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om Abstract. In order to achieve the damage effect, when the anti-tank missile hits the target in the top attack model, both precision and terminal impact angle should be satisfied. Firstly, a kind of proportional navigation law with impact position and angle constraint was deduced. Then, the top attack trajectory of the anti-tank missile was designed, the missile flies out of the tube without control, the climb stage was completed by the index number regulation, the stage of glide at a certain angle of attack, at the end of the trajectory the guidance law which was deduced was adopted to satisfy the impact position and angular constraint. The required autopilots were also designed. The results of simulation showed that the trajectory scheme has strong effectiveness for the anti-tank missile to attack targets at different range.

Research on Trajectory Scheme with Large Impact Angle for Fire-and-Forget Anti-Tank Missiles