This paper introduces the styles , functions and current research of aeronautic missile ejecting device . the structure , principle of blank cartridge ejecting device and its differentia are discussed in detail 本文介绍了机载导弹发射装置的类型、功能与研究发展趋势，详细论述了抛放弹弹射系统的结构、原理以及与其它类型系统的异同点。
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Because of its extensive application and underdeveloped research level in our country , this paper establish the numerical model of blank cartridge ejecting device , the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics . several simulation examples are given , and the effect of different parameter structure on ejecting device is discussed 鉴于这类系统在我国的广泛应用与相对滞后的研究水平，本文针对三种类型五种型号的挂弹钩建立了抛放弹弹射机构的数学物理计算模型，用经典内弹道和气体动力学理论分析了火药弹燃烧到弹射活塞完全推离悬挂物的整个过程。
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