Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals
Patent
1983-10-28
1986-07-15
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
By combining or comparing signals
367127, G01S 382
Patent
active
046010254
ABSTRACT:
An apparatus for determining an angle of incidence of a received signal utilizes two widely spaced interferometers with equal length crossing baselines. The time differential of a signal arrival between the two elements of each interferometer is established and the difference between the two time differentials is determined. Multiplying this difference by a predetermined constant provides the desired angle.
REFERENCES:
patent: 3249911 (1966-05-01), Gustafsson
patent: 3545000 (1970-12-01), Heflinger
Farley Richard A.
Levine Seymour
Sperry Corporation
Terry Howard P.
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