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Journal Electromagnetic Waves and Electronic Systems №5 for 2015 г.
Article in number:
Determining the relative permittivity of the medium and the targets depth with the holographic radar
Keywords: holographic subsurface radar relative permittivity measurement relative dielectric constant measurement reflection coefficient
Authors:
I.A. Vasiliev - Ph.D. (Emg.), Leading Research Scientist, Bauman Moscow State Technical University. E-mail: ivasiliev@rslab.ru A.V. Zhuravlev - Ph.D. (Phys.-Math.), Senior Research Scientist, Bauman Moscow State Technical University. E-mail: azhuravlev@rslab.ru S.I. Ivashov  Ph.D. (Emg.), Head of Laboratory, Bauman Moscow State Technical University E-mail: sivashov@rslab.ru V.V. Razevig - Senior Research Scientist, Bauman Moscow State Technical University. E-mail: vrazevig@rslab.ru M.A. Chizh - Trainee-Researcher, Student, Bauman Moscow State Technical University. E-mail: ritchi11@yandex.ru
Abstract:
The method of measuring the relative permittivity of a medium using a holographic radar is considered. The theoretical justification of the proposed method is performed, it introduces a one-dimensional model of the antenna feed, connecting the amplitude of the received signal with the reflection coefficient of the studied surface. Experimental verification of the proposed method was carried out by means of the antenna unit of the holographic radar RASCAN-4. The results of measuring the relative permittivity for a variety of construction materials are presented in the article. To test the accuracy of the proposed method, measurements of the depth of the copper plates location under layers of plasterboards involving the measured permittivity-s values were carried out. The proposed methodology will significantly improve the accuracy of determining targets sizes and depths of laying when sounding building structures with a holographic radar.
Pages: 70-77
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