Antenna arrangement

Details Antenna arrangement Antenna arrangement

1998-10-20

2000-10-31

Le, Hoanganh

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343803, 343846, H01Q 926

Patent

active

06140974&

ABSTRACT:
The present invention provides an auxiliary or side lobe cancelling antenna particularly for horizontally polarised main antennas. The auxiliary antenna arrangement for cancelling side lobe interference from a main antenna comprises a ground plane shaped in a concertina or zig-zag fashion. Dipole pairs are spaced from and arranged perpendicular to the front bends, the dipoles having ends angled towards corresponding ground plane sections. The dipoles are connected anti-phase to provide a radiation pattern approximating an ideal auxiliary antenna mask of the main antennas pattern.

REFERENCES:
patent: 3409893 (1968-11-01), Siukola
patent: 3488657 (1970-01-01), Pressel et al.
patent: 3611399 (1971-10-01), Rocke

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