Homing system and method for an autonomous underwater vehicle
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United States of America Patent
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Dec 3, 2013
Grant Date -
Sep 5, 2013
app pub date -
Jun 26, 2012
filing date -
Mar 2, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A submarine homing system includes an acoustic emitter configured to emit an acoustic signal comprising at least two narrow-band tones, each narrow-band tone having a respective predetermined center frequency. An acoustic receiver is configured to receive the acoustic signal from the acoustic emitter, and produce one or more receiver signals. A processor is operatively connected to the acoustic receiver. The processor is configured to process the receiver signals to calculate a direction between the acoustic receiver and the acoustic emitter.
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