Method for Magnetic Field Approximation in MR Tomography

机译：磁共振断层扫描中的磁场近似方法

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This paper describes a method, which can be used for creating map of magnetic field. Method has a great usage in magnetic resonance tomography, when we need to get information about homogeneity and characteristics of magnetic field inside the working space of the MR tomograph. The main purpose of this article is to describe basic principles of magnetic resonance phenomenon and mathematical method of Legendre polynoms which can be used for signal processing of FID (Free Induction Decay) signal obtained from tomograph detection coils. In the end of my article is experimental solution of magnetic field and models of magnetic field created by Matlab.

机译：本文介绍了一种可用于创建磁场图的方法。当我们需要获得有关MR层析成像仪工作空间内磁场的均匀性和磁场特性的信息时，该方法在磁共振层析成像中具有很大的用途。本文的主要目的是描述磁共振现象的基本原理和勒让德多项式的数学方法，该方法可用于从层析成像检测线圈获得的FID（自由感应衰减）信号的信号处理。我的文章最后是磁场的实验解决方案和Matlab创建的磁场模型。

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来源
《Progress in electromagnetics research symposium 2008 (PIERS 2008)》|2008年|1-5|共5页
会议地点 Hangzhou(CN);Hangzhou(CN)
作者
Michal Hadinec; Pavel Fiala; Eva Kroutilová; Miroslav Steinbauer; Karel Bartu(s)ek;
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作者单位

Institute of Scientific Instruments of the ASCR,v.v.I Královopolská 147,612 64,Brno,Czech Republic;

Institute of Scientific Instruments of the ASCR,v.v.I Královopolská 147,612 64,Brno,Czech Republic;

Institute of Scientific Instruments of the ASCR,v.v.I Královopolská 147,612 64,Brno,Czech Republic;

Institute of Scientific Instruments of the ASCR,v.v.I Královopolská 147,612 64,Brno,Czech Republic;

Department of Theoretical and Experimental Electrical Engineering Faculty of Electrical Engineering and Communication,Brno University of Technology Kolejní 2906/4,612 00,Brno,Czech Republic;

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正文语种 eng
中图分类电磁学;
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Method for Magnetic Field Approximation in MR Tomography

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