Based on reliability and safety requirements for the flight and tracking of antisubmarine missile, this paper, analyzes the physical process and control technology of antisubmarine missile terminal trajectory from the stage decomposition in air,the trajectory control before parachuting,the physical process of a parachute opening and the trajectory and control of missile-parachute system. Then it summarizes the basic mathematical equations of air vertical plane trajectory and the energy equation of parachute, derives the basic kinetic equation of missile-parachute system. And it elaborates the key technologies and typical components water-entry and buffer of antisubmarine missile from external load and impact environment, dynamic response analysis of missile structure, stability and water-entry buffering technology. This paper provides a theoretical basis with the design and using of antisubmarine missile.%基于反潜导弹空中飞行和入水跟踪的安全性可靠性要求,从空中末弹道的阶段划分、开伞前的弹道控制、降落伞拉直和充气时的物理过程、弹伞系统空间弹道及控制等方面,分析了反潜导弹空中末弹道的物理过程与控制技术,总结了降落伞增阻减速的能量方程以及雷伞系统空间弹道方程的基本动能公式;从外载荷和冲击环境、导弹结构动响应分析、导弹结构动响应分析、导弹冲击稳定性、导弹入水缓冲技术等方面阐述了反潜导弹(鱼雷)入水及缓冲的关键技术和典型部件,为反潜导弹的设计与使用提供理论依据.
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