Results 1 to 10 of about 1,400,600 (254)
Pre-Launch Spectral Calibration of the Absorbed Aerosol Sensor [PDF]
Sensors, 2023 Spectral calibration consists of the calibration of wavelengths and the measurement of the instrument’s spectral response function (SRF). Unlike conventional slits, the absorbed aerosol sensors (AAS) are used as a slit homogenizer, in which the SRF is ...
Jinghua Mao +3 more
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Preflight Spectral Calibration of Airborne Shortwave Infrared Hyperspectral Imager with Water Vapor Absorption Characteristics [PDF]
Sensors, 2019 Due to the strong absorption of water vapor at wavelengths of 1350–1420 nm and 1820–1940 nm, under normal atmospheric conditions, the actual digital number (DN) response curve of a hyperspectral imager deviates from the Gaussian shape, which ...
Honglin Liu, Dong Zhang, Yueming Wang
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Spectral Calibration Algorithm for the Geostationary Environment Monitoring Spectrometer (GEMS)
Remote Sensing, 2020 The Geostationary Environment Monitoring Spectrometer (GEMS) onboard the Geostationary Korean Multi-Purpose Satellite 2B was successfully launched in February 2020. GEMS is a hyperspectral spectrometer measuring solar irradiance and Earth radiance in the
Mina Kang +4 more
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Remote Sensing, 2023 Monitoring global greenhouse gas concentration information via satellite remote sensing has become a critical area of research to support the further understanding of global carbon emissions.
Shizhao Li +4 more
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An Investigation of the Fengyun-4A/B GIIRS Performance on Temperature and Humidity Retrievals
Atmosphere, 2022 The Fengyun-4A/B (FY-4A/B) geostationary satellite carries the Geostationary Interferometric Infrared Sounder (GIIRS). The instrument parameters of the GIIRS on FY-4A and FY-4B are not exactly the same, which is crucial for the atmospheric temperature ...
Sufeng Wang, Feng Lu, Yutao Feng
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Remote Sensing, 2023 Accurate stratospheric temperature observations are crucial for weather forecasts and climate change studies. This paper discusses a precise measurement method for the stratospheric temperature profile using narrow bands with ultra-high spectral ...
Sufeng Wang +6 more
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Underwater Spectral Imaging System Based on Liquid Crystal Tunable Filter
Journal of Marine Science and Engineering, 2021 In the past decade, underwater spectral imaging (USI) has shown great potential in underwater exploration for its high spectral and spatial resolution. This proposal presents a stare-type USI system combined with the liquid crystal tunable filter (LCTF ...
Hong Song +6 more
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Laboratory Calibration of an Ultraviolet–Visible Imaging Spectropolarimeter
Remote Sensing, 2022 The ultraviolet–visible imaging spectropolarimeter (UVISP), developed by the Anhui Institute of Optics and Fine Mechanics (AIOFM), Chinese Academy of Science (CAS), is a dual-beam snapshot instrument for measuring the spectral, radiometric, and linear ...
Jingjing Shi +6 more
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Design of calibration device for real-time on-line monitoring system of water radioactivity
He jishu, 2023 BackgroundIn the long-term uninterrupted work of the real-time on-line monitoring system of water radioactivity, the spectrum drift, line broadening and shift of peak position are caused by the temperature change of the detector and various electronic ...
GUO Shengliang +7 more
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Spectroradiometer Calibration for Radiance Transfer Measurements
Sensors, 2023 Optical remote sensing and Earth observation instruments rely on precise radiometric calibrations which are generally provided by the broadband emission from large-aperture integrating spheres.
Clemens Rammeloo, Andreas Baumgartner
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