Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1979-03-12
1983-04-26
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 5NQ, G01S 114
Patent
active
043815081
ABSTRACT:
A communications system including main and auxiliary antennas for reducing sidelobe interference with circuitry included in the feedback loop for estimating clutter by determining the difference between repetitious signals and subtracting a portion of the difference in the proper time sequence, relatively rapid changes between repetitous signals being composed generally of clutter.
REFERENCES:
patent: 3881177 (1975-04-01), Len et al.
patent: 3978483 (1976-08-01), Lewis et al.
patent: 3982245 (1976-09-01), Soule, Jr. et al.
patent: 4097866 (1978-06-01), Frost et al.
patent: 4119962 (1978-10-01), Lewis
patent: 4119963 (1978-10-01), Zwarts et al.
Hubler Malcolm F.
Motorola Inc.
Parsons Eugene A.
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