Dual-polarization microwave lens and its application to a phased

Details Dual-polarization microwave lens and its application to a phased Dual-polarization microwave lens and its application to a phased

1991-11-05

1997-01-28

Issing, Gregory C.

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343756, 343909, H01Q 1906, H01Q 1502

Patent

active

055981720

ABSTRACT:
A microwave lens of the type described in the French patent No. 2,469,808 is adapted to operate with two crossed polarizations. To this end, each of the phase-shifting channels of the lens is subdivided into two subchannels, each of them being assigned to one of said polarizations. Each subchannel includes, in addition to phase-shifting panels, means for rotating by 90.degree. the polarization of the incident wave and impedance matching means.

REFERENCES:
patent: 3569974 (1971-03-01), McLeod, Jr.
patent: 4212014 (1980-07-01), Chekroun
patent: 4320404 (1982-03-01), Chekroun
patent: 4344077 (1982-08-01), Chekroun et al.
patent: 4447815 (1984-05-01), Chekroun et al.
patent: 4975712 (1990-12-01), Chen
patent: 5001495 (1991-03-01), Chekroun
patent: 5081465 (1992-01-01), Collignon

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