MICROWAVE DETECTION OPTIMIZATION OF DISBOND IN LAYERED DIELECTRICS WITH VARYING THICKNESS

被引：35
|
作者：
GANCHEV, SI
QADDOUMI, N
RANU, E
ZOUGHI, R
机构：
[1] Applied Microwave Nondestructive Testing Laboratory, Department of Electrical Engineering, Colorado State University, Fort Collins
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1995年 / 44卷 / 02期
关键词：
D O I：
10.1109/19.377843
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：
The detection sensitivity optimization of air disbond in layered dielectric composites, using an open-ended rectangular waveguide, is studied both theoretically and experimentally. The sensitivity of the disbond detection is strongly influenced by the proper choice of parameters such as the operating frequency and the layered composite geometry (conductor backed or terminated by an infinite half-space of air). The capability of optimizing the measurement system parameters to detect and estimate the thickness of a disbonded layer independent of some changes in the thickness of the dielectric coating is also demonstrated. The impact of the parameters influencing detection optimization is theoretically investigated and then experimentally verified.
引用
收藏
页码：326 / 328
页数：3
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