Shufan Zhao
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View article: Improved Daytime Cloud Detection Algorithm in FY-4A’s Advanced Geostationary Radiation Imager
Improved Daytime Cloud Detection Algorithm in FY-4A’s Advanced Geostationary Radiation Imager Open
Cloud detection is an indispensable step in satellite remote sensing of cloud properties and objects under the influence of cloud occlusion. Nevertheless, interfering targets such as snow and haze pollution are easily misjudged as clouds f…
View article: Quantitative analysis of nighttime effects of radiation belt energetic electron precipitation on the D-region ionosphere during lower solar activity periods
Quantitative analysis of nighttime effects of radiation belt energetic electron precipitation on the D-region ionosphere during lower solar activity periods Open
Energetic electron precipitation (EEP) from the Earth's radiation belts can ionize neutral molecules in the D-region ionosphere (60–90 km altitude), significantly influencing the conductivity and chemical species therein. However, due to t…
View article: Gravity-Aided Navigation Underwater Positioning Confidence Study Based on Bayesian Estimation of the Interquartile Range Method
Gravity-Aided Navigation Underwater Positioning Confidence Study Based on Bayesian Estimation of the Interquartile Range Method Open
In this study, we improve the matching accuracy of underwater gravity-matching navigation and use this method to further analyze the confidence of the matching accuracy. An interquartile range (IQR)-matching approach based on Bayesian esti…
View article: Bibliometric analysis of sustainable rural tourism
Bibliometric analysis of sustainable rural tourism Open
Sustainable rural tourism (SRT) balances economic development, environmental management, and cultural preservation in rural areas, making it a hot topic. The research on SRT has evolved and covers a wide range of themes; however, comprehen…
View article: Propagation Characteristics of Lightning‐Generated Whistlers in the Ionosphere: Statistical and Simulation‐Based Analysis
Propagation Characteristics of Lightning‐Generated Whistlers in the Ionosphere: Statistical and Simulation‐Based Analysis Open
Lightning‐generated whistlers (LGWs) are electromagnetic waves in the very‐low‐frequency band generated by lightning and propagate in the ionosphere. LGWs are an inexpensive ionospheric detection medium that can be used to reconstruct iono…
View article: Investigation of Daytime Electromagnetic Power in the Topside Ionosphere Radiated From VLF Transmitters During Solar Minimum Period of Cycle 23/24
Investigation of Daytime Electromagnetic Power in the Topside Ionosphere Radiated From VLF Transmitters During Solar Minimum Period of Cycle 23/24 Open
The propagation of Very Low Frequency (VLF) waves from ground‐based VLF transmitters worldwide allows them to penetrate the ionosphere and enter the magnetosphere. This interaction drives electron precipitation in the inner radiation belts…
View article: OmniAD: Detect and Understand Industrial Anomaly via Multimodal Reasoning
OmniAD: Detect and Understand Industrial Anomaly via Multimodal Reasoning Open
While anomaly detection has made significant progress, generating detailed analyses that incorporate industrial knowledge remains a challenge. To address this gap, we introduce OmniAD, a novel framework that unifies anomaly detection and u…
View article: Quantitative Analysis of Nighttime Effects of Radiation Belt Energetic Electron Precipitation on the D-Region Ionosphere during Lower Solar Activity Period
Quantitative Analysis of Nighttime Effects of Radiation Belt Energetic Electron Precipitation on the D-Region Ionosphere during Lower Solar Activity Period Open
Energetic electron precipitation (EEP) from the Earth's radiation belts can ionize neutral molecules in the D-region ionosphere (60–90 km altitude), significantly influencing the conductivity and chemical species therein. However, due to t…
View article: Fast and Robust Automatic Extraction Method for the Lightning Whistler Scattering Coefficient of the Zhangheng Satellite
Fast and Robust Automatic Extraction Method for the Lightning Whistler Scattering Coefficient of the Zhangheng Satellite Open
View article: A Robust and High-speed Automated Detection Model for Lightning Whistler
A Robust and High-speed Automated Detection Model for Lightning Whistler Open
