Results 21 to 30 of about 248,313 (294)
Radio Frequency Fingerprint Extraction Based on Multidimension Permutation Entropy
Radio frequency fingerprint (RF fingerprint) extraction is a technology that can identify the unique radio transmitter at the physical level, using only external feature measurements to match the feature library.
Shouyun Deng +3 more
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Application of disturbance observer-based control on pulsed superconducting radio frequency cavities
A disturbance observer (DOB)-based control approach was verified using the low-level radio-frequency systems of superconducting (SC) cavities operated in a continuous wave (CW) mode in a compact energy recovery linac (cERL) at KEK.
Feng Qiu +12 more
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RF power design optimization in MRI system
Magnetic resonance image quality and patient safety have been the focus of engineering and research ever since the invention of equipment in the early 1970s.
Baogui Zhang, Kun Wang, Tianzi Jiang
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Transport properties of Andreev polarons in superconductor-semiconductor-superconductor junction with superlattice structure [PDF]
Transport properties of a superconductor-semiconductor-superconductor (S-Sm-S) junction with superlattice structure are investigated. Differential resistance as a function of voltage shows oscillatory behavior under the irradiation of radio-frequency (RF)
Akazaki, Tatsushi +6 more
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Effects of Radio Frequency Heating on the Stability and Antioxidant Properties of Rice Bran
Radio frequency (RF) technology is considered as a rapid heating method. Lipase in rice bran could highly accelerate lipid oxidation. The objectives of this study were to establish the radio frequency heating conditions for lipase inactivation and to ...
Yen-Hui Chen, Yu-Fen Yen, Su-Der Chen
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31 pages, 38 figures, Proceedings of the CAS Course: Introduction to Accelerator ...
openaire +2 more sources
Reconfigurable RF Energy Harvester with Customized Differential PCB Antenna
In this work, a Radio Frequency (RF) Energy Harvester comprised of a differential Radio Frequency-to-Direct Current (RF-DC) converter realized in ST130 nm Complementary Metal-Oxide-Semiconductor (CMOS) technology and a customized broadband Printed ...
Alessandro Bertacchini +4 more
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Radio frequency communication technology has not only greatly improved public network service, but also developed a new technological route for indoor navigation service.
Haotai Sun +3 more
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Tunable negative permeability in a three-dimensional superconducting metamaterial [PDF]
We report on highly tunable radio frequency (rf) characteristics of a low-loss and compact three dimensional (3D) metamaterial made of superconducting thin film spiral resonators. The rf transmission spectrum of a single element of the metamaterial shows
Anlage, Steven M. +3 more
core +3 more sources
A Review of the Radio Frequency Non-destructive Testing for Carbon-fibre Composites
The purpose of this paper is to review recent research on the applications of existing non-destructive testing (NDT) techniques, especially radio frequency (RF) NDT, for carbon-fibre reinforced plastics (CFRP) composites.
Li Zhen, Meng Zhaozong
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