Figure 6. Simulated Reflection coefficient (Return loss) for the I-shaped DRA versus frequency

From

Design for a Micro Strip Line Fed I Shaped Dielectric Resonator Antenna for Milimeter Wave Application

Arun Agarwal, Kabita Agarwal, Gourav Misra

American Journal of Electrical and Electronic Engineering. 2019, 7(2), 49-54 doi:10.12691/ajeee-7-2-5