LOG-PERIODIC RESONANT AERIAL Russian patent published in 1997 - IPC

FIELD: radioelectronic industry. SUBSTANCE: log-periodic resonant aerial antenna has linear array of slot-type radiating elements which lay out is made so that geometric relation of two adjacent elements and two abut interelement intervals is constant, feeder with active resistance loading equal to wave specific impedance. Radiating elements slots are made like plate ring circle sectors in resonators walls. Exciting members of each radiating element are made like short-closed loops which planes are placed parallel to linear array axis and perpendicular to bottom and top walls of resonators. Members insulated from construction and members projecting out of radiating elements area are absent so it provides higher mechanical strength of construction. EFFECT: higher efficiency of antenna, better mechanical resistance of construction. 3 cl, 3 dwg