In considering the mechanical ambient for missile launching under water, principle and implementation for measuring the dynamic response of missile model under water are give out.

本文考虑导弹水下发射时的力学环境条件，给出了导弹模型水下点火动响应测试试验原理与实现方法。

youdao

Practical tests of launching under water have been carried out based on a missile model, and parameters such as driving force of the engine and the structural strain of the model are obtained.

并基于某导弹缩比模型进行了实际测试，取得了导弹模型水下发射时发动机推力以及相应的结构壳体应变量等参数。

youdao

Considering some uncertain influencing factors in the missile cost estimation, this paper provides a more effective BP neural network to set up the estimation model of the missile cost.

文中提出了一种更有效的前向BP神经网络，考虑了导弹成本中的一些非确定性的影响因素，建立了导弹成本的估算模型。

youdao

PAC-3 (the forthcoming version of the Patriot missile, whose early model was tested during the 1991 Gulf war), and a naval system that might be on American ships by 2003.

ECONOMIST: Rockets overhead