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Determination of size-independent effective permittivity of an overlay material using microstrip ring resonator

机译:使用微带环形谐振器确定覆盖材料尺寸无关的有效介电常数

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This letter describes a size-independent effective permittivity of biological tissues, using microstrip ring resonator (MRR), to evaluate the moisture content more effectively. As permittivity is depends on material density, the optimum sample size where further size variations will not change the effective permittivity are identified. Using simulation and experimental results it is found that, a sample having thickness more than 9% of substrate height (t(sub)) and width greater than 18.3% of guided wavelength ((g)) shows size-independent effective permittivity. Both simulation and experimental results are in good agreement (within 3%). These findings allow more effective characterization of muscles according to their moisture content. (c) 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:4-9, 2016
机译:这封信描述了使用微带环形谐振器(MRR)来大小独立地测量生物组织的有效介电常数,以更有效地评估水分含量。由于介电常数取决于材料密度,因此可以确定最佳样品尺寸,在该尺寸下,尺寸的进一步变化不会改变有效介电常数。使用模拟和实验结果发现,厚度大于基板高度(t(sub))的9%,宽度大于引导波长((g))的18.3%的样品显示出与尺寸无关的有效介电常数。模拟和实验结果均吻合良好(在3%以内)。这些发现可以根据肌肉的水分含量更有效地表征肌肉。 (c)2016 Wiley Periodicals,Inc.微波选择技术通讯2016年58:4-9

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