Abstract
This paper designs a Ka-Band satellite antenna using parallel differential evolution (DE). The antenna is of wide beam-width and left hand circular polarization (LHCP). The electromagnetic numerical value is calculated by the improved software NEC2 based on the method of moments. The parallel differential evolution computing platform consists of some computers and MPI is used as the messaging protocol among computers. The single-arm Ka-Band antenna with 8-segments designed in this method has obtained very good performance including gains, axial ratios and VSWRs in a shorter period.
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