Non-destructive testing of complex permittivity using a slot antenna

被引：0
|
作者：
Wylie, D [1 ]
Rea, SP [1 ]
Linton, D [1 ]
机构：
[1] Queens Univ Belfast, Sch Elect & Elect Engn, Ashby Inst, Belfast BT9 5AH, Antrim, North Ireland
来源：
2004 HIGH FREQUENCY POSTGRADUATE STUDENT COLLOQUIUM | 2004年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A planar resonant slot antenna with a ground plane aperture was developed for nondestructive testing of planar dielectric materials. Using an existing design methodology, a circuit was developed where the complex permittivity could be determined from the shift of the resonant frequency and knowledge of the thickness of the test substrate. The device was simulated using the Method of Moments and these simulations validated experimentally. The electric field around the aperture has also been investigated by simulation and measurement. It was found that the substrate manufacturers' values for the permittivity and tan 8 and the values as determined using this work are in agreement. In addition the permittivity of Carbon Fibre Composite (CFC) and nanoclay polymer substrates has also been investigated using this method.
引用
收藏
页码：31 / 36
页数：6
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