A novel design of a dipole antenna for water detection is developed for ground-penetrating radar (GPR) system. The water decreasing day by day can increase the importance of the natural object water. Because of the degradation of surface water resources, the requirement for graphics of water resource is accumulated. GPR could be a promising machinery to find and establish formation of water. A dipole antenna incorporated with an inverted S-shaped metamaterial is proposed for GPR applications. The metamaterial-inspired antenna is designed on an FR4 substrate with overall dimensions of 100 × 300 mm. By placement of an inverted S-shaped metamaterial to induce additional resonance due to the occurrence of magnetic dipole moment, the antenna resonant frequency is changed from 1.88 to 1.71 GHz. The return loss and the VSWR plots have been studied along with the radiation patterns.
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