METAMATERIAL-BASED HIGHLY DIRECTIVE ANTENNA: APPLICATION IN A MONOCHROMATIC WAVE RADAR FOR A CONTACTLESS MEASUREMENT OF THE BREATHING ACTIVITY | Zendy

Riad Yahiaoui | Zendy; Régis Chantalat | Zendy; Nicolas Chevalier | Zendy; M. Jouvet | Zendy; Michèle Lalande | Zendy

Open Access

METAMATERIAL-BASED HIGHLY DIRECTIVE ANTENNA: APPLICATION IN A MONOCHROMATIC WAVE RADAR FOR A CONTACTLESS MEASUREMENT OF THE BREATHING ACTIVITY

Author(s) -

Riad Yahiaoui,

Régis Chantalat,

Nicolas Chevalier,

M. Jouvet,

Michèle Lalande

Publication year - 2013

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc13090503

Subject(s) - acoustics , radar , metamaterial , antenna (radio) , monochromatic color , physics , directive , aerospace engineering , breathing , engineering , optics , remote sensing , electrical engineering , computer science , geology , medicine , anatomy , programming language

International audienceWe report the numerical and experimental investigation of a highly directive Fabry-Perot (FP) cavity antenna based on a metamaterial, operating in the microwave regime. Numerical simulations using finite element method and reflection-transmission microwave measurements have been performed and a good quantitative agreement has been observed. Measured return losses and radiations patterns done in an anechoic chamber agree very well with the simulated ones. The potential application of the proposed FP cavity antenna in a non-contact breathing sensor is proposed and evaluated. Experimental record and frequency spectrum for respiratory movements of human-being (voluntary under test) are presented. The low cost and simple fabrication process of the proposed FP cavity antenna make it very promising for its integration in modern telecommunication systems

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