Abstract
This paper studies the 125mm tank high explosive projectile equipped with two-dimensional correction device. To investigate the aerodynamic characteristic of two-dimension trajectory correction device before starting the correction device for ballistic control, a mathematical model of the fixed-canard rotation was established and the simulation calculations were performed, which uses a ballistic correction procedure to calculate the possible ballistic deviation caused by the rotational speed. The results show that the trajectory distribution is less than 1m, in the speed interval, and determines the best time to reduce the correction device and control the trajectory according to the change of polar restraining moment.
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