Rotary beam antenna
作者： George H Brown
DOI:
关键词: Omnidirectional antenna 、 Passive radiator 、 Loop antenna 、 Periscope antenna 、 Electrical engineering 、 Antenna (radio) 、 Antenna feed 、 Engineering 、 Optics 、 Dipole antenna 、 Beam waveguide antenna
摘要: This invention relates to radio beam antennas and particularly a antenna including means for operating the same at either of two related wave lengths. Yagi U. S. Patent No. 1,745,342 describes system in which driven is coupled parasitic director parasitic...
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