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面向作战效能的弹载卫星导航抗干扰指标分析方法
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摘要
导弹的导航系统通常由卫星导航和惯性导航组合而成,两者可起到优势互补的作用。但是,导弹在飞行末端极有可能面临强干扰,此时卫星导航将不能正常工作,只能依靠惯性导航继续飞行,而惯性导航又存在累积误差。本文分析了导弹的打击精度与弹载卫星导航抗干扰指标、导弹飞行速度、惯性导航位置偏差之间的关系,并进行了数值仿真。
Navigation system of missiles is usually constituted with a satellite navigation system and an inertial navigation system,both of which play the role with complementary advantages for each other.However,missiles are likely to face strong interference during the end of flight,the satellite navigation system would not work properly,which could only rely on inertial navigation to complete the terminal flight.It is noteworthy that the inertial navigation has accumulated error.Therefore,in this paper,the relationships of the hit precision of missile with the anti-jamming indexes of satellite navigation,with the flight speeds of the missiles and the position deviation of inertial navigation are analyzed,and the numerical simulations are also conducted.
引文
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