Mi Liao
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View article: Quality aspects of Fengyun3 D/E radio occultation bending angle products
Quality aspects of Fengyun3 D/E radio occultation bending angle products Open
This study systematically evaluated the quality of ionosphere-corrected bending angles from Fengyun3 (FY3) D/E satellites (equipped with GPS and BDS receivers) using ERA5 data as references and MetOp products as comparisons. The quality of…
View article: Assessment of FY-3E GNOS II Radio Occultation Data Using an Improved Three-Cornered Hat Method
Assessment of FY-3E GNOS II Radio Occultation Data Using an Improved Three-Cornered Hat Method Open
The spatial–temporal sampling errors arising from the differences in geographical locations and measurement times between co-located Global Navigation Satellite System (GNSS) radio occultation (RO) and radiosonde (RS) data represent system…
View article: Evaluation of excess phase and bending angle data from FengYun-3 radio occultation based on two independent processing chains
Evaluation of excess phase and bending angle data from FengYun-3 radio occultation based on two independent processing chains Open
With long-term mission planning extending well into the next decade, the Chinese FengYun-3 (FY-3) meteorological satellite series acts as an important backbone for the provision of radio occultation (RO) data for climate science and numeri…
View article: Anisotropic dynamic permeability model for porous media
Anisotropic dynamic permeability model for porous media Open
Based on the tortuous capillary network model, the relationship between anisotropic permeability and rock normal strain, namely the anisotropic dynamic permeability model (ADPM), was derived and established. The model was verified using po…
View article: Preliminary Assessment of BDS Radio Occultation Retrieval Quality and Coverage Using FY-3E GNOS II Measurements
Preliminary Assessment of BDS Radio Occultation Retrieval Quality and Coverage Using FY-3E GNOS II Measurements Open
The FengYun-3E Global Navigation Satellite System (GNSS) occultation sounder II (FY-3E GNOS II) was launched on 5 July 2021. For the first time, based on the new GNOS II sensor, this mission realizes radio occultation (RO) and reflectometr…
View article: Analysis of Beidou Radio Occultation Data from FY-3D Satellite
Analysis of Beidou Radio Occultation Data from FY-3D Satellite Open
Based on the Beidou radio occultation refractivity data of FY-3D satellite from January to March in 2018, the distribution characteristics of Beidou occultation, data accuracy and statistical characteristics of errors are studied. The Beid…
View article: An Evaluation of Fengyun-3C Radio Occultation Atmospheric Profiles Over 2015–2018
An Evaluation of Fengyun-3C Radio Occultation Atmospheric Profiles Over 2015–2018 Open
Fengyun-3C (FY-3C) is the first Chinese satellite that is capable of using the Radio Occultation (RO) technique to retrieve atmospheric profiles. This research evaluates the quality of FY-3C RO profiles including refractivity, temperature,…
View article: Comparison and Validation of the Ionospheric Climatological Morphology of FY3C/GNOS with COSMIC during the Recent Low Solar Activity Period
Comparison and Validation of the Ionospheric Climatological Morphology of FY3C/GNOS with COSMIC during the Recent Low Solar Activity Period Open
With the accumulation of the ionospheric radio occultation (IRO) data observed by Global Navigation Satellite System (GNSS) occultation sounder (GNOS) onboard FengYun-3C (FY3C) satellite, it is possible to use GNOS IRO data for ionospheric…
View article: Processing and quality control of FY-3C GNOS data used in numerical weather prediction applications
Processing and quality control of FY-3C GNOS data used in numerical weather prediction applications Open
The Chinese radio occultation sounder GNOS (Global Navigation Occultation Sounder) is on the FY-3C satellite, which was launched on 23 September 2013. Currently, GNOS data are transmitted via the Global Telecommunications System (GTS), pro…
View article: Processing and quality control with FY-3C/GNOS data used in numerical weather prediction applications
Processing and quality control with FY-3C/GNOS data used in numerical weather prediction applications Open
The Chinese radio occultation sounder GNOS (Global Navigation Occultation Sounder) is on the FY-3C satellite, which was launched on September 23, 2013. Currently, GNOS data is transmitted via the Global Telecommunications System (GTS) prov…
View article: The FengYun-3C radio occultation sounder GNOS: a review of the mission and its early results and science applications
The FengYun-3C radio occultation sounder GNOS: a review of the mission and its early results and science applications Open
The Global Navigation Satellite System (GNSS) Occultation Sounder (GNOS) is one of the new-generation payloads on board the Chinese FengYun 3 (FY-3) series of operational meteorological satellites for sounding the Earth's neutral atmospher…
View article: Evaluation of atmospheric profiles derived from single- and zero-difference excess phase processing of BeiDou radio occultation data from the FY-3C GNOS mission
Evaluation of atmospheric profiles derived from single- and zero-difference excess phase processing of BeiDou radio occultation data from the FY-3C GNOS mission Open
The Global Navigation Satellite System (GNSS) Occultation Sounder (GNOS) is one of the new-generation payloads onboard the Chinese FengYun 3 (FY-3) series of operational meteorological satellites for sounding the Earth's neutral atmosphere…
View article: The FengYun-3C radio occultation sounder GNOS: a review of the mission and its early results and science applications
The FengYun-3C radio occultation sounder GNOS: a review of the mission and its early results and science applications Open
The Global Navigation Satellite System (GNSS) occultation sounder (GNOS) is one of the new generation payloads onboard the Chinese FengYun 3 (FY-3) series of operational meteorological satellites for sounding the Earth’s neutral atmosphere…
View article: Evaluation of atmospheric profiles derived from single- and zero-difference excess phase processing of BeiDou System radio occultation data of the FY-3C GNOS mission
Evaluation of atmospheric profiles derived from single- and zero-difference excess phase processing of BeiDou System radio occultation data of the FY-3C GNOS mission Open
The Global Navigation Satellite System (GNSS) Occultation Sounder (GNOS) is one of the new generation payloads onboard the Chinese FengYun 3 (FY-3) series of operational meteorological satellites for sounding the Earth’s neutral atmosphere…
View article: Precise orbit determination of the Fengyun-3C satellite using onboard GPS and BDS observations
Precise orbit determination of the Fengyun-3C satellite using onboard GPS and BDS observations Open
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 the onboard dual-frequency GPS and BDS data during March …
View article: Enhanced orbit determination for BeiDou satellites with FengYun-3C onboard GNSS data
Enhanced orbit determination for BeiDou satellites with FengYun-3C onboard GNSS data Open
A key limitation for precise orbit determination of BeiDou satellites, particularly for satellites in geostationary orbit (GEO), is the relative weak geometry of ground stations. Fortunately, data from a low earth orbiting satellite with a…
View article: Preliminary validation of the refractivity from the new radio occultation sounder GNOS/FY-3C
Preliminary validation of the refractivity from the new radio occultation sounder GNOS/FY-3C Open
As a new member of the space-based radio occultation sounders, the GNOS (Global Navigation Satellite System Occultation Sounder) mounted on Fengyun-3C (FY-3C) has been carrying out atmospheric sounding since 23 September 2013. GNOS takes a…