摘要

In this paper, a novel genetic algorithm (GA)-based AMC structure, which is made up of a high-impedance frequency-selective surface, is introduced. The aperture-coupled microstrip antenna using this structure has 10-dB less back radiation and 3-4-dB more gain than a conventional one. This structure has important reference valuefor antenna manufacturing. A practical antenna is fabricated, and the ineasured results basically agree well with the simulated ones.

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