温室气体探测的超光谱专用载荷。该载荷采用新型空间外差光谱技术原理,具有无运动部件分光、超光谱、光通量大等技术特色,是国际上首次实现基于该技术体制研制的温室气体载荷,且完全依托中国现有基础进行自主研制。文章主要介绍了大气主要温室气体监测仪探测原理及方案、在轨工作模式设计,研制过程中突破的一体化干涉仪胶合、星上定标、海洋耀斑观测等多项关键技术。阐述了载荷地面定标及性能验证等工作,对定标及测试数据进行了分析,结果表明该载荷性能已到达了国际同类载荷的先进水平。文章最后还对温室气体后续探测载荷发展提出了一些具体建议。
GF-5 Satellite, which has six payloads, is the first high spectral resolution satellite in the Chinese High Resolution Major Special Projects. The Main Greenhouse Gases Monitor Instrument(GMI) is one of the payloads to detect CO_2 and CH_4. The key technical principle of the payload is spatial heterodyne spectroscopy(SHS), which has the characteristic of no moving parts, hyperspectral resolution and high throughput. GMI is the first greenhouse payload based on SHS and is totally developed in China. The detection principle, conceptual design and operating mode on orbit are given. The key technologies such as integrated gluing, on-orbit calibration and ocean flare observing are resolved in the project. The calibration on ground and performance test are introduced and the calibration and test data are analyzed. The results show that the payload has achieved the same advanced level with other similar international payloads. Some specific advices about follow-up greenhouse detection are given.
GF-5 Satellite, which has six payloads, is the first high spectral resolution satellite in the Chinese High Resolution Major Special Projects. The Main Greenhouse Gases Monitor Instrument(GMI) is one of the payloads to detect CO_2 and CH_4. The key technical principle of the payload is spatial heterodyne spectroscopy(SHS), which has the characteristic of no moving parts, hyperspectral resolution and high throughput. GMI is the first greenhouse payload based on SHS and is totally developed in China. The detection principle, conceptual design and operating mode on orbit are given. The key technologies such as integrated gluing, on-orbit calibration and ocean flare observing are resolved in the project. The calibration on ground and performance test are introduced and the calibration and test data are analyzed. The results show that the payload has achieved the same advanced level with other similar international payloads. Some specific advices about follow-up greenhouse detection are given.
引文
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[16]沈静,熊伟,施海亮,等.用于风场探测的非对称空间外差干涉数据处理方法研究[J].光谱学与光谱析,2016,36(9):3014-3019.SHEN Jing,XIONG Wei,SHI Hailiang,et al.Data Processing Method of Asymmetric Spatial Heterodyne Interferogram for Wind Messurement[J].Spectroscopy and Spectral Analysis,2016,36(9):3014-3019.(in Chinese)
[17]李志伟,熊伟,罗海燕,等.非对称空间外差光谱技术研究[J].光谱学与光谱析,2016,36(7):2291-2295.LI Zhiwei,XIONG Wei,LUO Haiyan,et al.Study on Asymmetric Spatial Heterodyne Spectroccopy[J].Spectroscopy and Spectral Analysis,2016,36(7):2291-2295.(in Chinese)
[18]沈静,熊伟,施海亮,等.测风非对称空间外差干涉仪绝对相位漂移分析及校正[J].光学学报,2017(4):354-362.SHEN Jing,XIONG Wei,SHI Hailiang,et al.Absolute Phase Drift Analysis and Correction of Asymmetric Spatial Heterodyne Interferometer for Wind Detection[J].Acta Optica Sinica,2017(4):354-362.(in Chinese)
[2]RAYNER P J,OBRIEN D M.The Utility of Remotely Sensed CO2 Concentration Data in Surface Source Inversions[J].Geophysical Letters,2001,28(1):175-178.
[3]HARTMUT B,DAVID B,BRIAN C,et al.Global Characterization of CO2 Column Retrievals from Shortwave-infrared Satellite Observations of the Orbiting Carbon Observatory-2 Mission[J].Remote Sensing,2011,3(2):270-304.
[4]叶松,熊伟,乔延利,等.空间外差光谱仪干涉图数据处理[J].光谱学与光谱分析,2009,29(3):848-852.YE Song,XIONG Wei,QIAO Yanli,et al.Spectroscopy and Spectral Analysis,2009,29(3):848-852.(in Chinese)
[5]JIANPING M,RANDOLPH K.Sensitivity Studies for Space-based Measurement of Atmospheric Total Column Carbon Dioxide by Reflected Sunlight[J].Applied Optics,2004,43(4):914-927.
