An apparatus and method for reducing background noise captured by a UAV acoustic sensor are disclosed. The background noise may be reduced by incorporating a known UAV acoustic signature corresponding to a determined flight parameter into an adaptive filter coupled to the acoustic sensor.
NOISE-REDUCTION SYSTEM FOR UAVS
2018-07-19
Patent
Electronic Resource
English
IPC: | G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS / B64C AEROPLANES , Flugzeuge / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler |
Noise Measurements of Tactical UAVs
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