A Planar Low-Profile Log-Periodic Array Based on Cavity-Backed Slot Hu, Zhenxin ; Cao, Songbo ; Liu, Meng ; Hua, Changzhou ; Chen, Zhuozhu Abstract Publication: IEEE Antennas and Wireless Propagation Letters Pub Date: October 2019 DOI: 10.1109/LAWP.2019.2933981 Bibcode: 2019IAWPL..18.1966H