A Multi-Mode Solution for Analysis of the Reflection Coefficient of Open-Ended Rectangular Waveguides Radiating into a Dielectric Infinite Half-Space
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
The open-ended rectangular waveguide probe is a powerful tool for characterizing the dielectric and reflection properties of various materials and structures [1–11]. In these applications the measurable parameter, Г(i.e. the reflection coefficient), is used to determine the sought-for parameters. The said reflection coefficient is defined as the ratio of the reflected electric field at the aperture of the waveguide to that of the incident electric field.