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为了提高超声速反舰导弹针对远程舰空导弹的突防效果,将大空域变轨弹道改进为大空域螺旋机动弹道。鉴于降高段是遭遇远程舰空导弹拦截的阶段,将降高段改进为螺旋机动降高弹道。为了完成螺旋机动降高弹道,而且保证降高段后平稳地过渡到低空巡航段,提出了一种带螺旋机动的变结构制导律。最后,进行了大空域螺旋机动弹道仿真以及反舰导弹与远程舰空导弹的攻防对抗仿真。仿真结果表明,反舰导弹采用大空域螺旋机动弹道比以前采用的大空域变轨弹道的突防概率提高了90.7%。
In order to improve the penetration effect of supersonic anti-ship missiles against long-range air-to-air missiles, the large-area orbit trajectory is improved to be a large airspace helical maneuvering trajectory. In view of the descending stage is the encounter of long-range air-to-air missile interception stage, the descending section improved to spiral maneuver lowering trajectory. In order to complete the spiral maneuvering to reduce the trajectory, and ensure a smooth transition to the lower cruising section after the descending stage, a variable structure guidance law with helical maneuver is proposed. Finally, a large airship spiral maneuvering trajectory simulation and anti-ship missiles and long-range air defense missiles attack and defense confrontation simulation. Simulation results show that the penetration probability of anti-ship missiles using large airspace spiral maneuvering trajectory is 90.7% higher than that of previous large-scale airspace rerouting trajectory.