A5100667119- Earthquake Detection and Analysis
- Ionosphere and magnetosphere dynamics
- Geomagnetism and Paleomagnetism Studies
- earthquake and tectonic studies
- Atomic and Subatomic Physics Research
- Seismic Waves and Analysis
- Welding Techniques and Residual Stresses
- Advanced Sensor and Control Systems
- Advanced Measurement and Detection Methods
- Laser-induced spectroscopy and plasma
- Optical Systems and Laser Technology
- Geophysical and Geoelectrical Methods
- Industrial Technology and Control Systems
- Engineering Diagnostics and Reliability
- Plasma Diagnostics and Applications
- Embedded Systems and FPGA Design
- Surface Roughness and Optical Measurements
- Laser Material Processing Techniques
- Magnetic Field Sensors Techniques
- Diamond and Carbon-based Materials Research
- Infrared Target Detection Methodologies
- Advanced Algorithms and Applications
- Reliability and Maintenance Optimization
- Solar and Space Plasma Dynamics
Xi'an Jiaotong University
2024
Dongfang Electric Corporation (China)
2022
Northwestern Polytechnical University
2020
Previous studies have reported that, before or after occurrences of strong earthquakes, some low earth orbit satellites recorded ionospheric disturbances, including electromagnetic emissions and plasma fluctuations over the epicenter region its conjugate point. Theoretically speaking, due to coupling effect, from earthquake preparation zone could propagate lithosphere atmosphere, reach ionosphere, even up inner magnetosphere. This paper introduces electric field detector (EFD) onboard...
Abstract In this paper we provide a comprehensive comparison of in situ electron density ( Ne ) and temperature Te measured by Langmuir probe (LAP) on board the China Seismo‐Electromagnetic Satellite (CSES), with nearly simultaneous measurements from Swarm B satellite, incoherent scatter radar (ISR) at Millstone Hill, as well predictions empirical models including ionospheric model (ISRIM) for Hill International Reference Ionosphere (IRI‐2016). Results reveal that global distributions their...
Abstract Using magnetic field data from the China Seismo-Electromagnetic Satellite (CSES) mission, we derive a global geomagnetic model, which call CSES Global Geomagnetic Field Model (CGGM). This model describes Earth’s main and its linear temporal evolution over time period between March 2018 September 2019. As mission was not originally designed for modelling, carefully assess ability of orbits to provide relevant such purpose. A number issues are identified, an appropriate modelling...
Abstract The High Precision Magnetometer (HPM) is one of the main payloads onboard China Seismo-Electromagnetic Satellite (CSES). HPM consists two Fluxgate Magnetometers (FGM) and Coupled Dark State (CDSM), measures magnetic field from DC to 15 Hz. FGMs measure vector components field; while CDSM detects magnitude with higher accuracy, which can be used calibrate linear parameters FGM. In this paper, brief descriptions measurement principles performances HPM, ground, in-orbit calibration...
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, availability of PAP data is investigated for first time through analyzing three typical disturbance events. Firstly, radio and disturbances caused by two high-power terrestrial very low frequency (VLF) transmitters over American NAA station Australian NWC are investigated. Furthermore,...
Abstract Providing accurate measurement of the magnetic field intensity and its vector components is one primary objectives China Seismo‐Electromagnetic Satellite (CSES). The high precision magnetometer (HPM) payload assembled on CSES designed to achieve this goal. In study, data format, naming convention, content HPM Level 2 scientific products are introduced, as a reference for users who interested in set. particular, flags potential disturbances from platform payloads discussed. Possible...
Abstract This paper presents two kinds of regular features revealed from the observations Langmuir probe (LAP) onboard low‐earth polar orbit satellite ‐ China Seismo‐Electromagnetic Satellite (CSES). The first feature behaves as a sudden drop (SD) in plasma potential ( Vp ) and floating Vf data, while second one appears spike (SP) dayside data. SD structure occurs at geo‐latitudes 40°N to 65°N, roughly mid‐March mid‐September months but with an apparent yearly growth its amplitude. is caused...
Based on the in-orbit magnetic field data of China Seismo-Electromagnetic Satellite (CSES) and Swarm satellites, some research studies consistency cross comparison were carried out. The condition applied is that two satellites pass by in a relatively short period time through spatial location at close range, different spatial-temporal scale standards set, combined with Kp index to screen for geomagnetic quiet periods. Then, help CHAOS model, indirect analysis was realized. Furthermore,...
Abstract In this paper, the failure behavior of glow discharge cathode ArF excimer laser was investigated. The morphology and composition were characterized by scanning electron microscopy, energy spectrometer high resolution confocal microscope. results show that Ar ions sputtering occurs in area, resulting pit, molten resolidified particles. Due to thermal effect induced sputtering, Zn element evaporates violently, which intensifies erosion. Argon ion experiments proved influence random on...
The CaF 2 window is the laser exit of DUV lithography machine as well its sealing component. Bearing irradiation, high pressure, and discharging pollutants, easy to damage directly deteriorate performance reliability laser. In this paper, considering effects above factors, two typical short-term damages - energy induced pollutant-induced are studied quantitatively. Using an experimental design, theoretical calculation, characterization analysis, numerical simulation, we found that by...