Yu Q, Liu S, Huang Z, Kong X, Hu Y, Wen Y. Gain Enhancement Planar Lens Antenna based on Wideband Focusing Gradient Meta-surface. ACES Journal [Internet]. 2021 Nov. 4 [cited 2026 Apr. 22];36(06):650-6. Available from: https://journals.riverpublishers.com/index.php/ACES/article/view/12061