View article: years results of EQ precursors research by using CSES-01 onboard and the following step of  IMCP 
years results of EQ precursors research by using CSES-01 onboard and the following step of  IMCP  Open
As the first geophysical field observation satellite mission in China, CSES-01 has been operating in orbit for six years and, based on its optimal performance, it will prolong its life after…
View article: The effect of periapical bone defects on stress distribution in teeth with periapical periodontitis: a finite element analysis
The effect of periapical bone defects on stress distribution in teeth with periapical periodontitis: a finite element analysis Open
View article: The effect of root canal treatment and post-crown restorations on stress distribution in teeth with periapical periodontitis: a finite element analysis
The effect of root canal treatment and post-crown restorations on stress distribution in teeth with periapical periodontitis: a finite element analysis Open
View article: Editorial: Space- and ground-based observations of ELF (extremely low frequency)/VLF (very low frequency) electromagnetic waves and their propagation mechanisms
Editorial: Space- and ground-based observations of ELF (extremely low frequency)/VLF (very low frequency) electromagnetic waves and their propagation mechanisms Open
EDITORIAL article Front. Astron. Space Sci., 23 November 2023Sec. Space Physics Volume 10 - 2023 | https://doi.org/10.3389/fspas.2023.1335615
View article: Numerical study on the combustion process in a gas turbine combustor with different reference velocities
Numerical study on the combustion process in a gas turbine combustor with different reference velocities Open
The mixing and combustion processes under different reference velocities in a gas turbine combustor were numerically investigated using the Flamelet Generated Manifold (FGM) model based on the Reynolds Averaged Navier–Stokes (RANS) method.…
View article: Pre-seismic multi-parameters variations before Yangbi and Madoi earthquakes on May 21, 2021
Pre-seismic multi-parameters variations before Yangbi and Madoi earthquakes on May 21, 2021 Open
On May 21, a Ms6.4 earthquake occurred in Yangbi, Yunnan Province. Less than 5 h later, on May 21, follows a Ms7.4 earthquake in Madoi, Qinghai Province. In this study, multiple parameters are studied from CSES-01 satellite and GNSS. The …
View article: The Possible Seismo-Ionospheric Perturbations Recorded by the China-Seismo-Electromagnetic Satellite
The Possible Seismo-Ionospheric Perturbations Recorded by the China-Seismo-Electromagnetic Satellite Open
Driven by the objective of earthquake disaster prevention and mitigation, China launched the Zhangheng mission to build a stereoscopic earthquake monitoring system from the lithosphere to space. This report briefly presents the possible se…
View article: The electromagnetic anomalies recorded by CSES during Yangbi and Madoi earthquakes occurred in late May 2021 in west China
The electromagnetic anomalies recorded by CSES during Yangbi and Madoi earthquakes occurred in late May 2021 in west China Open
s: This work analyzed the electromagnetic field (EM) anomalies recorded by the electric field detector (EFD) and the search coil magnetometer (SCM) onboard the China Seismo-Electromagnetic Satellite (CSES) during the two earthquakes (EQ), …
View article: Current Status and Main Scientific Outcomes of the CSES Mission
Current Status and Main Scientific Outcomes of the CSES Mission Open
View article: Numerical Study of Global ELF Electromagnetic Wave Propagation with Respect to Lithosphere–Atmosphere–Ionosphere Coupling
Numerical Study of Global ELF Electromagnetic Wave Propagation with Respect to Lithosphere–Atmosphere–Ionosphere Coupling Open
Before and after earthquakes, abnormal physical and chemical phenomena can be observed by gathering ground-based and satellite data and interpreted by the lithosphere–atmosphere–ionosphere coupling (LAIC) mechanism. In this study, we focus…
View article: Typical ionospheric disturbances revealed by the plasma analyzer package onboard the China Seismo-Electromagnetic Satellite
Typical ionospheric disturbances revealed by the plasma analyzer package onboard the China Seismo-Electromagnetic Satellite Open
The China Seismo-Electromagnetic Satellite (CSES) was successfully launched on February 2, 2018, with a plasma analyzer package (PAP) onboard to in-situ detect the ionospheric ion parameters. In this paper, the availability of PAP data is …
