Communications: directive radio wave systems and devices (e.g. – Radar for meteorological use
Patent
1991-10-03
1992-12-22
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
Radar for meteorological use
G01S 1395
Patent
active
051737043
ABSTRACT:
A bi-static radar system with an autonulling feature. The system may be used to detect clear air turbulence, for example, in the vicinity of the airports, or to provide an electronic fence for moving air-borne targets having low radar cross sections. The receiver comprises signal and nulling antennas, and the signal received by the nulling antenna is electronically adjusted in phase and amplitude to provide autonulling of the background signal received directly from the transmitter.
REFERENCES:
patent: 3251057 (1966-05-01), Buehler et al.
patent: 3491358 (1970-01-01), Hicks
patent: 4540978 (1985-09-01), Burns et al.
patent: 4595924 (1986-06-01), Gehman
Buehler Walter E.
Lunden Clarence D.
Svy Kosal
Barron Jr. Gilberto
The Boeing Company
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