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Ubaid Ur Rahman Qureshi, Muhammad Ismail Khan and Bin Hu
In this study, an ultra-wideband actively tunable terahertz absorber composed of four identical arc-shaped structures made of phase transition material vanadium dioxide (VO2) is presented. A metal ground plane is placed at the bottom and an insulating sp...
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Jinjing Ren, Hezhihan Fan, Qi Tang, Zhongyuan Yu, Yang Xiao and Xiang Zhou
Enlarging or reducing the antenna beam width of antennas can improve the positioning capability of detection systems. A miniaturized and easily fabricated ultra-wideband (UWB) antenna system for long-distance electromagnetic detection is proposed in this...
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Priyanka Singh, Rajendra kumar nagaria
Pág. 12 - 28
This study aims to present a new resistor-less current-mode multi-input single-output universal filter. The current-mode?s design approach is used to obtain the proposed circuit. This circuit employs a single differential voltage extra-X current controll...
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Hongyu Ren, Qianyi Shangguan, Zijun Song, Yong Zhao, Zao Yi, Guolu Ma, Jianguo Zhang, Hua Yang, Shifa Wang and Pinghui Wu
This paper presents a graphene metamaterial absorber based on impedance matching. A finite difference in time domain (FDTD) method is used to achieve a theoretically perfect absorption in the mid-infrared band. A basis is created for the multiband stable...
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Timothy Vervaet, Vasiliki Stratigaki, Francesco Ferri, Louis De Beule, Hendrik Claerbout, Bono De Witte, Marc Vantorre and Peter Troch
To offer point absorber wave energy converters (WECs) as a bankable product on the marine renewable energy market, multiple WECs will be installed together in an array configuration. The wave energy community (research and industrial) has identified the ...
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