View article: Storm-Time Features of the Ionospheric ELF/VLF Waves and Energetic Electron Fluxes Revealed by the China Seismo-Electromagnetic Satellite
Storm-Time Features of the Ionospheric ELF/VLF Waves and Energetic Electron Fluxes Revealed by the China Seismo-Electromagnetic Satellite Open
This study reports the temporal and spatial distributions of the extremely/very low frequency (ELF/VLF) wave activities and the energetic electron fluxes in the ionosphere during an intense storm (geomagnetic activity index Dst of approxim…
View article: Investigation of Precursors in VLF Subionospheric Signals Related to Strong Earthquakes (M > 7) in Western China and Possible Explanations
Investigation of Precursors in VLF Subionospheric Signals Related to Strong Earthquakes (M > 7) in Western China and Possible Explanations Open
Earthquakes may disturb the lower ionosphere through various coupling mechanisms during their seismogenic and coseismic periods. The VLF signal radiated from ground-based transmitters is affected when it passes near the disturbed region ab…
View article: The Seismic Electromagnetic Emissions During the 2010 Mw 7.8 Northern Sumatra Earthquake Revealed by DEMETER Satellite
The Seismic Electromagnetic Emissions During the 2010 Mw 7.8 Northern Sumatra Earthquake Revealed by DEMETER Satellite Open
The abnormal electromagnetic emissions recorded by DEMETER (the Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions) satellite associated with the April 6, 2010 Mw 7.8 northern Sumatra earthquake are examined in thi…
View article: The very low-frequency transmitter radio wave anomalies related to the 2010 Ms 7.1 Yushu earthquake observed by the DEMETER satellite and the possible mechanism
The very low-frequency transmitter radio wave anomalies related to the 2010 Ms 7.1 Yushu earthquake observed by the DEMETER satellite and the possible mechanism Open
Earthquakes may disturb the lower ionosphere through various coupling mechanisms during the seismogenic and coseismic periods. The VLF (very low-frequency) signal radiated from ground-based transmitters will be affected when it penetrates …
View article: The influence of the ionospheric disturbance on the ground based VLF transmitter signal recorded by LEO satellite – Insight from full wave simulation
The influence of the ionospheric disturbance on the ground based VLF transmitter signal recorded by LEO satellite – Insight from full wave simulation Open
View article: The VLF transmitters' radio wave anomalies related to 2010 Ms 7.1 Yushu earthquake observed by DEMETER satellite and the possible mechanism
The VLF transmitters' radio wave anomalies related to 2010 Ms 7.1 Yushu earthquake observed by DEMETER satellite and the possible mechanism Open
Earthquakes may disturb the lower ionosphere through various coupling mechanisms during their seismogenic and coseismic periods. The VLF signal radiated from ground-based transmitters will get affected when it penetrates the disturbed regi…
View article: Current Status and Main Scientific Results of In-flight CSES Mission
Current Status and Main Scientific Results of In-flight CSES Mission Open
The CSES (China Seismo-Electromagnetic Satellite) is the electromagnetism satellite of China's Zhangheng mission which is planned to launch a series of microsatellites within next 10 years in order to monitor the electromagnetic environmen…
View article: Research on Initial Installed Power Loss of a Certain Type of Turbo-Shaft Engine Using Data Mining and Statistical Approach
Research on Initial Installed Power Loss of a Certain Type of Turbo-Shaft Engine Using Data Mining and Statistical Approach Open
The installed positions of three domestic turbo-shaft engines mounted on a certain type of ship-borne helicopter interfere with the intake air flow of the engines, resulting in a decline of engine performance after initial installation. Du…
View article: Gas turbine power calculation method of turboshaft based on simulation and performance model
Gas turbine power calculation method of turboshaft based on simulation and performance model Open
Gas turbine power of turboshaft engine cannot be measured, a total of five typical steady state point test data from the ground slow state to the maximum state were selected according to the factory acceptance test drive of a certain type …