A number of pulse motors are located on the muzzle of the rocket-projectile, and can provide a set of constant correct forces in order to improve the precision of rocket-projectile.

• 当实测弹道质心位置偏高理想弹道达到一定域值时。某个发动机被点火，提供一次或多次恒定的控制力，讨弹道进行控制，以提高火箭弹的射击精度。