Radiation Pattern Reconstruction from the Near-Field Amplitude Measurement on Two Planes Using PSO

Radiation Pattern Reconstruction from the Near-Field Amplitude Measurement on Two Planes Using PSO

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The paper presents a new approach to the radiation patternreconstruction from usc trojans snapback hat near-field amplitude only measurement over a twoplanar scanning surfaces.This new method for antenna patternreconstruction is based on the global optimization PSO (Particle SwarmOptimization).The paper presents appropriate phaseless measurementrequirements and phase retrieval algorithm together with a briefdescription of the particle swarm optimization method.In order toexamine the methodologies developed in this paper, phaselessmeasurement results for two il barone wine different antennas are presented andcompared to results obtained by a complex measurement (amplitude andphase).