Features of the Formation of the Nutation Line in Nuclear Magnetic Resonance Magnetometers and Liquid Flow Meters

IF 0.4 4区 计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
V. V. Davydov, S. E. Logunov, D. S. Provodin, R. V. Davydov
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引用次数: 0

Abstract

A mechanism of formation of the nutation line in a flowing liquid is discussed. New equations of motion of the longitudinal and transverse components of the magnetization vector in a nutation coil are derived, which take into account magnetic field inhomogeneity ΔН0 in the area of impact of RF field Н1 on the flowing fluid. In addition, the equations make allowance for the nature of magnetic field inhomogeneity change ΔН0 during motion of the liquid along the nutation coil. The results of experimental investigations of the nutation line shape are reported. The theoretical calculation is compared with experimental data.

Abstract Image

核磁共振磁力计和液体流量计中形成突变线的特征
讨论了流动液体中章动线的形成机理。考虑射频场Н1对流动流体的影响区域内的磁场不均匀性ΔН0,导出了章动线圈中磁化矢量纵向和横向分量的新运动方程。此外,该方程考虑了液体沿章动线圈运动时磁场不均匀性变化ΔН0的性质。报道了章动线形状的实验研究结果。理论计算与实验数据进行了比较。
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来源期刊
CiteScore
1.00
自引率
20.00%
发文量
170
审稿时长
10.5 months
期刊介绍: Journal of Communications Technology and Electronics is a journal that publishes articles on a broad spectrum of theoretical, fundamental, and applied issues of radio engineering, communication, and electron physics. It publishes original articles from the leading scientific and research centers. The journal covers all essential branches of electromagnetics, wave propagation theory, signal processing, transmission lines, telecommunications, physics of semiconductors, and physical processes in electron devices, as well as applications in biology, medicine, microelectronics, nanoelectronics, electron and ion emission, etc.
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