Spline-based Geometry for Printed Monopole Antennas
M. John, M.J. Ammann
Volume: 43, Issue: 6, 15 March 2007
A novel B´ezier spline-based geometry for printed monopole antennas
is presented. Quadratic curves are used to describe the outline of the
radiating element. The geometry is optimised by a genetic algorithm.
A small number of control points are used to define the geometry,
ensuring a small search space for the GA. The resulting antenna has an
impedance bandwidth from 1.44 to 14.7 GHz.
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