Active noise cancellation of equipment fan noise on aircraft

The improved active noise cancellation system for forced air heating or cooling systems onboard aircraft employs a duct having a proximal end coupled to the fan unit to entrain the airflow stream in the direction of a distal end of the duct. A reference sensor is positioned within the proximal end o...

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Bibliographische Detailangaben
Hauptverfasser: Wang, Tongan, Bohanan, Scott, Jordan, Jim
Format: Patent
Sprache:eng
Schlagworte:
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