Abstract
Log periodic antenna is a well-known frequency independent antenna, it radiates structures capable of maintaining consistent impedance characteristics over wide bandwidth. This log periodic antenna is used in many broadband applications due to the ability of achieving constant gain. Hence, a folded log periodic antenna array was simulated in 30-400 MHz frequency band for Meridian project. In order to improve its return loss, this antenna is optimized with the width of each pole and the height of the substrate. This optimized process has been implemented in simulated software HFSS. The original results are shown in this paper.
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