A5102727897- Antenna Design and Analysis
- Advanced Antenna and Metasurface Technologies
- Microwave Engineering and Waveguides
- Electromagnetic Compatibility and Noise Suppression
- High voltage insulation and dielectric phenomena
- Energy Harvesting in Wireless Networks
- Non-Destructive Testing Techniques
- Metamaterials and Metasurfaces Applications
- Wireless Body Area Networks
- Non-Invasive Vital Sign Monitoring
- Acoustic Wave Resonator Technologies
- Microwave and Dielectric Measurement Techniques
- Electrostatic Discharge in Electronics
- Advanced Sensor and Energy Harvesting Materials
- Microwave Imaging and Scattering Analysis
- Advanced SAR Imaging Techniques
- Ultrasonics and Acoustic Wave Propagation
- Radio Frequency Integrated Circuit Design
- Advanced Fiber Optic Sensors
- Tactile and Sensory Interactions
- Photoacoustic and Ultrasonic Imaging
- Power Transformer Diagnostics and Insulation
- Magnetic Field Sensors Techniques
- Antenna Design and Optimization
- Silicon Carbide Semiconductor Technologies
Nanyang Technological University
2017-2025
Wuhan Institute of Technology
2024-2025
Hefei University of Technology
2024-2025
Aerospace Information Research Institute
2024-2025
Chinese Academy of Sciences
2024-2025
Hangzhou Medical College
2021-2025
Zhejiang Provincial People's Hospital
2006-2025
Beijing University of Posts and Telecommunications
2025
Fuzhou University
2021-2024
Zhongshan People's Hospital
2024
A novel compact multiple-input multiple-output (MIMO) antenna is proposed with wideband gain enhancement. It consists of two identical elements spacing about half wavelength. First, a 1-to-2 Y-shaped power divider anti-phase outputs designed to feed modified Vivaldi radiators. The currents on the radiating surfaces keep same direction in increase radiation without being canceled. Second, square-ring unit cell analyzed form metasurface, placed front radiator. can guide forward electromagnetic...
A novel resonant tri-coil transducer is proposed to induce thermoacoustic (TA) signals for detecting rail internal defects. It consists of a ferrite plate-backed and its associated circuits, shielding layer, three-dimensional printed enclosure supporting securing. General TA detection theory illustrated understand how detect For achieving electromagnetic (EM) field shaping focusing, the physical structure optimized. reduces backward EM fields interference. Then, an equivalent circuit model...
Vehicular networks are becoming a prominent research field in the intelligent transportation system (ITS) due to nature and characteristics of providing high-level road safety optimized traffic management. Vehicles equipped with heavy communication equipment which requires high power supply, on-board computing device, data storage devices. Many wireless technologies deployed maintain enhance management system. The ITS is capable services authorities precautionary measures drivers passengers....
A compact dual-polarized multiple-input-multiple- output (MIMO) Vivaldi antenna with a wide bandwidth, high gain, and isolation is proposed for wireless communications in intelligent Internet of Vehicles (IoV). It consists four identical orthogonally-crossed radiators, crossed-fishbone-shaped slot, metasurface lens, parasitic stubs, electromagnetic (EM) wave reflector, three-dimensional (3D) printed radome dielectric resonator (DR) array. These functional modules jointly contribute to...
Simple and rapid Young's modulus measurements of soft materials adaptable to various scenarios are general significance, they require miniaturized measurement platforms with easy operation. Despite the advances made in portable wearable approaches, acquiring analyzing multiple or complicated signals necessitate tethered bulky components careful preparation. Here, a new methodology based on self-locked stretchable strain sensor haptically quantify (kPa-MPa) rapidly is reported. The method...
Rail foot corrosion is an important issue for electrified railway system. It usually initiates at the bottom of rail edges covered by a clip and hardly accessible to conventional online inspection systems. To address this problem, study combines air-coupled ultrasonic transducer (AUT) laser-induced guided wave detect corrosion. The sensitivity below 500 kHz examined considering impact clip. results have shown that A <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...
With a high porosity and highly adaptable topology, ZIF-67 is considered the most promising photocatalyst has received much attention development. However, photoactive electron extraction rate of still low, which major problem limiting its further In this paper, based on type I structure using quantum dots (QDs) as active site, we obtain QDs@ZIF-67/ZIF-8 heterostructure, ensures high-yield hydrogen efficiency. Quantum dots, transmission site photogenerated electrons, improve carrier...
