A5071529395- Advanced Antenna and Metasurface Technologies
- Metamaterials and Metasurfaces Applications
- Antenna Design and Analysis
- Microwave Engineering and Waveguides
- Orbital Angular Momentum in Optics
- Plasmonic and Surface Plasmon Research
- Antenna Design and Optimization
- Photonic and Optical Devices
- Photonic Crystals and Applications
- Energy Harvesting in Wireless Networks
- Human Mobility and Location-Based Analysis
- Pharmaceutical and Antibiotic Environmental Impacts
- Microwave Imaging and Scattering Analysis
- Advanced SAR Imaging Techniques
- Antibiotic Resistance in Bacteria
- Advanced Materials and Mechanics
- Laser Material Processing Techniques
- Heart Rate Variability and Autonomic Control
- Radar Systems and Signal Processing
- Spectroscopy and Laser Applications
- Terahertz technology and applications
- Advanced Chemical Physics Studies
- Advanced Adaptive Filtering Techniques
- Recommender Systems and Techniques
- Radio Frequency Integrated Circuit Design
Wuhan Technical College of Communications
2025
Jiangnan University
2025
Xi'an Jiaotong University
2015-2024
China Coal Research Institute (China)
2024
China Coal Technology and Engineering Group Corp (China)
2024
Wuhan University
2024
Zhejiang Wanli University
2024
Changchun University
2024
Guizhou University
2023-2024
State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing
2024
An artificial muscle capable of shape programmability, deformation-locking capacity without needing continuous external energy, and self-sensing capability is highly desirable yet challenging in applications reconfigurable antenna, deployable space structures, etc. Inspired by coupled behavior the muscles, bones, nerve system mammals, a multifunctional based on polydopamine-coated liquid crystal elastomer (LCE) low-melting point alloy (LMPA) form concentric tube/rod proposed. Thereinto,...
This paper proposes a reconfigurable polarization converter based on p-i-n diode controlled active metasurface (AMS). The AMS consists of thin dielectric substrate and is tuned by two identical layers elliptic split rings loaded with diodes. diodes are positioned between the gaps biased through interconnected without extra bias network. design achieves conversion from linear to circular when OFF, whereas no takes place ON. A prototype proposed fabricated, operational characteristics...
A bilayered chiral metamaterial is proposed to realize a dual band polarization angle insensitive 90° rotator. The unit cell of the composed by twisted electric field coupled resonators in four-fold rotation symmetry. simulation and measured results show that this device can work with an extremely low loss conversion ratio more than 99%. study current fields distribution indicates cross-polarization transmission due both coupling magnetic coupling.
A gradient metasurface is proposed to obtain both surface wave coupling and anomalous reflection. The unit cell of the composed by six electric field coupled resonators in different rotation angle, which provides a phase gradient. simulation measured results show that this can work at 7.8 GHz as coupler 10.288 providing phenomenon At two frequencies, direction reflection polarization-controlled, efficiencies are polarization-invariant. left-handed polarization incidence, opposite situation...
We propose a method for achieving THz ultra-broadband coherent absorption using the anti-reflection theory of metamaterials. The metamaterial absorber consists periodic array electric ring resonators with multilayered structure which form desired refractive index dispersion and provide continuous over wide frequency range. destructive interference mechanism resonance are determined by simulation analysis numerical simulation. Simulation results show that bandwidth is almost 8.02 (absorption...
Previous studies on orbital angular momentum (OAM) communication mainly considered line-of-sight environments. In this letter, however, it is found that OAM with high-order modulation can be achieved in highly reverberant environments by combining the multiplexing a spatial equalizer. The exhibits comparable performance of conventional multiple-input multiple-output (MIMO) system.
In this paper, we report on the design, fabrication and subsequent investigation of a broad band cross polarization converter based C2-symmetric ring/disk cavity. Different plasmon hybridization modes are excited in cavity enable manipulations. The designed can convert x or y polarized incident wave to its frequency range from 9.65 14.16 GHz with bandwidth ~38% central wavelength an efficiency higher than 80%. At 9.25 14.35 GHz, (y) is converted left (right) handed right (left) circularly...
Hemophagocytic lymphohistiocytosis (HLH) is a heterogeneous disease with major diagnostic and therapeutic difficulties. A large-scale multicenter study of pediatric HLH still lacking in China.The Histiocytosis Study Group the Chinese Pediatric Society conducted this retrospective 2014. total 323 patients diagnosed between 2011 2013 from 12 hospitals were registered.The median age at diagnosis was 2.2 years (range, 0-14.6 years), peak onset 0 to 3 (63%). Mutations HLH-related genes found...
In this letter, an active metasurface for vortex beam generation is proposed. This can transform the incident plane wave into beams carrying orbital angular momentum of three different orders. composed array varactor diodes loaded unit cells. The transmission phase each cell be fully controlled by capacitance diodes. Different modes separately generated simply changing distribution on aperture. properties proposed are demonstrated simulation and measurement results, which have a good...
Abstract Vortex beam carrying orbital angular momentum (OAM) has been experiencing a research upsurge attributed to its excellent communication capability, which also boosts the development of OAM technology and promotes application generator. However, most existing designs generators can only produce small number diverse modes, restrict channel capacity single Herein, an appealing strategy six‐mode generator based on helicity‐assisted full‐space metasurface is proposed generate up six modes...
Abstract In this paper, the microwave data of traffic are collected by RTMS instrument, and preprocessed with help standardized timestamp anomalous processing techniques, spatio-temporal correlation is analyzed. On basis characteristics flow, flow missing repair model (TDIM) based on third-order tensor Tucker decomposition constructed to realize data. The results show that there an obvious change cycle law between urban road network itself, mutual influence propagation phenomenon conditions...
Phellinus linteus (Agaricomycetes) is a valuable medicinal mushroom traditionally used as food supplement and ingredient. Polysaccharides of Ph. (PLP) possess strong anti-inflammatory effects gut microbiota modulating properties. However, the mechanism its efficacy in ulcerative colitis (UC) remains unclear. This study utilized 1mM H2O2 to induce an vitro model UC Caco-2 cells. Additionally, 3% solution dextran sulfate sodium salt (DSS) was employed establish vivo mice. After treating cells...
A novel probe-fed stacked annular patch antenna is proposed for Global Navigation Satellite System (GNSS) applications. The has been designed to operate at the satellite navigation frequency bands including GPS, GLONASS, BDS-1, and BDS-2. In design, four patches are achieve multiband operation compactness. Quadrature phase feed network comprising 90° stripline baluns employed ensure circularly polarized (CP) radiation. Another key feature of our design stepped-radius shorting pillar reduce...
In this letter, a stopband frequency selective surface (FSS) with great incident angle independence and polarization stability is proposed fabricated. Each element of the FSS consists cross spiral patch four same second iteration H-shaped fractal parts in C4 rotation symmetry. This exhibits ranging from 0° to 80° for both TE TM polarizations. addition, dimension can tune resonant frequency. However it has negligible influence on stability. means be applied different ranges potential values...
A kind of transmission–reflection-integrated elements and metasurfaces (MSs) are proposed to achieve full-space manipulation amplitudes, phases, polarization states electromagnetic (EM) waves. The MSs designed control the reflection transmission under same incident wave. By introducing an amplitude–phase regulation structure each element, can be simultaneously controlled by three geometric parameters elements, respectively. To demonstrate abilities regulate EM waves, working in mode, mode...