Results 51 to 60 of about 39,888 (254)

High Electron Mobility Ge_1−xSn_x(x > 10%) Folding Space Charge Zone Schottky Diode for Microwave Wireless Power Transfer

IEEE Access, 2019
The microwave wireless power transfer is a power transmission device that breaks through the limitation of the transmission line, and is helpful for handling equipment power supply problems in complex scenes.
Xiao Zhai, Jianjun Song, Hangyu Chen, Xianying Dai, Tianlong Zhao   +4 more
doaj   +1 more source

Textile UWB antennas for wireless body area networks [PDF]

, 2006
A new ultrawideband (UWB) textile antenna designed for UWB wireless body area network (WBAN) applications is presented. Unlike previous textile antennas, these antennas offer a direct integration into clothing due to a very small thickness (0.5 mm) and ...
Klemm, M, Troester, G
core   +2 more sources

A Smart Magnetically Actuated Flip‐Disc Programmable Metasurface with Ultralow Power Consumption for Real‐Time Channel Control

Advanced Functional Materials, EarlyView.
The study proposes a 1‐bit programmable metasurface based on flip‐disc display, named flip‐disc metasurface (FD‐MTS). This new design enables ultralow energy consumption while maintaining coding patterns. It also exhibits high scalability and multifunctional flexibility.
Jiang Han Bao, Che Liu, Jia Cheng Li, Zhen Hao Fu, Yi Su Huang, Si Qi Huang, Lei Zhang, Jian Wei You, Tie Jun Cui   +8 more
wiley   +1 more source

Novel small-size directional antenna for UWB WBAN/WPAN applications [PDF]

, 2005
This paper presents a novel small-size directional antenna design for ultrawide-band wireless body area networks/wireless personal area networks applications.
Klemm, M, Kovacs, Istvan Z, Pedersen, Gert F, Troster, Gerhard   +3 more
core   +2 more sources

Coherent Control of Nitrogen Nuclear Spins via the VB−${\rm V}_B^-$‐Center in Hexagonal Boron Nitride

Advanced Functional Materials, EarlyView.
This study demonstrates coherent control of 15N nuclear spins coupled to VB−${\text{V}}_{\text{B}}^{-}$ centers in isotope‐enriched hexagonal boron nitride. Selective addressing via spin‐state mixing enables Rabi driving, quantum gates, and coherence times exceeding 10 μs$\umu{\rm s}$.
Adalbert Tibiássy, Charlie J. Patrickson, Thomas Poirier, James H. Edgar, Bruno Lopez‐Rodriguez, Viktor Ivády, Isaac J. Luxmoore   +6 more
wiley   +1 more source

Trilateration-Inspired Sensor Node Position Estimation for UAV-Assisted Microwave Wireless Power Transfer

SICE Journal of Control, Measurement, and System Integration, 2017
Unmanned aerial vehicle (UAV)-assisted microwave wireless power transfer (WPT) enables the deployment of radio frequency (RF)-power-driven, battery-less sensor nodes in rural areas such as farm fields.
Ryo Shigeta, Kouta Suzuki, Fuminori Okuya, Yoshihiro Kawahara   +3 more
doaj   +1 more source

Displacement-Tolerant Printed Spiral Resonator With Capacitive Compensated-Plates for Non-Radiative Wireless Energy Transfer

IEEE Access, 2019
A printed spiral resonator without external lumped elements is proposed. Instead of employing surface-mount device capacitors, the series-parallel capacitive plates are designed and etched on the same substrate to achieve simultaneous conjugate matching ...
Lai Ly Pon, Sharul Kamal Abdul rahim, Chee Yen Leow, Mohamed Himdi, Mohsen Khalily   +4 more
doaj   +1 more source

Smart Table Based on Metasurface for Wireless Power Transfer

, 2018
Metasurfaces have been investigated and its numerous exotic functionalities and the potentials to arbitrarily control of the electromagnetic fields have been extensively explored.
Baryshnikova, Kseniia, Belov, Pavel, Kapitanova, Polina, Markvart, Aleksandr, Nenasheva, Elizaveta, Simovski, Constantin, Song, Mingzhao   +6 more
core   +1 more source

Smart Catheters for Diagnosis, Monitoring, and Therapy

Advanced Healthcare Materials, EarlyView.
This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman, Samiha Ahmed, Majed Othman Althumayri, Megan Guy, Darlenne Chavez Lugo, Frances S. Ligler, George T. Ligler, Rahmi Oklu, Hiroshi Kawahira, Michael J. McShane, Jun Kameoka, Jonathan Bova, Hatice Ceylan Koydemir   +12 more
wiley   +1 more source

High-Power Wire Bonded GaN Rectifier for Wireless Power Transmission

IEEE Access, 2020
A novel wire bonded GaN rectifier for high-power wireless power transfer (WPT) applications is proposed. The low breakdown voltage in silicon Schottky diodes limits the high-power operations of microwave rectifier.
Sumin David Joseph, Shawn S. H. Hsu, Ahmed Alieldin, Chaoyun Song, Yeke Liu, Yi Huang   +5 more
doaj   +1 more source