|
|
|
Sepideh Hassani, Chih-Hung Chen and Natalia K. Nikolova
This paper addresses the design of ultra-wideband (UWB) impedance matching networks operating in the unlicensed 3.1?10.6 GHz frequency band for low-power applications. It improves the simplified real frequency technique (SRFT) by adding a realizability c...
ver más
|
|
|
|
|
|
|
Songyan Li, Xiaoxia Tian, Jiafu Wang and Shaobo Qu
Improving the microwave absorption performance of Co-MOF-derived Co@N-C composite by constructing the morphology and spatial structure is a known challenge. In this work, under the action of the binder polyvinylpyrrolidone, 3D-graphene particles can be w...
ver más
|
|
|
|
|
|
|
Benoit Couraud, Remy Vauche, Spyridon Nektarios Daskalakis, David Flynn, Thibaut Deleruyelle, Edith Kussener and Stylianos Assimonis
Within an increasingly connected world, the exponential growth in the deployment of Internet of Things (IoT) applications presents a significant challenge in power and data transfer optimisation. Currently, the maximization of Radio Frequency (RF) system...
ver más
|
|
|
|
|
|
|
Demián García-Violini, Nicolás Faedo, Fernando Jaramillo-Lopez and John V. Ringwood
The design of controllers for wave energy devices has evolved from early monochromatic impedance-matching methods to complex numerical algorithms that can handle panchromatic seas, constraints, and nonlinearity. However, the potential high performance of...
ver más
|
|
|
|
|
|
|
Xiong Tao, Cancan Rong, Conghui Lu, Xiutao Huang, Yingqin Zeng, Zhaoyang Hu and Minghai Liu
The proposed new method can be used to maximize the transfer efficiency of mid-range wireless power transfer systems.
|
|
|
|
|
|
|
Shrutika Kansal,Ashok Kumar
Microstrip patch antenna is among the important elements of modern wireless communication systems and hence its designing and optimization has become an important aspect for improving the overall performance of the system. In this paper microstrip patch ...
ver más
|
|
|
|
|
|
|
Eldad Holdengreber, Aviv Glezer Moshe, Shmuel E. Schacham, Moshe Mizrahi, Dhasarathan Vigneswaran and Eliyahu Färber
Experimental results prove that major improvement of THz radiation detection can be obtained by the optimal design of planar antenna with HTSC Josephson junction. Matching between the low impedance of the junction and the high impedance of the antenna is...
ver más
|
|
|
|
|
|
|
Zhengya Qi, Xinhao Ding, Wenwen Yang and Jianxin Chen
In this paper, a compact broadband planar inverted-F antenna (PIFA) with dual-resonant modes (TM1/2,2 and TM3/2,0) is proposed for 5G applications. By loading a pair of horizontal slots on the patch, the TM3/2,0 mode can be shifted downward and combined ...
ver más
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
Byungwook Kim and Sanggeun Jeon
This paper presents a CMOS wideband amplifier operating in the full Ka-band, with a low gain variation. An inductive neutralization is applied to the amplifier to compensate for the gain roll-off in the high-frequency region. Neutralization inductance is...
ver más
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
Sang-Hyub Moon, Kyung Hwa Chang, Hyun Mok Park, Bong Joo Park, Sun Kook Yoo and Ki Chang Nam
The functional components of vibrating mesh nebulizers are a piezoelectric ceramic with a mesh mounted on one side, a reservoir, and a driving circuit. The piezoelectric material vibrates at a specific intrinsic frequency, and when the mechanical resonan...
ver más
|
|
|
|
|
|
|
Ligang Huang, Tian Yu, Zongxia Jiao and Yanpeng Li
In the flight control system, using an electro-hydrostatic actuator (EHA) instead of the currently used relatively mature electro-hydraulic valve-controlled actuator, there are three prevailing concerns, namely heating, size, and stiffness. This paper pr...
ver más
|
|
|
|
|
|
|
Igor Smolyaninov, Quirino Balzano and Dendy Young
This paper presents several novel designs of small form factor underwater radio antennas operating in the 2 MHz, 50 MHz and 2.4 GHz bands. These antennas efficiently excite surface electromagnetic waves (SEW) which propagate along the surface of seawater...
ver más
|
|
|
|
|
|
|
Zhengbao Li, Jianfeng Dai, Yuanxin Luan, Nan Sun and Libin Du
Human marine activities are becoming increasingly frequent. The adverse marine environment has led to an increase in man overboard incidents, resulting in significant losses of life and property. After a drowning accident, the accurate location informati...
ver más
|
|
|
|
|
|
|
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 ...
ver más
|
|
|
|
|
|
|
Steve Mvili-Gampio, Lukas W. Snyman
The objective of this study was to design a small-scale photovoltaic system to support electricity supply to a rural village in the Republic of Congo. A simple impedance-matching system and an innovative panel-tilting system were implemented as adaptive ...
ver más
|
|
|
|
|
|
|
Umberto Iemma
The advent, during the first decade of the 21st century, of the concept of acoustic metamaterial has disclosed an incredible potential of development for breakthrough technologies. Unfortunately, the extension of the same concepts to aeroacoustics has tu...
ver más
|
|
|
|