Theory and application of array coils in MR spectroscopy The theory and application of array coils are reviewed in the context of phased array spectroscopy. The optimization of the signal-to-noise ratio from an a... Steven,M.,Wright,... - 《Nmr in Biomedicine》 被引量: 384发表: 1997年 ...
27,1936. [Class 38 (ii)] Inductance coils, particularly for highfrequency work, are formed by coating with metal, e.g. silver, gold, platinum or copper helically or spirally arranged turns 11 formed of ceramic material. The ceramic body is first produced as an internally or externally ...
The modular toroidal coil (MTC) is composed of several solenoidal coils (SCs) connected in series and distributed in toroidal and symmetrical forms. In this paper, we present an accurate approach for calculation of the mutual and self-inductance between all the SCs of MTC with any arbitrary ...
In this paper, closed-form solutions are presented for the self- and mutual inductances of disk coils which lie concentrically in a plane. The solutions are given as generalized hypergeometric functions which are closely related to elliptic integrals. The method used is a Legendre polynomial expansi...
2 show the magnetic flux density as a function of vertical position. Before the material is introduced, the flux density is constant throughout the gap (red line). A constant flux density for the air gap is assumed to keep the explanation simple, but is not necessary for the theory to ...
Engineers, I need to design several coils for electromagnetic actuators for small nitrogen valves. One is a iron-core electromagnet, another is an air coil for
Design criteria are given for low-attenuation slow-wave propagation. By a proper optimization of the structure, performances comparable with or even better ... R Sorrentino,G Leuzzi,A Silbermann - 《IEEE Transactions on Microwave Theory & Techniques》 被引量: 164发表: 1984年 Linearity and low-...
Core materials for inductance coils and transformers - ScienceDirect A fault protection system for an AC-DC distribution system detects the presence of DC content at individual loads, isolates the load responsible for the fault from the remainder of the distribution system, and blocks DC content fro...
Achieving this high level of control over magnetic gradients is expected to facilitate technological applications such as probing of surfaces and currents, as well as metrology. Fundamental applications include the probing of the foundations of quantum theory, gravity, and the interface of quantum ...
To investigate the factors which affect the probe frequency response, the inductance and capacitance in the probe system are analyzed using an equivalent circuit. Suitable sizes and turn number of the coil, and the length of transmission cable are optimized based on the theory and detailed test ...