A5100359935- Microwave Engineering and Waveguides
- Electromagnetic Compatibility and Noise Suppression
- Antenna Design and Analysis
- Sensor Technology and Measurement Systems
- Advanced Antenna and Metasurface Technologies
- Radio Frequency Integrated Circuit Design
- Electrical and Bioimpedance Tomography
- High voltage insulation and dielectric phenomena
- Noise Effects and Management
- Vibration and Dynamic Analysis
- Plant and Biological Electrophysiology Studies
- Advanced Fiber Optic Sensors
- Microfluidic and Bio-sensing Technologies
- Gyrotron and Vacuum Electronics Research
- Traffic Prediction and Management Techniques
- Civil and Geotechnical Engineering Research
- Industrial Vision Systems and Defect Detection
- Infrastructure Maintenance and Monitoring
- Muscle activation and electromyography studies
- Advanced Measurement and Detection Methods
- Magnetic and Electromagnetic Effects
Southeast University
2022
University of Electronic Science and Technology of China
2022
Heriot-Watt University
2016-2019
National University of Defense Technology
2012-2013
Zhengzhou University
2012
Shanghai Ship and Shipping Research Institute
2006
A novel bioelectrical impedance spectroscopy system based on the digital auto-balancing bridge method improved from conventional analogue is presented for measurements. The hardware of proposed consists a reference source, null detector, variable field programmable gate array, clock generator, flash and USB controller. Software implemented in array includes three major blocks: management, peripheral control signal processing. principle realization least-mean-squares-based algorithm...
This paper presents a novel lossy six-pole microstrip bandpass filter using extracted-pole technique that shows good performance of high selectivity and flat insertion loss in the passband. The is achieved by introducing two transmission zeros extracted poles passband contributed resistive cross coupling in-line network. Theoretical modelling, full-wave electromagnetism simulation experiment have showed promising results for further development.
The application of biological impedance measurement demands for high-accuracy and fast-speed. A novel system based on automatic balancing bridge is proposed. Besides the improvement accuracy introduced by method, utilization Least Mean Square (LMS) method guarantees speed. We designed calibration to eliminate error inducted practical circuit. test results reveal in-phase quadrature component errors proposed with are respectively lower than 2 percent 3.2 in range 1KHz 1MHz. has advantages...
This paper presents a novel microwave bandpass filter using microstrip slow-wave open-loop resonators and multilayer liquid crystal polymer (LCP) technologies. The new has not only very compact size due to the effect, but also exhibits ultra-wider upper stopband resulting from dispersion property. A five-pole of this type, i.e., centered at f <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">c</sub> =1.18 GHz with -3dB fractional bandwidth 17%,...
Precise online measurement of cable diameter and length will ensure stability quality production speed. This paper describes a measuring device to measure simultaneously, accomplish process control. The consists mainly synchronous sampling part, calculation control part. part two parallel rollers one meter far from each other. A band cinctures the move together with them. There are electromagnetic chucks on which controlled by photoelectric position switches hold or release cable, in order...
In this article, computer-aided design of a new type microstrip lossy filter is described. The realized by introducing resistive cross couplings into extracted-pole to achieve flat passband. high selectivity achieved 2 transmission zeros using extracted poles, which can be adjusted. An equivalent circuit model established and its parameters, are useful for physical implementation the filter, determined in light computer modeling. For demonstration, two 6-pole filters centered at GHz with...
Plant electrical signals have complex and time-varying unsteady characteristics. Before obtaining useful signals, it is necessary to preprocess the original strictly limit collected frequency band. Firstly, signal filtered by low-pass filter suppress high-frequency noise; Then, notch used eliminate 50 Hz power interference caused active equipment in test environment. In addition, method of wavelet denoising process signal, which makes easier separate noise or other unnecessary information....
In this paper, a Ka-band planar slot antenna array with low profile and reconfigurable polarization is designed. The antenna-array unit adopts the traditional pair that are arranged nearly perpendicular to each other realize circular characteristics. feeding network utilizes coaxial feed waveguide achieve desired broadband separates radiation layer from dielectric layer, so surface mechanically adjustable tuning of can be realized by rotating surface.