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Automating the tuning and matching process of a sixteen-channel transmit-only TEM array with a thirty-two-channel receive-only loop array for body imaging applications at 7T.

机译:自动化的16通道仅发射TEM阵列与32通道仅接收环路阵列的调谐和匹配过程,适用于7T人体成像应用。

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摘要

This thesis is structured around three journal articles. The first three chapters provide the background for the three articles. The three articles are all concerned with advancements in RF array design that have made 7T body imaging possible. The first two articles, are previously published and provide background for the final, which has yet to be submitted. The first article, presented in chapter four, was originally published in 2009 outlines and describes a novel TEM surface array that allowed for the first successful cardiac imaging at 7T. The second article, presented in chapter five, presents a comprehensive comparison between two similar TEM arrays; in many respects this article has set the standard for array evaluations and comparisons. The third and final article, presented in chapter six is concerned with ongoing research. It outlines a sixteen-channel TEM transmit-only array used in conjunction with a thirty-two-channel loop receive-only array. Additionally, to address the difficulty of tuning and matching a sixteen-channel array, a novel automated tuning and matching process using an electromechanical solution is presented.
机译:本论文围绕三篇期刊论文而构建。前三章提供了三篇文章的背景。这三篇文章都与RF阵列设计的进步有关,这些进步使7T人体成像成为可能。前两篇文章以前已经发表过,并提供了最后的背景资料,但尚未提交。第4章介绍的第一篇文章最初发表于2009年,概述了新颖的TEM表面阵列,该阵列可在7T时首次成功进行心脏成像。在第五章中介绍的第二篇文章对两个相似的TEM阵列进行了全面的比较。在许多方面,本文为阵列评估和比较树立了标准。第六章介绍的第三篇也是最后一篇文章涉及正在进行的研究。它概述了与32通道循环仅接收阵列结合使用的16通道TEM仅发送阵列。另外,为了解决调谐和匹配十六通道阵列的困难,提出了一种使用机电解决方案的新颖的自动调谐和匹配过程。

著录项

  • 作者

    Snyder, Carl J.;

  • 作者单位

    University of Minnesota.;

  • 授予单位 University of Minnesota.;
  • 学科 Engineering Biomedical.;Health Sciences Radiology.
  • 学位 Ph.D.
  • 年度 2013
  • 页码 114 p.
  • 总页数 114
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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