A5109248481- Atmospheric Ozone and Climate
- Ionosphere and magnetosphere dynamics
- Calibration and Measurement Techniques
- GNSS positioning and interference
- Atmospheric and Environmental Gas Dynamics
- Geophysics and Gravity Measurements
- Spectroscopy and Laser Applications
- Meteorological Phenomena and Simulations
- Atmospheric chemistry and aerosols
- Solar and Space Plasma Dynamics
- Radiation Dose and Imaging
- Infrared Target Detection Methodologies
- Advanced X-ray and CT Imaging
- Methane Hydrates and Related Phenomena
- Visual perception and processing mechanisms
- Color Science and Applications
- Impact of Light on Environment and Health
- Environmental and Agricultural Sciences
- Geomagnetism and Paleomagnetism Studies
- Color perception and design
- Satellite Image Processing and Photogrammetry
- Atmospheric aerosols and clouds
- Space Satellite Systems and Control
- Advanced Radiotherapy Techniques
- Spacecraft Design and Technology
China Meteorological Administration
2012-2024
Beijing Meteorological Bureau
2024
Changchun Institute of Optics, Fine Mechanics and Physics
2018
Chinese Academy of Sciences
2018
Shanghai Micro Satellite Engineering Center
2018
University of Maryland Medical Center
2011
University of Maryland, Baltimore
2009-2011
Duke University Hospital
2010
Duke University
2010
Duke Medical Center
2010
FengYun-3A (FY-3A), the first satellite in second generation of Chinese polar-orbiting meteorological satellites, was launched at Taiyuan, China, launching center on 27 May 2008. Equipped with both sounding and imaging payloads, enabling more powerful observations than FY-1 series, FY-3A carries 11 instruments. Two them are same as those FY-1C/D, while others, whose spectral bands cover violet, visible, near-infrared, infrared, microwave regions, all newly developed. instruments can be used...
The Fengyun 3 (FY-3) series is the second generation of Chinese sun-synchronous meteorological satellites. first two, FY-3A and FY-3B, were launched successfully on 27 May 2008 5 November 2010, respectively. FY-3B share same design, equipped with 11 payloads to observe Earth system, but a monitoring-orbit an afternoon-orbit. As satellite constellation, comprehensively improved observations in spectral wavelength, spatial coverage, temporal frequency. This paper summarizes improvements New...
From the viewpoint of earth system science, this paper discusses observation capability second-generation Chinese polar-orbiting, sun-synchronous operational meteorological satellite systems, Fengyun-3 (FY-3), based on function and performance test results from FY-3D in orbit. The FY-3 series satellites have numerous remote sensing instruments a wide range imaging sounding electromagnetic spectrometers onboard. These can obtain reflectivity data for land surface, soil, vegetation, water...
The advanced MEdium Resolution Spectral Imager (MERSI II) is a major instrument onboard the Chinese FengYun 3D satellite, which was launched in November 2017. Extensive measurements were performed during MERSI II prelaunch testing to ensure effective characterization for on-orbit calibration. This paper gives brief overview of performance conducted II, as well its improvements terms design compared I. calibration methodology and radiometric are detailed, including dynamic range,...
The GNSS Occultation Sounder instrument onboard the Chinese meteorological satellite Fengyun-3C (FY-3C) tracks both GPS and BDS signals for orbit determination. One month’s worth of dual-frequency data during March 2015 from FY-3C is analyzed in this study. measurement quality evaluated terms quantity as well code multipath error. Severe errors ranges are observed especially high elevations medium earth satellites (MEOs). estimated piecewise linear model $$2{^{\circ }}\times 2{^{\circ }}$$...
The payload on board the FengYun 3 (FY-3) satellite series has been providing critical observations to Earth, and observation data have processed distributed various users by corresponding ground application system. In this paper, FY-3 its future development plan are presented, system is introduced. major characteristics of instruments requirement for applications discussed as well. There nine new instruments, including Microwave Temperature Sounder (MWTS), Humidity (MWHS), Infrared...
Abstract. The FY3 (Feng-Yun-3) GNOS (GNSS Occultation Sounder) mission is a GNSS (Global Navigation Satellite System) radio occultation of China for remote sensing Earth's neutral atmosphere and the ionosphere. will use both global positioning system (GPS) Beidou navigation satellite systems on Feng-Yun-3 (FY3) series satellites. first FY3-C was launched at 03:07 UTC 23 September 2013. developed by Center Space Science Applied Research, Chinese Academy Sciences (CSSAR). It provide vertical...
The newly launched Fengyun-3D (FY-3D) satellite carried a wide-field auroral imager (WAI) that was developed by Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy Sciences (CIOMP), which will provide large field view (FOV), high spatial resolution, broadband ultraviolet images the aurora ionosphere imaging N2 LBH bands emissions. WAI consists two identical cameras, each with an FOV 68° in along-track direction 10° cross-track direction. cameras are tilted relative to...
The High Spectral Infrared Atmospheric Sounder (HIRAS) is the first Chinese Fourier Transform Michelson interferometer onboard FengYun 3D (FY-3D) polar-orbiting meteorological satellite launched on November 15, 2017. FY-3D HIRAS provides infrared (IR) radiance spectra measurements in three spectral bands: long-wave IR (LWIR) band from 650 to 1135 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> , middle-wave (MWIR) 1210 1750 and...
