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Microwave cavity perturbation measurements of complex dielectric permittivity and complex magnetic permeability.

机译：复介电常数和复磁导率的微波腔扰动测量。

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摘要

Measurement of complex permittivity and permeability of dielectric and magnetic material plays an important role in microwave technology. Knowing properties of material is the first step in all kind of design when the material is used. This thesis has examined the rectangular cavity perturbation method as it used for material complex permittivity and complex permeability measurement. A wide range of material's permittivity and permeability have been successfully determined based on the rectangular cavity perturbation technique. Also, a modified rectangular cavity perturbation technique has been introduced and a new set of formulas have been derived in accommodating with a special measurement case namely when the material sample under measurement has insufficient sample length comparing to the height of cavity resonator. These newly derived formulas are more general than the standard forms and have been proved to be accurate in yielding consistent results by measuring different samples with different lengths.
机译：介电和磁性材料的复介电常数和磁导率的测量在微波技术中起着重要作用。使用材料时，了解材料的特性是所有设计的第一步。本文研究了用于材料复介电常数和复磁导率测量的矩形腔摄动法。基于矩形腔扰动技术，已经成功确定了各种材料的介电常数和磁导率。而且，已经引入了一种改进的矩形腔扰动技术，并为适应特殊的测量情况（即被测材料样品与腔谐振器的高度相比，样品长度不足）而导出了一组新的公式。这些新推导的公式比标准格式更通用，并且已被证明可以通过测量不同长度的不同样本来精确地产生一致的结果。

著录项

  • 作者

    Lin, Mi.;

  • 作者单位

    Tufts University.;

  • 授予单位 Tufts University.;
  • 学科 Engineering Electronics and Electrical.
  • 学位 M.S.
  • 年度 2006
  • 页码 65 p.
  • 总页数 65
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线电电子学、电信技术;
  • 关键词

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