A5100340550- Microwave Engineering and Waveguides
- Gyrotron and Vacuum Electronics Research
- Lightning and Electromagnetic Phenomena
- Antenna Design and Analysis
- High-Voltage Power Transmission Systems
- Advanced Antenna and Metasurface Technologies
- Advancements in Battery Materials
- Pulsed Power Technology Applications
- Thermal Analysis in Power Transmission
- Energy Harvesting in Wireless Networks
- Radio Frequency Integrated Circuit Design
- Terahertz technology and applications
- Supercapacitor Materials and Fabrication
- Magnetic confinement fusion research
- Advanced Battery Materials and Technologies
- Full-Duplex Wireless Communications
- Particle accelerators and beam dynamics
- Distributed Control Multi-Agent Systems
- High voltage insulation and dielectric phenomena
- Advanced Decision-Making Techniques
- Stability and Control of Uncertain Systems
- Laser Design and Applications
- Laser-Matter Interactions and Applications
- Optical Wireless Communication Technologies
- Metamaterials and Metasurfaces Applications
Shenzhen University
2025
University of Electronic Science and Technology of China
2015-2024
China Southern Power Grid (China)
2011-2024
Huzhou University
2024
Xi’an University of Posts and Telecommunications
2021-2023
Hangzhou Medical College
2023
Zhejiang Provincial People's Hospital
2023
University of Science and Technology of China
2022
Suzhou Institute of Nano-tech and Nano-bionics
2022
Chinese Academy of Sciences
2022
The use of two caffeine metabolite ratios for acetylator phenotyping was validated by demonstrating concordance with sulfamethazine tests in 178 unrelated healthy subjects. metabolites used this purpose were 5-acetylamino-6-amino-3-methyluracil (AAMU), 1-methylxanthine (1X), and 1-methylurate (1U). ratio AAMU/(AAMU + 1X 1U), referred to as molar or N-acetyltransferase, compared the AAMU/1X. results indicated that, screening purposes, phenotype can be determined analysis a 6-hour urine sample...
The sine waveguide (SWG) is presented as a potential slow-wave structure (SWS) for the millimeter-wave (mm-wave) and terahertz (THz) traveling-wave tube (TWT) because of advantages wide bandwidth, natural electron beam tunnel, easy fabrication. In particular, this theoretical study indicates that transmission loss SWG far less than folded SWS, which widely employed in mm-wave THz TWT. Here, flat-roofed circuit working <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML"...
Abstract Optimum performance of co‐existing radar and communication (CRC) system is a challenging task when target user exist within crowded area where path‐loss dominant. Inspired by the application intelligent reflecting surface (IRS) in reconstructing wireless transmission environment, this paper investigates deploying IRS to CRC pursue improvement. Particularly, we consider an IRS‐assisted not only provides indirect path but inevitably introduces additional interfering paths. Our goal...
Meander lines (MLs) in two configurations are presented to reduce the mutual coupling (MC) between microstrip patch antenna elements. Inserting a slot ground plane elements is simple method MC, while adding MLs of can further MC. In first configuration, one ML inserted and maximum MC reduction 39 dB throughout −10 bandwidth achieved. What’s more, radiation patterns not changed compared with dual-element array slotted ground. For second added It found that isolation 53 be obtained. However,...
A modified microstrip meander line (MML) slow-wave structure (SWS) embedded with dielectric rod for miniaturized traveling wave tubes (TWTs) is presented in this paper. High-frequency characteristics, fabrication processes, and beam-wave interaction of the MML SWS are analyzed. Compared conventional SWSs supported by substrate, possesses a wider cold bandwidth (about 53.5% increased) larger impedances 21.4% increased). Moreover, has better connection dielectric, which may improve structure's...
Depression is a common psychiatric disease. At present, psychometric scales are the main methods for detecting depression in patients and evaluating clinical treatment effect of depression. However, accuracy influenced by subjective factors doctors. This paper explored construction detection model based on task-state heart rate variability (HRV) parameters therapy related HRV parameters. The candidate were first extracted from electrocardiogram (ECG) collected before at three observation...
This Letter reports low-temperature (700 °C) growth of heavily Si-doped GaN (n++GaN) by metal-organic chemical vapor deposition with a resistivity as low 1.9 × 10−4 Ω·cm and an atomically smooth surface. Indium adatoms added during the n++GaN play important role in improving both surface morphology free electron concentration. On one hand, acting surfactant, they greatly boost mobility at temperature mitigate Si-induced anti-surfactant effect. other can effectively suppress formation...
An innovative complementary electric split-ring resonator metamaterial (MTM) structure applied as the slow-wave circuit for a cascade backward-wave oscillator (CBWO) operating in C-band is studied this paper. The idea of drift tube multiresonant cavity extended interaction klystron borrowed to design novel (BWO). construction device features two BWOs separated by short cutoff waveguide permitting flow electron beam and stopping electromagnetic wave. high-frequency characteristics are...
A W-band sheet electron beam (SEB) traveling-wave tube (TWT) based on flat-roofed sine waveguide slow-wave structure (FRSWG-SWS) is proposed. The wave of the metal grating replaced by a around tunnel. characteristics including dispersion properties and interaction impedance have been investigated using eigenmode solver in 3-D electromagnetic simulation software Ansoft HFSS. Through calculations, FRSWG SWS possesses larger average than conventional (SWG) frequency range 86-110 GHz. beam-wave...
A novel planar monopole antenna with dual‐band circularly polarisation (CP) is presented here. The consists of a modified L‐shaped monopole, an inverted‐L strip, and ground. utilisation the not only generates operation, but also excites CP radiation in lower band. In order to achieve upper band, parasitic strip added on top plane substrate ground designed. proposed has been fabricated tested, measured −10 dB reflection coefficient bandwidths are 370 MHz (2.38–2.85 GHz) band 2330 (4.05–6.38...
A theoretical model for calculation of the high frequency characteristics sine waveguide slow-wave structure (SWS) is proposed. The formulas dispersion and interaction impedances hybrid modes are obtained by combining Helmholtz equation with appropriate boundary conditions. Using full wave analysis method, it proved that periodic structures a half-period shift followed leads to pairwise closing passbands characteristic adjacent mode. SWS 0.22THz traveling tube (TWT) chosen as an illustrative...