Radar antenna employing phase shifted collinear dipoles

Details Radar antenna employing phase shifted collinear dipoles Radar antenna employing phase shifted collinear dipoles

1978-12-26

1980-12-02

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343854, H01Q 326

Patent

active

042374642

ABSTRACT:
An antenna array radiation pattern switching system suitable for use in re-gated, pulse doppler, radar systems. The antenna array includes first and second antennas, one of which is fed through a fixed phase-shift network while the other is fed through a phase-shift network with double the phase shift of the fixed phase-shift network that can selectively be switched in and out of the feed circuit.

REFERENCES:
patent: 1934412 (1933-11-01), Enclund
patent: 2558727 (1951-07-01), Bernet
patent: 3056961 (1962-10-01), Mitchell
patent: 3160887 (1964-12-01), Broussaud et al.
patent: 3172111 (1965-03-01), Breetz
patent: 3500423 (1970-03-01), Church
patent: 3803621 (1974-04-01), Britt
patent: 4063250 (1977-12-01), Fenwick

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