A5023342510- Atomic and Subatomic Physics Research
- Network Traffic and Congestion Control
- Ionosphere and magnetosphere dynamics
- Superconducting Materials and Applications
- Geomagnetism and Paleomagnetism Studies
- Magnetic Properties and Applications
- Integrated Energy Systems Optimization
- Magnetic Bearings and Levitation Dynamics
- Earthquake Detection and Analysis
- Network Security and Intrusion Detection
- Non-Destructive Testing Techniques
- Advanced MRI Techniques and Applications
- Internet Traffic Analysis and Secure E-voting
- Optical Wireless Communication Technologies
- Wave and Wind Energy Systems
- Water-Energy-Food Nexus Studies
- Advanced Photonic Communication Systems
- Electric Power System Optimization
- Satellite Communication Systems
- Electricity Theft Detection Techniques
- Wind Energy Research and Development
- Vehicle License Plate Recognition
- Power Transformer Diagnostics and Insulation
- Nuclear Physics and Applications
- Precipitation Measurement and Analysis
Beihang University
2008-2025
Academy of Military Medical Sciences
2024
Ningbo University of Technology
2022
University of Electronic Science and Technology of China
2020-2022
Ocean University of China
2018
Magnetic compensation coils are often used to improve the effectiveness of a magnetically shielded room (MSR), but distortion field is caused by shielding layer consisting high-permeability material, which leads reduction in capacity. To solve this problem, new method presented article based on target-field method, an image and particle swarm optimization. By way, magnetic system composed biplanar designed fabricated compensate background for wearable magnetoencephalography device inside...
The utilization of nanocrystalline magnetic shielding can provide a low-noise weak environment for various ultra-high sensitivity measurements. Their interlayer insulation properties effectively impede eddy currents, thereby ameliorating current losses and diminishing noise within the structure. However, nanocrystal's thin-layered structure stacking process greatly impact its effective permeability conductivity. Hence, this article presents quantitative evaluation research methodology...
Abstract In recent decades, magnetic shields have provided basic experimental environments for the measurements of extremely weak fields represented by biological signal. Excellent shielding performances, including low residual field and high factor (SF), are necessary to ensure quality these signals avoid interference external fields. The performance same device can be affected different degaussing test conditions, which remains systematically studied. this paper, experiments with variable...
To achieve the nearly zero-field environment, demagnetization is an indispensable step for magnetic shields composed of high-permeability material, which adjusts magnetization material to establish equilibrium with environmental field and improve shielding performance. The ideal can make on anhysteretic curve have a higher permeability than initial curve. However, inappropriate parameters degaussing cause state deviate from Therefore, this article proposes new assessment criterion analyze...
Biomagnetic field measurements necessitate magnetic shields of high performance, particularly for quasi-static and low-frequency fields. These largely rely on the properties shielding material. Magnetic shaking can enhance material's permeability by reducing hysteresis loss, though this method introduces interference into device, complicating environment. In study, an attenuation coefficient is introduced Jiles–Atherton model to quantify suppression effect based under To improve performance...
Abstract As the dominant shielding functional material, permalloy sheet primarily determines static and low-frequency performances of magnetically shielded room (MSR). However, lack measurement sheets for practical use would lead to a non-negligible evaluation error in MSR performance. Therefore, an estimation technique factor (SF) remanence is proposed this paper while considering nonlinear magnetic characteristics tested by single tester field degaussing situation (L-D-SST). First,...
Generally, a permalloy sheet is applied as the major shielding material for weakening environmental magnetic field interference in of high-precision measurement. The demagnetization determines its performance; therefore, an enhanced method measuring properties under degaussing excitation proposed this paper. apparatus and feedback control system are designed regulating B curve desired amplitude waveform. Furthermore, applying corresponding measurement approach such conditions investigated....
Abstract The demand for spatial nonlinear magnetic fields (SNMF) spans diverse domains, encompassing medical applications like drug transportation and aerospace such as attitude control. Existing designs of field coils predominantly focus on uniform gradient the complexity distribution often leads to intricate solution processes. This paper presents a novel approach coil design, addressing challenge SNMF by reconstructing characteristic matrix within traditional target method (TFM). To solve...
In recent years, the number of vehicles connected to Internet has increased explosively, and those have produced a large computing-intensive delay-sensitive applications, which brought severe challenges Vehicle (IoV). To effectively alleviate this situation, mobile edge computing (MEC) is proposed, allows offload tasks server for processing. But in real traffic environment, vehicle congestions morning-evening rush hours will lead sudden increase tasks. The traditional fixed Base Stations...
Cloud-based services for federated learning has received widespread attention its ability to collaboratively train a model without collecting users' local data. Although there are existing methods such as homomorphic encryption and secure multi-party computation address the privacy issues associated with parameter exchanging during aggregation, these will inevitably lead huge communication overheads or slow down training time. Functional (FE) is considered new approach privacy-preserving...
Direct current (DC) bias induced by the DC transmission and geomagnetically is a critical factor in abnormal operation of electrical equipment widely used field power distribution system state evaluation. As main affected component, vector magnetization transformer core under has rarely been studied, resulting inaccurate estimations. In this paper, dynamic hysteresis model that considers impact rotating DC-biased fields introduced into numerical analysis to simulate magnetic properties, iron...
Abstract The impact of Borrelia miyamotoi on human health, facilitated by the expanding geographical distribution and increasing population Ixodes ticks, remains obscure in context global climate change. We employed multiple models to evaluate effect change risk B. worldwide across various scenarios. habitat suitability index four primary vector tick species for , including persulcatus ricinus, pacificus scapularis was projected using a boosted regression tree model, considering shared...
To achieve a near-zero magnetic field environment, the use of permalloy sheets with high-performance properties is essential. However, mainstream welding processes for magnetically shielded rooms (MSRs), such as argon arc and laser welding, can degrade material. Additionally, neglecting anisotropy introduce unpredictable errors in evaluation MSR performance. address this issue, paper proposes modified model calculating shielding factor (SF) MSRs that incorporates anisotropic characteristics...
In this paper, we propose a novel secure communication method for terrestrial-satellite system called hybrid-power communication. Hybrid-power communication, which belongs to physical layer security technology, not only eliminates the need spread spectrum but also is compatible with technology. Compared artificial noise, ensures of confidential user more efficiently, utilizing non-confidential users whose has no be encrypted. By allocating different power signals in accordance factors,...
Radio Map Prediction (RMP), aiming at estimating coverage of radio wave, has been widely recognized as an enabling technology for improving spectrum efficiency. However, fast and reliable map prediction can be very challenging due to the complicated interaction between waves environment. In this paper, a novel Transformer based deep learning model termed RadioNet is proposed in urban scenarios. addition, Grid Embedding technique substitute original Position better anchor relative position...
The sea area to the southeast of Zhaitang Island, located in east coast Yellow Sea, China is a potential site for exploiting tidal current energy. Before these resources were developed effectively, assessment on extractable energy and its impact surrounding are needed. In this paper, 3D hydrodynamic model waters calibrated successfully verified with continuous insitu measured data, was built by Delft 3D-Flow, extracted turbine array emulated adding momentum loss term equations model. On...
Achievements of network traffic simulation provide realistic, feasible and accurate methods measuring bandwidth, latency, jitter so on. However as the development networking technology, traditional manners are becoming insufficient to high bandwidth matching real network, nor statistics characteristic such self-similarity. In this paper we propose Network Traffic Simulation platform based on Processor (NTS-NP). The has achieved: 1) real-time generation; 2) precision self-similarity flow,...