A5101659400- GaN-based semiconductor devices and materials
- Ga2O3 and related materials
- Optical Systems and Laser Technology
- Advanced Control and Stabilization in Aerospace Systems
- Advanced Measurement and Detection Methods
- ZnO doping and properties
- Teleoperation and Haptic Systems
- Infrared Target Detection Methodologies
- Adaptive Control of Nonlinear Systems
- Iterative Learning Control Systems
- Image and Video Stabilization
- Semiconductor materials and devices
- Soft Robotics and Applications
- Advanced Vision and Imaging
- Advanced Optical Sensing Technologies
- Electrochemical sensors and biosensors
- Microstructure and Mechanical Properties of Steels
- Ocular and Laser Science Research
- Control Systems in Engineering
- Mechanical and Optical Resonators
- Molecular Junctions and Nanostructures
- Land Use and Ecosystem Services
- Remote Sensing and LiDAR Applications
- Regional Economic and Spatial Analysis
- Phytoestrogen effects and research
Chinese Academy of Sciences
2013-2025
University of Chinese Academy of Sciences
2018-2025
Changchun Institute of Optics, Fine Mechanics and Physics
2013-2025
University of Science and Technology Beijing
2024-2025
Institute of Agro-Products Processing Science and Technology
2023-2024
Chinese Academy of Agricultural Sciences
2023-2024
Northeastern University
2024
Bengbu Medical College
2024
Anhui Institute of Information Technology
2023
Northeast Agricultural University
2023
The theoretical model of the polarization Coulomb field scattering (PCF) caused by charge density variation at AlGaN/AlN interface in strained AlGaN/AlN/GaN heterostructure field-effect transistors has been developed. And values for electron drift mobility, which were calculated using Matthiessen's rule that includes PCF, piezoelectric scattering, polar optical-phonon and roughness are good agreement with our experimental values. Therefore, PCF confirmed.
Traditional methodologies for assessing chemical toxicity are expensive and time-consuming. Computational modeling approaches have emerged as low-cost alternatives, especially those used to develop quantitative structure-activity relationship (QSAR) models. However, conventional QSAR models limited training data, leading low predictivity new compounds. We developed a data-driven approach constructing carcinogenicity-related these identify potential human carcinogens. To this goal, we probe...
As an important component of the urban ecosystem, street trees have made outstanding contribution to alleviating environmental pollution. Accurately extracting tree characteristics and species information can facilitate monitoring management trees, as well aiding landscaping studies ecology. In this study, we selected suburban areas Beijing Zhangjiakou investigated six representative using unmanned aerial vehicle (UAV) tilt photogrammetry. We extracted five attributes four combined attribute...
Abstract Hybrid excitons, characterized by their strong oscillation strength and long lifetimes, hold great potential as information carriers in semiconductors. They offer promising applications exciton‐based devices circuits. MoSe 2 /WS heterostructures represent an ideal platform for studying hybrid but how to regulate the exciton lifetime has not yet been explored. In this study, layer hybridization is modulated applying electric fields parallel or antiparallel dipole moment, enabling us...
Vascular interventional surgical robots (VISRs) can help doctors to avoid X-ray radiation. This paper proposes a leader–follower isomorphic robot where the structural form and operational logic are completely identical. The doctor’s operation on leader is precisely replicated follower robot, enabling delivery rotation capabilities. It further achieve collaborative operation. control system adopts four-channel scheme based acceleration approximately ideal transparency. error of...
This research focuses on 0.74 wt% silicon Nonoriented steel, obtaining different initial texture samples from hot‐rolled sheets at sampling angles ranging 0° to 75°. Furthermore, the evolution of microstructure and is observed throughout entire process by combining five annealing temperatures, including 780–980 °C. The results show that as angle increases, components along {110}<112>‐{110}<001> line tend decrease, in particular, Goss decreased 1.4% 0.3%, while those...
With the implementation of human activities, such as logging, reclamation, and construction, increasing fragmentation ecological space blockage biological migration corridors cause many threats to biodiversity conservation. In this study, we used Northwest Beijing Ecological Containment Area research area. Based on an integrated circuit theoretical model, identified functional connectivity networks analyzed spatial temporal changes patterns in region from 1998–2018 terms landscape...
Limitations on data volume and quality are key bottlenecks in using machine learning for property prediction property-oriented composition design of non-oriented silicon steel. In response, this study employed a Gaussian Mixture Model (GMM) to generate virtual samples enhancing the in-house experimental data, by which generated well captured distribution raw data. As result, compared with model without augmentation, enhanced (composition → property) fitted improved its R2 value from 0.52...
Accurate modeling of windbreaks is essential for the precise assessment wind protection performance. However, in most windbreak studies, models used approximate shape simulated trees, resulting significant differences between results and actual situation. In this study, terrestrial laser scanning (TLS) was to extract tree parameters, which were a quantitative structural model (AdQSM) recreate structure restore field environment using computational fluid dynamics software PHOENICS. addition,...
The photoelectric tracking system, which consists of optical, mechanical, electrical, and computer components, is in charge targets at extremely long distances [...]
Urban remote sensing with moving carriers enables comprehensive monitoring of an urban area. High spatial resolution and wide covering are always required to improve the performance efficiency sensing. Continuous scanning imaging is a feasible solution. However, motion degrades system. Rotating leads loss key morphology information panorama imaging. Image translation results in blurry images. For high low illumination condition, such as at dusk, long-focus lens long integral time must be...
Abstract：In terms of control，this study systematically reviews the advanced technology and research progress image shift rotation compensation control for aviation optoelectronic im • aging with a large field view high-resolution requirements.Under development trend control，the can be divided into two major categories：singleand multi-actuator cooperative controls.For single-actuator control，compen• sation methods based on gimbal control，optical path folding，and imaging medium are summa•...
Gate-source frequency-dependent capacitance and conductance measurements were performed on the In0.17Al0.83N/AlN/GaN heterostructure field-effect transistor with side-Ohmic contacts to study characteristics of trap states at interface between InAlN GaN. The values state density time constant determined be (0.96–3.36) × 1013 cm−2 eV−1 (0.29–1.61) μs, respectively. We calculated strain in barrier layer under gate found that was compressively strained in-plane 1.31%. This is a possible reason...
Sensor differential signals are widely used in many systems. The tracking differentiator (TD) is an effective method to obtain signal differentials. Differential calculation noise-sensitive. There the characteristics of low-pass filter (LPF) TD suppress noise, but phase lag introduced. For LPF, fixed filtering parameters cannot achieve both noise suppression and compensation compensation. We propose a fuzzy self-tuning (FSTD) capable adaptively adjusting parameters, which uses frequency...
In the aerospace field, compact optoelectronic platforms (COPs) are being increasingly equipped on unmanned aircraft systems (UAS). They assist UAS in a range of mission-specific tasks such as disaster relief, crop testing, and firefighting. However, strict constraint structure space makes COPs subject to multi-source disturbances. The application low-cost low-precision sensor also affects system control performance. A composite hierarchical anti-disturbance (CHADC) scheme with multisensor...