Linear array antenna with e-plane backlobe suppressor

Details Linear array antenna with e-plane backlobe suppressor Linear array antenna with e-plane backlobe suppressor

1991-01-02

1992-09-29

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With aircraft

343826, 343829, H01Q 1280, H01Q 9380, H01Q 9420

Patent

active

051517078

ABSTRACT:
An antenna comprising a linear array of active elements positioned in one or more rows. The back portion of the array is partially enveloped by a reflector. The reflector includes a backwall and at least one sidewall perpendicular to the backwall and extending forward of the backwall. In one embodiment of the invention, a single row of dipole radiators form the linear array. In a second embodiment of the invention, a row of folded monopoles mounted on an imaging ground plane form the linear array. The radiation pattern is directed forward of the reflector, the back radiation in the E-plane being suppressed by the sidewall of the reflector.

REFERENCES:
patent: 2594871 (1952-04-01), Chu et al.
patent: 2691102 (1954-10-01), Masters
patent: 4514734 (1985-04-01), Cermignani et al.
patent: 4656482 (1987-04-01), Peng
patent: 4864319 (1989-09-01), Chen et al.

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