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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Numerical method for low-frequency electromagnetic fields and its applications
低频 电磁场数值 低频涡流场 有限元编程
2023/4/13
本报告首先回顾传统低频涡流场的两种计算格式，指出有限元编程实现过程中的基函数选择以及需要注意的难点问题。第二部分针对静磁场问题，通过引入规范条件提出了一种基于矢量磁位和磁场强度的新型的对偶格式，该方法通过巧妙构造基于矢量磁位和磁场强度的计算格式，整体矩阵完全一致并且可以给出系统电感参数的上下界，在实际参数提取中有很好的应用前景。在第三部分，由于传统低频涡流场近似不能有效考虑分布电容效应，而传统高频...
THE LOW-FREQUENCY ELECTRIC FIELDS INDUCED IN A SPHERICAL CELL INCLUDING ITS NUCLEUS
LOW-FREQUENCY ELECTRIC FIELDS INDUCED SPHERICAL CELL NUCLEUS
2015/10/16
After a review of work leading to the determination of the electric field induced in the human body when exposed to the electromagnetic field near an extremely-low-frequency high-voltage transmission ...
Low frequency signal spectrum analysis for strong earthquakes
VLF/LF signal propagation eartquake precursors
2015/8/24
We examined changes in the spectral composition of the low frequency (LF) subionospheric signals from the NRK transmitter (37.5 kHz) in Iceland that were received in Bari (Italy) relative to the earth...
Characterisation of Low Frequency Gravitational Waves from Dual RF Coaxial-Cable Detector: Fractal Textured Dynamical 3-Space
Low Frequency Gravitational Waves Dual RF Coaxial-Cable Detector Fractal Textured Dynamical 3-Space
2012/5/17
Experiments have revealed that the Fresnel drag effect is not present in RF coaxial cables, contrary to a previous report. This enables a very sensitive, robust and compact detector, that is 1st order...
期刊信息
篇名
A study on real-time low-frequency spatial filtering process of an optical image using LiNbO3:Fe crystal
语种
英文
撰写或编译
撰写
作者
Liu Si-Min,Lu Yi,Chen Hai-Dong,Liu Jun-Min,et.al
第一作者单位
刊物名称
ACTA Phy...
Low Frequency Fields Driven by the Ergodic Magnetic Limiter at Rational Surfaces in Rotating Tokamak Plasmas
Low Frequency Fields the Ergodic Magnetic Limiter Rational Surfaces Rotating Tokamak Plasmas
2010/10/27
Low Frequency Fields Driven by the Ergodic Magnetic Limiter at Rational Surfaces in Rotating Tokamak Plasmas.
Low Frequency Dispersion in Non-conducting Contacts in Humidity
Surface transport dynamic response silica-silica contacts filamentary conduction
2010/4/12
To develop an enhanced understanding of an aspect of the charge transport mechanism in systems composed of solid-solid insulating contacts, the dynamic dielectric response of sand grains and of silica...