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Investigation on cellular-automata irregular-fractal ultrawideband slot-antennas

Abstract : In this article, the effect of an irregular-fractal slot added to a radiating square patch of an ultrawideband (UWB) printed antenna is studied. The fractal complex-shaped slot was generated randomly by applying the Cellular-Automata technique. Analysis of both simulated and measured results dealing with the impedance matching, surface currents, gain, and radiation patterns shows three different behaviors: improvement, mismatching, or rejection of one or two bands, depending on the shape and position of the slot. It is found also that the gain of the UWB-antenna can be enhanced for some particular shaped slots. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2506–2514, 2015
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Submitted on : Wednesday, December 9, 2015 - 3:14:54 PM
Last modification on : Wednesday, October 14, 2020 - 3:53:52 AM

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Lotfi Ladhar, Mohamed Zarouan, Donia Oueslati, Jean Marie Floc'H, Hatem Rmili. Investigation on cellular-automata irregular-fractal ultrawideband slot-antennas. Microwave and Optical Technology Letters, Wiley, 2015, 57 (11), pp.2506--2514. ⟨10.1002/mop.29367⟩. ⟨hal-01240764⟩

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