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In this article, a novel monopole antenna for the ground penetrating radar applications is proposed. The antenna is a monopole bowtie with two slots and a defected ground plane, in order to improve the bandwidth. The proposed antenna shows a great bandwidth from 3.9 to 18 GHz which makes it to be an ultra‐wideband antenna. The overall size of the antenna is 14 × 22 × 1.6 mm3on the FR4 substrate. Also, a prototype of the proposed antenna is fabricated. The measurement and simulation results are in good agreement.
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Hendevari et al. (2018) studied this question.
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