A5024709603- Microwave Engineering and Waveguides
- Advanced Antenna and Metasurface Technologies
- Radio Frequency Integrated Circuit Design
- Electromagnetic Compatibility and Noise Suppression
- Photonic and Optical Devices
- Antenna Design and Analysis
- Full-Duplex Wireless Communications
- Semiconductor Lasers and Optical Devices
- Gyrotron and Vacuum Electronics Research
- Vibration Control and Rheological Fluids
- Laser-induced spectroscopy and plasma
- Piezoelectric Actuators and Control
- Advanced Surface Polishing Techniques
- Advanced Fiber Laser Technologies
- Laser Design and Applications
- Structural Health Monitoring Techniques
- Iterative Learning Control Systems
- Spectroscopy and Laser Applications
- Engineering Structural Analysis Methods
- Advanced Measurement and Metrology Techniques
- Structural Engineering and Vibration Analysis
- Force Microscopy Techniques and Applications
- Optical measurement and interference techniques
- Metal Forming Simulation Techniques
- Advanced Fiber Optic Sensors
Shandong University of Technology
2024-2025
Xi'an Jiaotong University
1982-2024
University of Shanghai for Science and Technology
2023-2024
Tsinghua University
2005-2023
Henan Polytechnic University
2023
Northwestern Polytechnical University
2012-2022
University of Electronic Science and Technology of China
2014-2020
Jiangsu University
2014-2020
China Academy of Engineering Physics
2017-2019
Shanghai Jiao Tong University
2019
In the age of Artificial Intelligence (AI), huge data movements between memory and computing units become bottleneck von Neumann architectures, i.e., "memory wall" problem. order to tackle this challenge, Processing-In-Memory (PIM) architectures are proposed, which perform in-situ computations in give alternative solutions boost energy efficiency performance. Because large-scale Neural Network (NN) algorithm models hardware design space, various factors affect accuracy performance, bringing...
A compact quad-band bandpass filter using quad-mode stepped impedance resonator (QMSIR) is investigated in this paper. To get suitable coupling within the four passbands, multiple circuits between input/output ports and QMSIR are applied. Based on symmetry of QMSIR, even- odd-mode theory used to analyze equivalent QMSIR. Design equations derived, they guide design circuits. Four passbands can be easily tuned by its physical dimensions. Upper stopband improved adding open-loop SIRs at both...
A novel compact dual-band Gysel power divider with controllable frequency ratio using fully integrated composite right/left-handed (CRLH) transmission lines (TL) is presented in this letter. The Π-shaped CRLH TLs are utilized to realize the response. Theoretical analysis indicates that can be controlled by changing element values and number of constructing cells TLs. In addition, proposed structure compact. For demonstration, a operating at 2.4 3.5 GHz, respectively, implemented. Measured...
Due to the effects of control systems, wind turbine generators (WTGs) can exhibit complex dynamic characteristics and may cause harmonic or resonance problems in interconnected system. Impedance analysis is one effective means analyze such problems. Existing studies usually focus on grid-following WTGs grid-forming (GFM) operating at power frequency, while GFM-WTGs low medium frequencies do not get much attention. However, these two types are considered be promising for remote offshore...
Based on short-circuited stepped-impedance resonators (SIRs), a triple-band power divider (PD) with bandpass-filtering response is presented. The triple-passband filtering achieved for the presented PD. first and third passbands are realized by SIRs, while second passband introduced tuned half-wavelength independently. of PD has been designed using coupling matrix synthesis. Moreover, desired resonant frequencies three can be obtained tuning impedance ratio electric lengths high-impedance...
A compact reconfigurable bandpass-to-bandstop filter with wide tuning range is presented. The transformation achieved by a p-i-n diode. In the bandstop mode, two-pole response obtained introducing inductive coupling between two resonators of notch filter. bandpass center frequency and an external quality factor are controlled pairs varactors. pair transmission zeros generated paths, which improves selectivity. fabricated demonstrates miniaturized circuit size 0.16λ <sub...
