A Directional Antenna in a Matching Liquid for Microwave Radar Imaging

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dc.contributor.authorLatif, Saeed I.
dc.contributor.authorFlores Tapia, Daniel
dc.contributor.authorRodriguez Herrera, Diego
dc.contributor.authorSolis Nepote, Mario
dc.contributor.authorPistorius, Stephen
dc.contributor.authorShafai, Lotfollah
dc.date.accessioned2015-11-23T16:48:27Z
dc.date.available2015-11-23T16:48:27Z
dc.date.issued2015-11-10
dc.date.updated2015-11-21T07:00:41Z
dc.description.abstractThe detailed design equations and antenna parameters for a directional antenna for breast imaging are presented in this paper. The antenna was designed so that it could be immersed in canola oil to achieve efficient coupling of the electromagnetic energy to the breast tissue. Ridges were used in the horn antenna to increase the operating bandwidth. The antenna has an exponentially tapered section for impedance matching. The double-ridged horn antenna has a wideband performance from 1.5 GHz to 5 GHz (3.75 GHz or 110% of impedance bandwidth), which is suitable for breast microwave radar imaging. The fabricated antenna was tested and compared with simulated results, and similar bandwidths were obtained. Experiments were conducted on breast phantoms using these antennas, to detect a simulated breast lesion. The reconstructed image from the experiments shows distinguishable tumor responses indicating promising results for successful breast cancer detection.
dc.description.versionPeer Reviewed
dc.identifier.citationSaeed I. Latif, Daniel Flores Tapia, Diego Rodriguez Herrera, Mario Solis Nepote, Stephen Pistorius, and Lotfollah Shafai, “A Directional Antenna in a Matching Liquid for Microwave Radar Imaging,” International Journal of Antennas and Propagation, vol. 2015, Article ID 751739, 8 pages, 2015. doi:10.1155/2015/751739
dc.identifier.urihttp://dx.doi.org/10.1155/2015/751739
dc.identifier.urihttp://hdl.handle.net/1993/30948
dc.language.rfc3066en
dc.rightsopen accessen_US
dc.rights.holderCopyright © 2015 Saeed I. Latif et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
dc.titleA Directional Antenna in a Matching Liquid for Microwave Radar Imaging
dc.typeJournal Article
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