Publications (18)
Modeling and Experiments of an Injection-Locked Magnetron With Various Load Reflection Levels
Xiaojie Chen, Bo Yang, Naoki Shinohara +1
In this article, we investigate the performance of an injection-locked 5.8-GHz continuous-wave magnetron with various load reflection levels. The load reflection is introduced to a…
High-Efficiency Octave Bandwidth Rectifier for Electromagnetic Energy Harvesting
Haoming He, Yilin Zhou, Zhongqi He +2
This letter presents the design and implementation of a compact high-efficiency octave microwave rectifier. A key highlight is the novel segmented impedance matching method, a uniq…
Enhancing Microwave Heating Uniformity in Cavities Using a 2-bit Coding Metasurface
Zhongyin Peng, Chengrong Wang, Changjun Liu +2
A novel method for enhancing microwave heating uniformity using a 2-bit coding metasurface is proposed. This metasurface is specially designed to scatter incident waves into multip…
Second- and Third-Harmonic Backscatter Through a Bandstop Filter Using Defected Ground Structure
Dan Che, Changjun Liu, Haoming He +2
In this brief, a novel harmonic-backscatter-rectifier (HBR) is introduced for simultaneous rectification and harmonic-based uplink. The proposed (HBR) employs a rectifier to genera…
A Reconfigurable Circuit Strategy and Its Application in Low-Power Rectifier for Ambient Energy Harvesting
Zhongqi He, Haoming He, Liping Yan +1
In ambient electromagnetic energy harvesting systems, the input power to the rectifier is low. To improve rectification efficiency, Schottky diodes, which are sensitive to low powe…
A High-Efficiency Microwave Power Combining System Based on Frequency-Tuning Injection-Locked Magnetrons
Xiaojie Chen, Bo Yang, Naoki Shinohara +1
To increase the power level and energy utilization rate of injection-locked magnetron sources, a dual way 1-kW S-band magnetron microwave power combining system with high combining…
Experimental study on an S-band near-field microwave magnetron power transmission system on hundred-watt level
Biao Zhang, Wan Jiang, Yang Yang +3
A multi-magnetron microwave source, a metamaterial transmitting antenna, and a large power rectenna array are presented to build a near-field 2.45 GHz microwave power transmission…
An Adaptive Power Division Strategy for Nonlinear Components in Rectification
Zhongqi He, Liping Yan, Changjun Liu
This letter presents a novel adaptive power division strategy, which uses two rectifying diodes with nonlinear impedance characteristics that are configured in parallel to function…
Study on Improving Microwave Heating Uniformity Based on Phase-Frequency Simultaneous Modulation Technique
Xu Zhu, Shaoyue Wang, Da He +3
Conventional microwave heating techniques are limited due to inherent thermal point residency effects and inadequate control over the heating process. A novel method is proposed to…
A C-band microwave rectifier without capacitors for microwave power transmission
Biao Zhang, Wan Jiang, Chengyang Yu +1
A microwave rectifier at 5.8 GHz without any capacitors is presented, which owns a measured MW-to-DC conversion efficiency of 68.1%. A harmonic rejection filter and a DC pass filte…
High-Efficiency Isolator-Free Magnetron Power Combining Method Based on H-Plane Tee Coupling and Peer-to-Peer Locking
Shaoyue Wang, Xu Zhu, Xiaojie Chen +4
Magnetrons are widely used as high-performance microwave sources in microwave heating, microwave chemistry, and microwave power transmission due to their high efficiency, low cost,…
Design of a High-Power and High-Efficiency GaN-HEMT VCO Based on an Inverse Class-F Amplifier
Junlin Mi, Ruinan Fan, Liping Yan +2
This letter proposes a high-power and high-efficiency GaN-HEMT voltage-controlled oscillator. The VCO consists of a coupled-line coupler, an inverse class-F amplifier, and a novel…
A Novel Class-F 2.45/5.8 GHz Dual-Band Rectifier for Wireless Power Transmission
Siyi Xiao, Changjun Liu, Haoming He +2
This letter proposes a high-efficiency dual-band class-F rectifier for wireless power transmission (WPT). The rectifier comprises a dual-band harmonic termination network, a dual-b…
Theoretical and experimental development of a high-conversion-efficiency rectifier at X-band
Feifei Tan, Changjun Liu
Voltage doubler rectifiers are usually applied to systems with high voltage and low current requirement. An X band voltage doubler rectifier has been developed with 72% conversion…
Deep Probabilistic Time Series Forecasting using Augmented Recurrent Input for Dynamic Systems
Haitao Liu, Changjun Liu, Xiaomo Jiang +3
The demand of probabilistic time series forecasting has been recently raised in various dynamic system scenarios, for example, system identification and prognostic and health manag…
Harmonic-Recycling Rectification Based on Novel Compact Dual-Band Resonator
Pengde Wu, Hao Wu, Yi-Dan Chen +3
Harmonic generation during radio frequency (RF)-dc conversion causes performance degradation of a microwave rectifying circuit. To suppress and recycle the harmonic power, this let…
Modular Multirotary Joints SPS Concept-Challenges and Design Considerations
Xinbin Hou, Zhengai Cheng, Xin Wang +1
As a major space based energy infrastructure in response to the challenge of climate change, space solar power SSP has attracted extensive international attention for more than 55…
Compact High-Efficiency All-Polarization Rectenna for Wireless Power Transmission
Haoming He, Zongyang Dan, Zhongqi He +1
In this letter, we present an innovative design for a compact, high-efficiency all-polarization receiving rectenna tailored for wireless power transmission. This rectenna, which in…