Emergency broadcast method based on unmanned aerial vehicle

Abstract

The invention provides an emergency broadcast method based on an unmanned aerial vehicle, which comprises the following steps: an emergency broadcast platform transmits an emergency broadcast messageto an adapter; a transmitting device transmits a broadcast television signal containing the emergency broadcast message; a receiving device of the unmanned aerial vehicle obtains the emergency broadcast message; the transmitting device of the unmanned aerial vehicle performs local broadcast television signal coverage; a local emergency broadcast receiving terminal receives the broadcast televisionsignal containing the emergency broadcast message and obtains the emergency broadcast message, and outputs audio and video broadcast; and a wireless local area network pushes or plays the audio and video broadcast on demand. According to the emergency broadcast method based on the unmanned aerial vehicle, when a local wireless network and local broadcasting are interrupted, emergency broadcastingis conducted, rescue information is issued, the coverage area is large, stable broadcasting is kept, and complete receiving can be achieved on the ground.

Description

technical field [0001] The present invention relates to the technical field of emergency broadcasting, in particular to an emergency broadcasting method based on a drone. Background technique [0002] When emergencies such as typhoons and earthquakes occur, the local wireless network will be interrupted, and the local radio and television transmission network will be interrupted, and the public will not be able to obtain rescue information. Some broadcast emergency broadcasts and release rescue news by installing speakers on the drones; the disadvantage is that the coverage is small, and the drones cannot be heard from a long distance, and the drones fly around and cannot be heard completely on the ground. There is a need for an emergency broadcast method. When the local wireless network and the local broadcast are interrupted, the emergency broadcast is carried out, and the rescue message is released. The coverage is large, and the stable broadcast can be completely receive...

AI Technical Summary

Problems solved by technology

[0002] When emergencies such as typhoons and earthquakes occur, the local wireless network will be interrupted, the local radio and television transmission network will be interrupted, and the public will not be able to obtain rescue information

Some broadcast emergency broadcasts and release rescue news by installing speakers on the drone; the disadvantage is that the coverage is small, and the drone cannot hear it at a long distance, and the drone is flying around, and it cannot be heard completely on the ground.

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