Dual scan corner reflector antenna

Details Dual scan corner reflector antenna Dual scan corner reflector antenna

1976-01-09

1977-01-04

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343854, H01Q 326, H01Q 1916

Patent

active

040018377

ABSTRACT:
The dual scan corner reflector antenna is a frequency scanned antenna for dar, direction finding, or guidance systems which provides increased information gathering capacity over that of prior art systems. The antenna utilizes a helix frequency scanning feed to drive a dipole antenna array. Each output port of the feed is connected to a power divider or combiner to form a common line to the antenna element. At each end of the helix frequency scanning feed are hybrid terminals used to simultaneously form two receive or transmit radiation patterns. The respective helix feed couplers have symmetrical values about the center of the helix feed, allowing the two radiation patterns to be mirror images of each other at the same frequencies. These two radiation patterns can be scanned simultaneously and independently.

REFERENCES:
patent: 3039097 (1962-06-01), Strumwasser et al.
patent: 3202997 (1965-08-01), Schell

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