Gain Enhancement of Double-Slot Vivaldi Antenna using Corrugated Edges and Semicircle Director for Microwave Imaging Application. Jurnal Elektronika dan Telekomunikasi [Internet]. 2021 Dec. 31 [cited 2026 Jul. 25];21(2):85-90. Available from: https://jurnalet.brin.go.id/jet/article/view/430