Automatic control anti-pirate high-pressure sand-containing water cannon system and method thereof

The invention discloses an automatic control anti-pirate high-pressure sand-containing water cannon system and a method thereof. The system consists of a target coordinate tester, a sand-containing high-pressure water cannon, a control handle and a large viewing field telescopic optic searching lens and is arranged in a defense region of a ship deck, wherein the target coordinate tester consists of a control main frame and a control box; inside the target coordinate tester, a communication module, a zoom driving module, image fusion and difference evaluation modules, a servo computer, a laserranging module and a main control computer are connected with one another through buses; the control handle and the optic searching lens which serve as external equipment are connected with the main control computer through the buses; video information acquired by a viewing lens is converted into a video format required by a display screen of the control box and transmitted to the display screen for displaying through the