Unmanned aerial vehicle signal relay system and application

The invention discloses an unmanned aerial vehicle signal relay system and application thereof. The unmanned aerial vehicle signal relay system comprises remote control equipment, more than two signal relay unmanned aerial vehicles and an operation unmanned aerial vehicle, wherein the more than two signal relay unmanned aerial vehicles are in signal connection with the remote control equipment and the operation unmanned aerial vehicle at the same time, fly at different positions without signal obstruction between the remote control equipment and the operation unmanned aerial vehicle, receive control signals sent by the remote control equipment, amplify the control signals and forward the control signals to the operation unmanned aerial vehicle; and meanwhile, an acquisition signal containing various parameters sent by the operation unmanned aerial vehicle is received, amplified and forwarded to the remote control equipment. According to the unmanned aerial vehicle signal relay system, the unmanned aerial vehi