Moving target detector

Details Moving target detector Moving target detector

1975-11-24

1977-04-05

Farley, Richard A.

Communications: electrical

Selective

340 3D, 343 77, G01S 966

Patent

active

040165280

ABSTRACT:
An ultrasonic echo system for detecting moving targets by processing the doppler shifted reflected signals. Signals indicative of stationary objects are suppressed by a feedback arrangement which subtracts signal components derived from stationary objects from the incoming echo signals.

REFERENCES:
patent: 3662371 (1972-05-01), Lee et al.
patent: 3781773 (1973-12-01), Ravas
patent: 3878526 (1975-04-01), Pedersen

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