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DRONE DETECTION AND CLASSIFICATION METHODS AND APPARATUS

  • US 20150302858A1
  • Filed: 04/22/2014
  • Published: 10/22/2015
  • Est. Priority Date: 04/22/2014
  • Status: Active Grant
First Claim
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1. A method for detecting drones comprising:

  • receiving a sound signal in a microphone;

    recording, via a sound card, a digital sound sample of the sound signal, the digital sound sample having a predetermined duration;

    processing, via a processor, the digital sound sample into a feature frequency spectrum;

    applying, via the processor, broad spectrum matching to compare the feature frequency spectrum to at least one drone sound signature stored in a database, the at least one drone sound signature corresponding to a flight characteristic of a drone model; and

    conditioned on matching the feature frequency spectrum to one of the drone sound signatures, transmitting, via the processor, an alert.

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