The practical remote control system generally has a monitoring function, which is actually a telemetry remote control system. Remote control in a broad sense also includes guidance. The commonly known remote control is the command remote control, that is, the control end control sends the command to the controlled object through wired or wireless transmission, so that the controlled object acts according to the requirements of the control end. Signal transmission technology is a key technology of remote control. Wired remote control uses cables, shielded opt ical wires or , which has strong anti-