A mathematical model for the optimization of gear dynamic performance is developed and the optimum gear profile modification parameters are then determined by the optimal design approach.
在动态分析的基础上建立了齿轮动态性能优化数学模型，以齿轮动态性能最优为目标，采用优化设计方法，确定最佳齿廓修形量和修形长度。
The physical causation of the optimal trajectory and the corresponding angleofattack profile are presented. It is a good reference for schematic trajectory design for gliding type reentry vehicles.
分析了沿最优轨迹飞行的物理原因和基本迎角控制规律，可为滑翔式再入飞行器的最优轨迹方案设计提供依据。
The physical causation of the optimal trajectory and the corresponding angleofattack profile are presented. It is a good reference for schematic trajectory design for gliding type reentry vehicles.
分析了沿最优轨迹飞行的物理原因和基本迎角控制规律，可为滑翔式再入飞行器的最优轨迹方案设计提供依据。
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