This paper studies the influence of different external disturbance factors on the horizontal backward separation of airborne missiles on large transport aircraft. The method of comparison with experiment was adopted to verify the accuracy of the finite element model during the ejection process. By comparing the finite element model, it was confirmed that the all rigid body model and partly rigid body model are inaccurate in calculating the pitch angle and pitch velocity of the missile separation. Finally, the influences of ejection force, random vibration, and missile loading position on the ejection process are analyzed. The analysis found that the ejection force and the sliding distance will increase the vibration of the launching platform, therefore increase the separation pitch angle and the pitch velocity of the missile, but the influence of random vibration on platform is much greater than the other two factors, and it will also introduce randomness into the movement of the missile.

中文翻译：

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外界因素对机载导弹水平向后发射的影响

本文研究了不同外部干扰因素对大型运输机机载导弹水平后向分离的影响。采用与实验对比的方法验证了弹射过程中有限元模型的准确性。通过对有限元模型的比较，证实了全刚体模型和部分刚体模型在计算导弹分离俯仰角和俯仰速度时是不准确的。最后分析了弹射力、随机振动、弹载位置对弹射过程的影响。分析发现，弹射力和滑动距离会增加发射平台的振动，从而增加导弹的分离俯仰角和俯仰速度，