Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1966-03-22
1981-12-29
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 172R, 343 172PC, G01S 1328, G10S 1344
Patent
active
043085385
ABSTRACT:
A receiver in a radar system has two feed horns which supply a hybrid. The ybrid sums the amplitude of the signals from the feed horns at its first output and subtracts the signals at its second output. The outputs are each converted to I.F. by mixers, de-chirped, and then are coherently integrated. The integrated output of the difference is fed to a servo for tracking. The integrated output of the sum is fed through a control unit to control the beat signal of the mixers.
REFERENCES:
patent: 2624876 (1953-01-01), Dicke
patent: 2929056 (1960-03-01), Page
patent: 3153234 (1964-10-01), Begeman et al.
patent: 3201702 (1965-10-01), Hanulec et al.
patent: 3223999 (1965-12-01), Groginsky
Edelberg Nathan
Gibson Robert P.
Hubler Malcolm F.
Sims Robert C.
The United States of America as represented by the Secretary of
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