A5063700913- Landslides and related hazards
- Flood Risk Assessment and Management
- Seismology and Earthquake Studies
- Advanced Antenna and Metasurface Technologies
- Seismic Performance and Analysis
- Supercapacitor Materials and Fabrication
- Antenna Design and Analysis
- Structural Health Monitoring Techniques
- Millimeter-Wave Propagation and Modeling
- Microwave Engineering and Waveguides
- Tree Root and Stability Studies
- Geotechnical Engineering and Underground Structures
- Geotechnical Engineering and Analysis
- Disaster Management and Resilience
- Hydrology and Sediment Transport Processes
- Structural Response to Dynamic Loads
- Advanced battery technologies research
- Conducting polymers and applications
- Power Systems and Technologies
- Dielectric materials and actuators
- Image Processing and 3D Reconstruction
- Optical Systems and Laser Technology
- Grouting, Rheology, and Soil Mechanics
- Smart Grid Security and Resilience
- Privacy-Preserving Technologies in Data
National Institute of Hospital Administration
2023-2024
University of Chinese Academy of Sciences
2023-2024
Northeast Forestry University
2024
Beijing Jiaotong University
2023-2024
Shanghai Tunnel Engineering Rail Transit Design & Research Institute
2023-2024
Beijing University of Posts and Telecommunications
2023
National Institute of Disaster Management
2023
North China Electric Power University
2020-2022
Institute of Navigation
2021
China University of Mining and Technology
2020
Improving disaster prevention, reduction, and emergency response capabilities is crucial in a country prone to frequent natural disasters. Since the release of ChatGPT, it has garnered widespread attention sparked extensive discussions various fields due its powerful language processing reasoning abilities. This paper explores application ChatGPT prevention building upon capabilities. The examines ChatGPT's ability gather information potential for science popularization education. It...
Introduction Landslides occur frequently in Zhenxiong County, posing significant threats to residents’ lives and property. A comprehensive understanding of the development patterns landslide disasters this region is crucial for disaster prevention, land-use planning, risk assessment. Methods This study utilized high-resolution satellite imagery from Google Earth Pro platform employed a human-machine interactive visual interpretation approach investigate occurrences. inventory comprising...
<title>Abstract</title> This study calculates the absolute probability of landslides under varying rainfall scenarios along Beijing-Guangzhou Railway from Zhuzhou to Guangzhou, aiming enhance railway transportation safety. Using a Bayesian sampling strategy, Logistic Regression (LR) model was developed for landslide hazard assessment based on geological conditions and data railway. The demonstrated strong predictive performance with an AUC value 0.86 both training testing sets, showing no...
Energy Internet has caught an attention of the global academic community, and it is being implemented actively. This paper describes basic features key structure Internet, proposes a hierarchical model, presents technologies, such as distributed energy storage technology, router big data technology blockchain, etc. It also summarizes evolving status in US, Germany, Japan, China. Based on analysis, viable implementing measurements are suggested for accelerating realization i.e. designing...
The 2023 Annual Academic Conference of the Committee on Earthquake Hazard Chain, Seismological Society China was held 23–24 October in Beijing, China, with theme theoretical research, technological applications, and popular science publicity disaster prevention, mitigation, relief earthquake chain. academic conference consisted opening ceremony, keynote lectures, lectures closing 118 speeches or lectures. content involves many aspects chain, such as prediction methods, formation mechanism,...
This article discusses the integration of biomass power generation as a renewable energy source with Internet to advance development new energy. In 2020, Chinese government introduced "double carbon" goal achieving carbon peak by 2030 and neutrality 2060, in alignment principles community common destiny promoting sustainable strategies. Biomass generation, green technology, offers promising applications era "Internet plus." By harnessing potential information technology coordinated multiple...
Abstract In millimetre wave (mmWave) frequency band, radio resource management (RRM) performance is characterised in plane conditions using radiated over‐the‐air test method, which a challenging combination of protocol and measurement. This article presents novel design multiple lens‐based compact antenna ranges (CATRs) to simulate angles arrival from different base‐stations RRM Only four CATRs are proposed create at the device under with six capable accurately constructing wireless...
Abstract The complex geological environment and strong tectonic movement have led to the development of a large number ancient landslides along Jinsha River. These exhibit characteristics large-scale, formation mechanisms, multiple sliding periods, high potential hazards. In this study, we aim construct an landslide inventory conduct hazard assessment Wudongde hydropower station section its surrounding areas, which is located in downstream area We used visual interpretation method recognize...
Blockchain is an emerging technology, which can solve a series of problems the traditional energy industry and promote its development, such as peer-to-peer transaction distributed energy, tracking carbon emissions et al. At same time, application blockchain technology brings some challenges, regulatory difficulties privacy problems. In this work, in status Energy Internet was briefly summarized, security issue lack protection were pointed out. By analyzing results other industries, methods...
In this paper, a new metamaterial lens antenna for the compact test range (CATR) system is proposed. CATR design, feed source choke coil horn antenna, and unit formed by etching slotted metal sheet on single-layer dielectric substrate. The size of <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$5\text{mm}\times 5\text{mm}$</tex> , overall xmlns:xlink="http://www.w3.org/1999/xlink">$53\text{cm}\times 53\text{cm}$</tex> number units 101×101....
A wideband dual-polarization reflectarray unit is proposed in this paper, which applied to broadband antenna. This has parallel and equidistant phases the range of 24-27GHz, flat slope good reflection performance. The simulation results show that gain antenna designed with greater than 29.5dBi at 24-29GHz, performance realized, 3dB bandwidth 18.9%.
A new type of optically transparent metasurface which can be integrated into window glass for 5G outdoor and indoor coverage enhancement is proposed in this paper. The sub-wavelength element achieved peak return loss within 2.8dB phase variation more than 360° during 26GHz - 30GHz. For verification, a simulation demonstration 25 × reflectarray with the focus to diameter ratio (F/D) 0.8 showed that gain at center operating frequency 28GHz could reach 24.5dBi, higher radiation efficiency over 76.8%.
In this paper, a reflective compact antenna test range based on low profile meta material array is proposed, aiming to reduce the cost of traditional range. The system comprises choke coil horn and formed by triple-ring electromagnetic Metamaterial units. half-power beam width 46°, ensuring uniform electric field distribution within main coverage area rapidly decreasing zero at edges, minimizing impact edge effects quiet zone. metamaterial units employ structure, providing 360° phase shift...