The polar-orbiting meteorological satellites operating in an observing system composed of early morning (EM), midmorning (AM), and afternoon (PM) orbits are extremely important to global numerical weather prediction (NWP). Following the proposal World Meteorological Organization (WMO), China Administration (CMA) launched Fengyun-3E (FY-3E), world's first EM-orbit satellite for civil use, on 5 July 2021. With 11 scientific instruments board, FY-3E is capable providing atmospheric sounding,...
The High-Spectral Infrared Atmospheric Sounder (HIRAS) is a Fourier transform spectrometer onboard the fourth polar-orbiting FengYun 3D satellite (FY-3D). FY-3D HIRAS provides interferogram measurements of Earth view radiance spectra in three infrared spectral bands at 29 cross-track positions, each with 2 × array field views (FOVs). level 1 data cover from 650 to 1135 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> [long-wave (LW)...
The solar X-ray and Extreme Ultraviolet Imager (X-EUVI), developed by the Changchun Institute of Optics, Fine Mechanics Physics, Chinese Academy Sciences (CIOMP), is first space-based ultraviolet (EUV) imager China loaded on Fengyun-3E (FY-3E) satellite supported Meteorological Administration (CMA) for observation. Since started work July 11, 2021, X-EUVI has obtained many images. instrument employs an innovative dual-band design to monitor a much larger temperature range Sun, which covers...
TanSat is an important satellite in the Chinese Earth Observation Program which designed to measure global atmospheric CO 2 concentrations from space.The first superhigh-resolution grating spectrometer for measuring aboard TanSat.This a suite of three spectrometers that make coincident measurements reflected sunlight near-infrared band near 1.61 and 2.06 μm molecular oxygen A-band (O A) at 0.76 μm.Their spectral resolving power (λ/λ) ∼19 000, ∼12 800, 250 O A, weak absorption carbon dioxide...
Limited by the on-orbital calibration capability, scaling measured radiance in accuracy and stability is challenging for Earth observation satellites reflective solar bands (RSBs). Although lunar a well-developed technique RSBs, limited work has been done Chinese satellites. To improve performance, advanced MEdium Resolution Spectral Imager (MERSI II), which primary payload of fourth satellite Fengyun 3 Series (FY-3D), expands space view angle imager order to capture better images. In this...
Abstract. The Global Navigation Satellite System (GNSS) Occultation Sounder (GNOS) is one of the new-generation payloads onboard Chinese FengYun 3 (FY-3) series operational meteorological satellites for sounding Earth's neutral atmosphere and ionosphere. GNOS was designed acquiring setting rising radio occultation (RO) data by using GNSS signals from both BeiDou (BDS) US Positioning (GPS). An ultra-stable oscillator with 1 s stability (Allan deviation) at level 10−12 installed on FY-3C GNOS,...
In order to correctly use the column-averaged atmospheric CO2 dry-air mole fraction (XCO2) data in flux studies, XCO2 measurements retrieved from Orbiting Carbon Observatory-2 (OCO-2) 2015 were compared with those obtained global ground-based high-resolution Fourier Transform Spectrometer (FTS) participating Total Column Observing Network (TCCON). The three observing modes adopted by OCO-2, i.e., nadir, target, and glint, separately validated FTS at up eight TCCON stations located different...
TanSat was successfully launched on December 22, 2016, and has been acquiring global measurements of CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O spectral bands in reflected sunlight since early February 2017. The atmospheric carbon dioxide grating spectrometer (ACGS) is a spaceborne three-band hyperspectral suite onboard TanSat. ACGS designed to measure high-spectral-resolution, coboresighted spectra within the molecular oxygen...
Abstract. TanSat is a key satellite mission in the Chinese Earth Observation program and designed to measure global atmospheric column-averaged dry-air CO2 mole fraction by measuring visible near-infrared solar-reflected spectra. The first super-high-resolution grating spectrometer for aboard TanSat. This suite incorporating three spectrometers that make coincident measurements of reflected sunlight band near 1.61 2.06 µm molecular oxygen (O2) A-band at 0.76 µm. spectral resolving power...
Abstract. The Ionospheric Photometer (IPM) is carried on the Feng Yun 3-D (FY3D) meteorological satellite, which allows for measurement of far-ultraviolet (FUV) airglow radiation in thermosphere. IPM a compact and high-sensitivity nadir-viewing FUV remote sensing instrument. It monitors 135.6 nm emission nightside thermosphere N2 Lyman–Birge–Hopfield (LBH) emissions dayside that can be used to invert peak electron density F2 layer (NmF2) at night O/N2 ratio daytime, respectively. Preliminary...
China's Fengyun-3D meteorological satellite launched in December 2016 carries the high-resolution greenhouse-gases absorption spectrometer (GAS) aimed at providing global observations of carbon dioxide (CO2). To date, GAS is one few instruments measuring CO2 from near-infrared spectrum. On orbit, oxygen (O2) A band suffers a disturbance, and signal-to-noise ratio (SNR) significantly lower than nominal specification. This leads to difficulties retrieval surface pressure hence degradation...
With the stable increase of carbon dioxide (CO<sub>2</sub>) concentrations, space based measurements CO<sup>2</sup> concentration in lower atmosphere by reflected sunlight near infrared band has become a hot research topic at present. Recently, instruments sensitive to total CO<sub>2 </sub>column data near-surface have available through SCIAMACHY instrument on ENVISAT and TANSO-FTS GOSAT. The developing hyper spectral CO<sub>2</sub> detector China carried TANSAT will be launched late 2015....