- Antenna Design and Analysis
- Microwave Engineering and Waveguides
- Advanced MIMO Systems Optimization
- Silicon Nanostructures and Photoluminescence
- Radiation Detection and Scintillator Technologies
- ZnO doping and properties
- Semiconductor materials and devices
- Luminescence Properties of Advanced Materials
- Antenna Design and Optimization
- Advanced Antenna and Metasurface Technologies
- Millimeter-Wave Propagation and Modeling
- Nanowire Synthesis and Applications
- Ga2O3 and related materials
- Carbon and Quantum Dots Applications
- Gas Sensing Nanomaterials and Sensors
- Energy Harvesting in Wireless Networks
- Quantum Dots Synthesis And Properties
- Full-Duplex Wireless Communications
- Digital Radiography and Breast Imaging
- Wireless Body Area Networks
- Advanced biosensing and bioanalysis techniques
- Biosensors and Analytical Detection
- Target Tracking and Data Fusion in Sensor Networks
- Molecular Biology Techniques and Applications
- Blind Source Separation Techniques
Shanghai University
2010-2024
Huizhou University
2021-2024
Shaoxing University
2011-2012
Yangzhou University
2012
Heilongjiang University
2006
PLA Electronic Engineering Institute
2004
The design of a novel practical 28 GHz beam steering phased array antenna for future fifth generation mobile device applications is presented in this communication. proposed has 16 cavity-backed slot elements that are implemented via the metallic back casing device, which two eight-element arrays built on left- and right-side edges device. Each can yield at broadside gain >15 dBi be achieved boresight. measured 10 dB return loss bandwidth element was approximately 27.5-30 GHz. In addition,...
Abstract Ce 3+ ‐doped oxide glass with high Gd 2 O 3 (30 mol%) concentration was prepared as a scintillating under CO reducing atmosphere. A dominant emission band of the 5d → 4f transition peaking around 400 nm observed in photo‐ and radioluminescence (PL, RL) spectra. PL decay governed by few tens nanoseconds time. The integral scintillation efficiency about 30% Bi 4 Ge 12 scintillator well. It exhibits light yield 910 photons/MeV an energy resolution 18.3% (FWHM) pulse height spectrum 662...
A novel fan-out wafer-level packaging (FOWLP) technology with double-sided redistribution layers (RDLs) and tall copper vertical interconnects is described. The design of a dual-polarized magnetoelectric (ME) dipole antenna based on this new presented. It shown that the size <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$10\times10$ </tex-math></inline-formula> mm <sup...
In this letter, a compact multi-frequency broadband dual-antenna system with mutual coupling reduction for Wi-Fi 6E application is proposed. The consists of two identical IFA antennas and the minimum distance only 2 mm, yet antenna occupied small size 6.5 × 41 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> (about 0.05 <italic xmlns:xlink="http://www.w3.org/1999/xlink">λ</i> <sub xmlns:xlink="http://www.w3.org/1999/xlink">min</sub>...
Abstract High silica glass doped with Eu 2+ ions was prepared as a scintillating material by impregnation of into porous followed reduction sintering in CO atmosphere. A dominant emission band the 5d–4f transition peaking around 430 nm observed luminescence spectrum excitation peak 280 and no from 3+ present. Photoluminescence decay kinetics governed times few microseconds. The ‐doped high exhibited comparable energy resolution slightly higher photoelectron yield respect to Bi 4 Ge 3 O 12...
Fluorescence imaging technique has been used for of biological cells and tissues in vivo. The Cd-free luminescent quantum dots conjugating with a cancer targeting ligand taken as promising biocompatibility low cytotoxicity system targeted imaging. This work reports the synthesis fluorescent-doped core/shell water-soluble manganese-doped zinc sulfide. Quantum sulfide were prepared by nucleation doping strategy, 3-mercaptopropionic acid stabilizer at 90℃ aqueous solution. nanoparticles exhibit...
An ultrawideband dual-polarized antenna for fifth generation (5G) customer premise equipment is investigated and designed in a compact environment by using double-loop-dipole structure co-planar-slot feeding concept. First, the existing design of octagonal loop dipoles introduced at first. Then, novel are proposed demonstrated detail from current distribution physical sides. Finally, designed, fabricated, measured. The measured results present that has wide bandwidth 86% 2.2 to 5.5 GHz with...
In this article, a 2 × stacked patch antenna array with low profile (0.047 λ0) and compact size (the center to distance of two subarrays is 0.5 presented. To reduce mutual coupling, metal bar disposed between the subarrays. By investigating current density distribution on bar, decoupling effect explained. The proposed design also fabricated tested. results show that operating bandwidth 1.71 1.88 GHz covered, voltage standing wave ratio (VSWR) <1.4. isolations co-polarized ports...
Thiol-capped CdSe/CdS core/shell nanocrystals (NCs) which show high luminescence quantum yield are synthesized in an aqueous solution. UV-Vis absorption spectroscopy and photoluminescence (PL) employed to analyze optical characters stabilities of NCs. Furthermore, PL properties studied a temperature range between 77K 300K. The peak position bare CdSe NCs shifts toward shorter wavelengths the band becomes sharper with decreasing temperature. On same condition, keeps unconverted nearly...
A multilayer film (multi-film), consisting of alternate Er-Si-codoped Al2O3 (ESA) and Si-doped (SA) sublayers, is synthesized by co-sputtering from separated Er, Si, targets. The dependence Er3+ related photoluminescence (PL) properties on annealing temperatures over 700–1100°C studied. maximum intensity photoluminance (PL), about 10 times higher than that the monolayer film, obtained multi-film annealed at 950°C. enhancement PL attributed to energy transfer silicon nanocrystals (Si-NCs)...
In this paper, a novel millimeter wave (mm-Wave) phased array antenna has been investigated for the upcoming 5th generation mobile device. The radiating element is composed of cavity-backed slot with gradual step inside which connected to short pin that connects micostrip feeding line. proposed working at frequency 28 GHz and can be easily integrated into current metallic frame handset devices while maintaining good beam-steering characteristic. Extensive simulations ascertain mm-Wave highly...
A cavity-backed dipole antenna with dual-band characteristics is presented in this paper. The radiator and the balun a microstrip line to slotline transition structure built on both sides of RT/Duroid 5880 substrate. Two linear arrays 8 elements simulated observe operating bandwidth radiation performance antenna. proposed can cover 28 GHz 39 GHz.
In this letter, a miniaturized, low profile and mutual coupling antenna array with stable radiation pattern for fifth-generation microcell is presented. The element contains three parts, folded dipole radiator, vertical feeding baluns, reflector. Four striplines end connections stepped slots etched on the main radiator are adopted to enhance impedance bandwidth miniaturized antenna's aperture in low-profile configuration. While stripline structure applied reduce dual-polarized antenna....