Heterodyne Autocorrelation Guidance System.
DEPARTMENT OF THE NAVY WASHINGTON DC
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The patent relates generally to methods and means for determining the direction of a sonic energy source and automatically effecting control of a carrier vehicle in accordance therewith, and, in particular, relates to a twin heterodyne autocorrelation sonar guidance system for long range homing torpedoes and other submarine conveyances and apparatus.
- Acoustic Detection and Detectors