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推导了末敏弹二体运动模型计算中伞绳张力的表达式。先建立伞体和弹体各自的质心运动方程组，再由伞弹连接点是伞弹共同点这一约束出发，建立联系方程，最后求出伞绳张力，并将它代入未敏弹系统完整的运动方程组，联立求解。计算结果与试验实测结果有很好的一致性。
The expression of the tension of the rope in the end-sensitive projectile’s two-body motion model is deduced. Firstly, the equations of motion of the center of mass of the wing and the projectile are established, and then the connection point of the parapet is the constraint of the common point of the parafoil. Then, the connection equation is established and finally the tension of the parachute rope is obtained and substituted into the intact missile system Equation of motion, solved jointly. The calculated results are in good agreement with the experimental results.