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Open AccessArticle

Phase Method for Visualization of Hidden Dielectric Objects in the Millimeter Waveband

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Nondestructive Department, Tomsk Politechnical University, 36 Lenin Avenue, Tomsk 634050, Russia
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Radiophysical Department, Tomsk State University, 30 Lenin Avenue, Tomsk 634050, Russia
3
Centro de Tecnologías Físicas, Universitat Politècnica de València, 46022 Valencia, Spain
*
Authors to whom correspondence should be addressed.
Sensors 2019, 19(18), 3919; https://doi.org/10.3390/s19183919
Received: 15 July 2019 / Revised: 6 September 2019 / Accepted: 8 September 2019 / Published: 11 September 2019
(This article belongs to the Section Physical Sensors)
A method of detecting dielectric objects hidden behind an opaque barrier located on a reflective background, based on the distortion of interference fringes, is proposed in this article. Experiments conducted in the millimeter wavelength range demonstrated the effectiveness of the method under consideration, which does not require a holographic image reconstruction. Such a system can be classified as contour imaging. View Full-Text
Keywords: imaging dielectric barrier; interferometry; millimeter wave imaging dielectric barrier; interferometry; millimeter wave
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Minin, I.V.; Minin, O.V.; Castiñeira-Ibáñez, S.; Rubio, C.; Candelas, P. Phase Method for Visualization of Hidden Dielectric Objects in the Millimeter Waveband. Sensors 2019, 19, 3919.

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