A wideband four-way power divider (PD) with filtering response and high isolation is presented. This formed by connecting a pair of three parallel-coupled lines two stepped-impedance open-circuited stubs to output ports traditional Wilkinson PD. In addition, resistors, including air-bridged are properly placed achieve perfect isolations between all ports. prototype the proposed PD designed, simulated, measured. The measured results validate 86.4% bandwidth centered at 3.68 GHz more than...
A novel quasi-planar four-way chained power divider using rectangular coaxial waveguide is presented. The consist of a outer conductor and planar inner that stripline suspended at the middle conductor. Moreover, characteristic impedance proposed analyzed. Four cross coupling units locating along are utilized to realize power-dividing outputs. coaxial-waveguide operating C band developed with reasonable agreement between simulated measured results.
This article presents a novel balanced diplexer based on substrate integrated waveguide (SIW) dual-mode resonator. The six-port model has been introduced in this to achieve the conversion of S-parameters between and unbalanced devices. SIW resonator with common-mode (CM) rejection capability is able restrain CM signal passband diplexer. Moreover, performance improved by etching slotline surface without changing transmission differential-mode (DM) signal. A lower higher channels centered at...
In this letter, a wideband balanced bandpass filter (BPF) with the feature of common-mode (CM) noise absorption (CMNA) is presented. The whole circuit realized double-sided parallel-strip line (DSPSL). resistors placed at two sides work only when CM signals are excited. even/odd-mode equivalent circuits proposed BPF analyzed and systematic design method introduced to guide design. Finally, practical CMNA designed fabricated. A good performance consistency between simulation measured results...
A novel four-way multilayer substrate integrated waveguide (SIW) power divider with slot coupling structure is proposed in this letter. Two rectangular slots located the right and left arms of SIW T-junction are employed to achieve efficient transition two microstrip lines. Good impedance matching signal transmission between lines achieved. isolation resistors used improve output ports. The even- odd-mode analysis method circuit. prototype presented designed, fabricated, measured. measured...
Two filtering-response power dividers embedded substrate integrated waveguide (SIW) filter are presented in this paper. By employing different SIW resonators, single- and dual-band filtering response achieved, respectively. The even- odd-mode method the coupled resonator theory applied to analyze dividers. In addition, a novel isolation technique using multiple resistors is proposed improve output performance of divider with resonators. To verify circuits, designed, fabricated measured....
Abstract Premature rupture of membranes (PROM), defined as breakage the amniotic sac prior to delivery, complicates 2–4% pregnancies, leads one‐third preterm births, and increases risk perinatal mortality morbidity in survivors. In situ bioprinting enables fabrication 3D structures directly for tissue repair or reconstruction living animals, but is challenging perform subaqueous narrow space where fetal are located. This study reports a novel strategy consisting an ultrafast photoresponsive...
This paper presents a negative stiffness magnetic suspension vibration isolator (NSMSVI) using spring and rubber ligaments. The positive is obtained by repulsive while the gained In order to study isolation performance of NSMSVI, an analytical expression vertical stretch force ligament constructed. Experiments are carried out, which demonstrates that effective. Then deduced derivative with respect displacement inner ring. Furthermore, parametric out. As case study, size dimensions...
A novel extremely compact ultra‐wideband (UWB) power divider using hybrid slotline/microstrip‐line transition is proposed, designed, and implemented. The even‐ odd‐mode equivalent‐circuit method applied to the proposed divider. Measured results show that excellent impedance matching at input/output ports, amplitude phase balance, isolation between two output ports are observed within UWB band. has a simple structure good performance.
A novel compact dual-passband filtering-response power divider using modified stepped impedance resonators (SIRs) is presented. The quarter-wavelength transmission lines of conventional Wilkinson are replaced by the dual-band bandpass filters to realize response, and phase shift proposed tuned be 90°. An isolation resistance R placed at center symmetric plane good between two output ports. Two SIRs adopted in improve return loss both passbands control resonant frequencies. characteristic SIR...
A novel compact wideband four-way waveguide power divider has been developed for millimeter-wave/THz array application. The was realized by interconnecting three H-plane T-junction structures. By properly choosing the length of rectangular waveguide, bandwidth proposed can be broadened. Good phase and amplitude balance all output ports are guaranteed its symmetrical structure. According to EM simulations, simulated -20dB return loss is from 74.9GHz 98.3GHz, good got in operating band....