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An investigation of the bandwidth behavior of planar monopoles built with quasi-fractal patches based on the curves of Koch is presented. A rectangular monopole patch microstrip antenna is used as reference and generator for the proposed quasi-fractals antennas. Koch levels 1 and 2 geometries are developed. The analysis of the antenna structures is performed using Ansoft HFSS™. Prototypes are built...
This work presents a new fast and accurate electromagnetic (EM) optimization technique blending the Particle Swarm Optimization (PSO) algorithm and a Multilayer Perceptrons (MLP) Artificial Neural Network (ANN). The proposed technique was applied for optimal design of Koch fractal Frequency Selective Surface (FSS) with desired stop-band filter specification. Initially, a full-wave parametric analysis...
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