Volume 21, Issue 3 (JIAEEE Vol.21 No.3 2024)
Journal of Iranian Association of Electrical and Electronics Engineers 2024, 21(3): 0-0 |
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Khajavi N, Pishgar Komleh S H, Amiri S, Nafisi V R. Evaluation of the effect of three dimensional antenna array design on early detection of cerebral hemorrhage with microwave imaging devices. Journal of Iranian Association of Electrical and Electronics Engineers 2024; 21 (3)
URL: http://jiaeee.com/article-1-1442-en.html
URL: http://jiaeee.com/article-1-1442-en.html
Iranian Research Organization for Science and Technology
Abstract: (261 Views)
In this article, the impact of the three-dimensional layout of the designed broadband antenna array designed to better detect cerebral hemorrhage in microwave imaging of the human head has been investigated. In this design, we used the 8-layer model of the human head. The research includes two phases: simulation and measurement. In both phases, the scattering parameters resulting from the optimal placement of the antenna array on the healthy brain and the damaged brain (containing a blood clot) were compared and a good match was observed in the results of the two phases. One of the main goals of this article is to investigate the three-dimensional design tire compared to the two-dimensional placement of the antenna array in the accurate diagnosis of cerebral hemorrhage, which has been achieved by placing one antenna above the head and four antennas in a circle around the head. In the brain damage simulation phase, the blood clot was placed in four positions (two coplanar positions and two non-coplanar positions with the antennas around the head) in the head model and analyzed separately. In the measurement phase, the blood clot is made by combining several materials and after measuring and ensuring that its electrical properties are compatible with the blood, it is placed in the head phantom. Examining the results shows that the three-dimensional geometric arrangement of the antenna array performs more effectively in the initial diagnosis of cerebral hemorrhage and determining its location compared to the usual two-dimensional method.
Keywords: Antenna array, Dispersion parameters (S-parameter), Microwave imaging, Head Phantom, Head electromagnetic simulation
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