Unmanned aerial vehicle early warning apparatus and early warning method thereof

Unmanned aerial vehicle early warning apparatus and early warning method thereof

  • CN 104,991,245 A
  • Filed: 07/29/2015
  • Published: 10/21/2015
  • Est. Priority Date: 07/29/2015
  • Status: Active Application
First Claim
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1. a unmanned vehicle prior-warning device, is characterized in that, comprising:

  • For gathering the sound collection unit of characteristic frequency sound in spatial domain;

    Sound characteristic storage unit, for storing and unmanned vehicle predetermined sound feature;

    Described sound collection unit and described sound characteristic storage unit are carried out the sound comparing unit contrasted, and according to comparing result, described sound comparing unit can judge whether that unmanned vehicle is close;

    AndWhen the judged result of described sound comparing unit, when having unmanned vehicle in spatial domain, can send the prewarning unit of warning action.

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