[6]熊伟,施海亮,俞能海.空间外差干涉光谱仪仪器线型函数测量新方法研究[J].光谱学与光谱分析,2015,35(1):267-271.XIONG Wei,SHI Hailiang,YU Nenghai.Study on a New Method for Instrumental Line Shape Measurement of Spatial Heterodyne Interference Spectrometer[J].Spectroscopy and Spectral Analysis,2015,35(1):267-271.(in Chinese)
[7]施海亮,熊伟,邹铭敏,等.空间外差光谱仪定标方法研究[J].光谱学与光谱分析,2010,30(6):1683-1687.SHI Hailiang,XIONG Wei,ZUO Mingmin,et al.Study on Calibration Method of Spatial Heterodyne Spectrometer[J].Spectroscopy and Spectral Analysis,2010,30(6):1683-1687.(in Chinese)
[8]施海亮.空间外差光谱仪定标技术研究[D].合肥:中国科学院安徽光学精密机械研究所,2012.SHI Hailiang.Research on Calibration of Spatial Heterodyne Spectrometer[D].Hefei:Anhui Institute of Optical Precision Machinery,Chinese Academy of Sciences,2012.(in Chinese)
[9]CHRISTOPH R E,DAVID D B,JOHN M H.Doppler Asymmetric Spatial Heterodyne Spectroscopy(DASH):Concept and Experimental Demonstration[J].Applied Optics,2007,46(29):7297-7307.
[10]JOHN M H,CHRISTOPH R E,DAVID D B,et al.Design and Laboratory Tests of a Doppler Asymmetric Spatial Heterodyne(DASH)Interferometer for Upper Atmospheric Wind and Temperature Observations[J].Optics Express,2010,18(25):26430-26440.
[11]ROESLER F L,HARLANDER J.Spatial Heterodyne Spectroscopy for Atmospheric Remote Sensing[J].SPIE,1999:337-345.
[12]HARLANDER J,ROESLER F L,ENGLERT C R,et al.Robust Monolithic Ultraviolet Interferometer for the Shimmer Instrument on STPSat-1[J].Applied Optics,2003,42(15):2829-2834.
[13]CHRISTOPH R E,JOHN M H.Flatfielding in Spatial Heterodyne Spectroscopy[J].Applied Optics,2006,45(19):4583-4590.
[14]CHRISTOPH R E,JOHN M H,JOEL G C,et al.Correction of Phase Distortion in Spatial Heterodyne Spectroscopy[J].Applied Optics,2004,43(36):6680-6687.
[15]李志伟,熊伟,施海亮,等.空间外差光谱仪实验室定标技术研究[J].光学学报,2014,34(4):273-279.LI Zhiwei,XIONG Wei,SHI Hailiang,et al.Study on Laboratory Calibration of Spatial Heterodyne Spcetrometer[J].Acta Optica Sinica,2014,34(4):273-279.(in Chinese)
[16]沈静,熊伟,施海亮,等.用于风场探测的非对称空间外差干涉数据处理方法研究[J].光谱学与光谱析,2016,36(9):3014-3019.SHEN Jing,XIONG Wei,SHI Hailiang,et al.Data Processing Method of Asymmetric Spatial Heterodyne Interferogram for Wind Messurement[J].Spectroscopy and Spectral Analysis,2016,36(9):3014-3019.(in Chinese)
[17]李志伟,熊伟,罗海燕,等.非对称空间外差光谱技术研究[J].光谱学与光谱析,2016,36(7):2291-2295.LI Zhiwei,XIONG Wei,LUO Haiyan,et al.Study on Asymmetric Spatial Heterodyne Spectroccopy[J].Spectroscopy and Spectral Analysis,2016,36(7):2291-2295.(in Chinese)
[18]沈静,熊伟,施海亮,等.测风非对称空间外差干涉仪绝对相位漂移分析及校正[J].光学学报,2017(4):354-362.SHEN Jing,XIONG Wei,SHI Hailiang,et al.Absolute Phase Drift Analysis and Correction of Asymmetric Spatial Heterodyne Interferometer for Wind Detection[J].Acta Optica Sinica,2017(4):354-362.(in Chinese)