A novel compact multiple-input-multiple-output (MIMO) antenna with a wide impedance bandwidth and high port isolation is proposed for vehicular base stations. The design consists of four identical vertically-polarized monopole-based elements, which are symmetrical about the central axis placed 90 degrees apart from each other. wideband decoupling features theoretically analyzed experimentally demonstrated. Four resonant frequencies created by F-shaped radiator, independent reflector...
A gain-enhanced wideband multiple-input multiple-output (MIMO) antenna with dual polarization and high isolation is proposed for microbase station application. It includes two mutually orthogonal bowtie dipole radiators, four parasitic elements the switch function of ON-/OFF-state, vertical stubs, a cavity, which are fed by pair 50 <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\Omega $...
In this paper, a novel super-wideband multiple-input multiple-output (SWB-MIMO) antenna system with high isolation has been proposed, each element consisting of spade-shaped radiation patch, defected ground structure (DGS) as well windmill-shaped decoupling structure. The elliptical slot etched on the patch and rectangular DGS are jointly utilized to make better performance impedance bandwidth. Both four-element eight-element SWB-MIMO systems simulated analyzed, respectively. A prototype...
A high-isolation Fabry–Pérot (FP) antenna array with wide bandwidth and high gain is proposed for <bold xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Ku</b> -band vehicle satellite communications. Each element consists of a pair tandem circular parasitic patches (TCPPs), radial gradient partially reflective surface (PRS), reflector, respectively, separated from the ground plane double-dumbbell-shaped slot (DDSS) by air layer foam dielectric. The...
Crystalline graphitic carbon nitride is an excellent photocatalyst for hydrogen production due to its non-toxicity, stability, elemental abundance, and visible-light response. Herein, we present a new type of composite photocatalysts, eco-friendly bamboo-charcoal-loaded nitrides accelerate the separation electron-hole pairs. The suitable loading bamboo charcoal on shows increased specific surface area from 85 120 m2 g−1, photocatalytic activity 4.1 mmol g−1 h−1, which 2.3 times higher than...
Abstract Tactile technologies that can identify human body features are valuable in clinical diagnosis and human–machine interactions. Previously, cutting‐edge tactile platforms have been able to structured non‐living objects; however, identification of remains challenging mainly because the irregular contour heterogeneous spatial distribution softness. Here, freestanding scalable force‐softness bimodal sensor arrays developed, enabling gloves using machine‐learning methods. The sensors...
Mitochondria-targeting photothermal therapy could significantly enhance the tumor cell killing effect. However, since therapeutic reagents need to overcome a series of physiological obstacles arrive at mitochondria accurately, precise mitochondria-targeting still faces great challenges. In this study, we developed self-delivery nanoplatform that specifically targeted cells for therapy. Photothermal agent IR780 was encapsulated by amphiphilic apoptotic peptide KLA with ability form...
Functional strain sensing is essential to develop health monitoring and Internet of Things. The performance either narrow range or low sensitivity restricts sensors in a wider future applications. Attaining both high wide sensor remains challenging. Herein, cluster-type microstructures strategy proposed for engineering stretchability highly sensitive sensor. resistance change the determined by deformation from close arrangement orderly interval state during being stretched. Because unique...
By monitoring the online common-mode (CM) impedance of an inverter-fed induction motor (IM) through inductive coupling technique at a specific frequency interest (FOI), stator interturn short-circuit (ITSC) faults IM can be detected with good confidence. The is adopted because it monitors CM without physical electrical connection, which eliminates safety hazards and facilitates ease implementation. Using 1/2-hp squirrel-cage as test case, has been demonstrated that proposed method sensitive...
A novel low-profile wideband antenna is proposed with high-gain, high-isolated, and dual-polarized properties. It consists of two mutually-orthogonal bowtie-shaped dipole radiators, four rectangular parasitic elements, a cylindrical artificial magnetic conductor (AMC) cavity. By introducing additional resonance generated, the bandwidth widened. The gain mainly improved by metallic wall AMC operates in ±90 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
A dynamic afterglow security label, with wavelength-dependent, temperature-switchable, time-resolved and nanozyme-responsive quad-modulation characteristics visual verification capability is developed.
Developing an accurate partial discharge (PD) monitoring system for switchgear has attracted significant attention in recent times. Detecting and distinguishing PDs with a portable PD detector is challenging due to the inherent noise interference similarity among different signals field conditions. In this study, we propose innovative approach that combines knowledge distillation (KD) multitask learning (MTL) efficiently transfer valuable insights acquired by advanced network more...