Results 21 to 30 of about 209,492 (196)

Design and Analysis of a 35 GHz Rectenna System for Wireless Power Transfer to an Unmanned Air Vehicle

open access: yesEnergies, 2022
In this article, the concept of a 22-kW microwave-powered unmanned aerial vehicle is presented. Its system architecture is analyzed and modeled for wirelessly transferring microwave power to the flying UAVs.
Muttahid Ull Hoque   +3 more
doaj   +1 more source

Experimental Demonstration of Coexistence of Microwave Wireless Communication and Power Transfer Technologies for Battery-Free Sensor Network Systems

open access: yesInternational Journal of Antennas and Propagation, 2013
This paper describes experimental demonstrations of a wireless power transfer system equipped with a microwave band communication function. Battery charging using the system is described to evaluate the possibility of the coexistence of both wireless ...
Satoshi Yoshida   +4 more
doaj   +1 more source

Design and implementation of a near-field focused metasurface for microwave power transmission

open access: yesResults in Physics, 2023
In this paper, a near-field focused (NFF) metasurface composed of sub-wavelength structures for microwave power transmission is designed and implemented.
Han Xiong   +5 more
doaj   +1 more source

Noise Suppression and Precise Phase Control of a Commercial S-Band Magnetron

open access: yesIEEE Access, 2020
We demonstrate noise suppression and precise phase control of a commercial 2.45GHz magnetron aiming for wireless power transfer application. The impurity of the microwave spectrum was confirmed to be due to the switching frequency of 76kHz in the power ...
Seong-Tae Han   +3 more
doaj   +1 more source

H-Shaped Slot Antenna with Harmonic Tuning Function and Integrated Power Amplifier

open access: yesEnergies, 2023
This study proposes a patch antenna with an H-shaped slot with direct matching and harmonic tuning (rejection) functions for microwave power transfer. This antenna enables an integrated active antenna in which the power amplifier and antenna are directly
Yuto Narita   +4 more
doaj   +1 more source

Simulation Study of Microwave Ablation of Porous Lung Tissue

open access: yesApplied Sciences, 2023
Microwave ablation, as an emerging method for treating lung cancer, has been widely used because of its advantages, such as being less invasive and having fewer side effects compared with other therapies, such as surgery and chemotherapy.
Xin Mai, Ning Wu, Qun Nan, Sixin Bi
doaj   +1 more source

The comparative of the performance for predicted thermal models during microwave ablation process using a slot antenna

open access: yesCase Studies in Thermal Engineering, 2021
Microwave (MW) ablation is a new technology for focused cancer treatment. This treatment applies the microwave power to tumor by using the MW antenna. The modeling for heat transport in the biological tissue was applied in the therapeutics application ...
Wutipong Preechaphonkul   +1 more
doaj   +1 more source

Kinetics and Quality of Microwave-Assisted Drying of Mango (Mangifera indica)

open access: yesInternational Journal of Food Science, 2016
The effect of microwave-assisted convective air-drying on the drying kinetics and quality of mango was evaluated. Both microwave power and pretreatment time were significant factors but the effect of power was more profound.
Ernest Ekow Abano
doaj   +1 more source

Quantitative MRFM characterization of the autonomous and forced dynamics in a spin transfer nano-oscillator [PDF]

open access: yes, 2012
Using a magnetic resonance force microscope (MRFM), the power emitted by a spin transfer nano-oscillator consisting of a normally magnetized Py$|$Cu$|$Py circular nanopillar is measured both in the autonomous and forced regimes.
Cros, V.   +6 more
core   +4 more sources

Wireless Power Transfer to a Microaerial Vehicle with a Microwave Active Phased Array

open access: yesInternational Journal of Antennas and Propagation, 2014
A wireless power transfer system using a microwave active phased array was developed. In the system, power is transferred to a circling microaerial vehicle (MAV) by a microwave beam of 5.8 GHz, which is formed and directed to the MAV using an active ...
Shotaro Nako   +4 more
doaj   +1 more source

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