Low sidelobe phased array antenna system

Details Low sidelobe phased array antenna system Low sidelobe phased array antenna system

1982-11-30

1984-12-18

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343379, H01Q 322, H01Q 324, H01Q 326

Patent

active

044893248

ABSTRACT:
In a pulse radar system, wide angle sidelobes are reduced considerably in a phased array antenna by advancing each digital phase shifter by one bit just before each radar pulse is transmitted. This advance maintains the linear phase slope of the antenna elements as the difference in phase between adjacent elements is uniform, thereby having little effect on the antenna's main beam. However, the radar return signals from the sidelobes are reduced in comparison to the main beam return due to the radar receiver's integration process.

REFERENCES:
patent: 3182325 (1965-05-01), Blume
patent: 4318104 (1982-03-01), Enein

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