Simulation of tracking and identifying process of dynamic laser beam pointing system

3D simulation scene is obtained according to formulae of target and background luminance and 3D graphics software. Based on the simulation scene, tracking and identifying process of dynamic laser beam pointing system is studied. Several errors in tracking and aiming process and effects of scale and target imaging attitude in the scene on process are concerned. The construction of 3D scene and image process methods are proved correct by comparing simulation results with theoretic results of the tracking error of moving top of head edge. Head edge tracking is studied and enough tracking precise is achieved for laser beam pointing system.