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Abstract

This paper presents a novel multi-objective optimization of printed microstrip-fed monopole antenna for ultra wideband (UWB) applications. Two objective functions are minimized in this design: return loss and transient distortion. Using this method, a set of optimum antennas are achieved instead of a single design. Optimization is performed to reduce distortion in different scenarios. When distortion reduction only in E-plane or in both of E- and H-planes is considered, the obtained set of applying this algorithm dominates reported UWB antennas. Therefore, the obtained result provides a set of proper designs for UWB systems with random physical orientationt.

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Dr. Somayyeh Chamaani

Dr. Mohammad Abrishamian

Dr. Seyed Mirtaheri