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The radiated emission from a device under test is predicted by using an equivalent dipole approach which is based on amplitude-only near-field scanning. The method needs minimizing an objective function to determine the parameters of the equivalent dipoles. The objective function usually exhibits many local minima, and this limits the application of local optimization algorithms. A restarted differential...
A new approach is proposed for modeling electromagnetic emissions of a printed circuit board (PCB) based on amplitude-only near-field measurement data. Magnetic dipoles placed over the top layer of the PCB are introduced as the equivalent of actual radiated sources. A restarted optimization procedure based on a differential evolution algorithm is developed to determine the parameters of the dipoles...
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