Results 291 to 300 of about 3,967,206 (349)

Double Magnetic Resonance of Coupled Spins

Journal of Applied Physics, 1967
A perturbation procedure is introduced to solve for the probability amplitudes of a system of coupled spins under the action of two rf magnetic fields; one a large saturating signal, the other a relatively weak one. The power absorbed when the saturating signal connects two states in the system is affected by the presence of the second signal ...
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Resonant Analysis of Magnetic Coupling Wireless Power Transfer Systems

IEEE transactions on power electronics, 2019
For a general multi-coil magnetic coupling wireless power transfer (MC-WPT) system with different coil properties and non-negligible cross couplings, there is no analytical solution that connects the resonant frequencies of the system to its electric ...
Zhi-Juan Liao, Yue Sun, Zhao-Hong Ye, Chunsen Tang, Peiyue Wang   +4 more
semanticscholar   +1 more source

On the Use of Magnetically Coupled Resonators for Chirp-Based Timestamping

IEEE Transactions on Instrumentation and Measurement, 2015
The knowledge of the time value at which an event of interest occurred is the typical feature needed to perform many kinds of postprocessing in distributed sensor networks. Consequently, network-based distributed systems must support time dissemination in order to ensure that relative clock errors among nodes remain below a certain threshold.
DE ANGELIS, ALESSIO, DIONIGI, Marco, MOSCHITTA, Antonio, CARBONE, Paolo, Sisinni, Emiliano, FERRARI, PAOLO LUIGI, Flammini, Alessandra, Rinaldi, Stefano   +7 more
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Pharmacological applications of magnetic resonance imaging.

Psychopharmacology bulletin
Magnetic resonance imaging (MRI) techniques are capable of spatial and temporal resolution and within subject repeatability that far exceed other currently available methods of noninvasively investigating brain functioning.
B. Salmeron, E. Stein
semanticscholar   +1 more source

Research on power distribution in multiple-input multiple-output magnetic coupling resonance wireless power transfer system

Electrical Engineering, 2021
Tian Gao, Xin Wang, Linrui Jiang, Jing Hou, Yan Yang   +4 more
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Magnetically coupled resonators for rate integrating gyroscopes

IEEE SENSORS 2014 Proceedings, 2014
This work demonstrates for the first time the use of magnetic field to couple mechanical resonators that can be separated by long distances (8mm in this work) compared to coulombic/electrostatic coupling (~ 1 nm – 1 μm depending on the surface charge density or E-field).
Pradeep Pai, Hoorad Pourzand, Massood Tabib-Azar   +2 more
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Coupling of geminal protons in nuclear magnetic resonance

Chemical Physics Letters, 1972
Abstract The JHHgem coupling constants of six polyatomic molecules were calculated ab initio by the double perturbation method in a basis of localized SCF orbitals. Leading terms of different orders were retained. The agreement with experimental values is satisfactory.
C. Barbier, B. Lévy, P. Millié
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Investigation of Magnetic Coupling by Ferromagnetic Resonance

2004
Ferromagnetic Resonance (FMR) is a powerful method for study the magnetic coupling in multilayers. In the present work, a trilayer system is assumed to be characterized by the bilinear J 1 , biquadratic J 2 coupling, and in-plane uniaxial magneto-crystalline anisotropies with anisotropy axis directions in the two layers making a δ angle.
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Magnetic Resonance Coupling Phenomenon and Basic Characteristics

2020
The purpose of this chapter is to examine the characteristics of magnetic resonance coupling. We start with a basic coil shape, and then introduce an open type and short type. Next, we explain the characteristics of magnetic resonance coupling power transmission.
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Electromagnetic Attenuation of Sm‐Doped Alloys Modified by Interface Exchange Coupling and Magnetocrystalline Stress Anisotropy

Advanced Functional Materials
The narrow resonance width of magnetic alloys limits their application as wide frequency electromagnetic wave absorbers within the gigahertz range. To address this issue, the study proposes engineering homogeneous interfaces and enhancing anisotropy ...
Gang-Tao Luo, Ying-Li Zhu, Pin-Gan Chen, Fu Chen, Xiang-Cheng Li, Ren-Chao Che   +5 more
semanticscholar   +1 more source