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本文阐明了导弹气压引信的工作机理、远调原理和设置卡尔曼抗爆滤波器的必要性。指出了不收发任何信号又具有滤波能力的气压引信具有完全的抗干扰能力,可以用作主引信或辅助引信。提出了各方案感压性能的工程近似估算方法,介绍了适用于超音速情况下的高精度锥型静压探针,给出了气压引信的误差分析原理、误差源、典型方案的误差计算结果与分析,在误差分析的基础上对各方案进行了比较,并指出了提高气压引信精度的努力方向。本文可供确定导弹引信方案与研制气压引信时参考。
This article clarifies the working principle of the missile barometric fuze, the principle of far adjustment, and the necessity of setting up a Kalman antiknock filter. It is pointed out that the air-pressure fuze, which does not send and receive any signal but has filtering capability, has complete anti-jamming capability and can be used as a primary fuse or an auxiliary fuse. The engineering approximate estimation method of the pressure sensing performance of each scheme is put forward. The high precision cone hydrostatic probe suitable for supersonic condition is introduced. The error analysis principle, error source and error calculation of the typical scheme are given Based on the error analysis, the schemes are compared and the direction of efforts to improve the precision of air-pressure fuze is pointed out. This article can be used to determine the missile fuze program and development of gas fuze reference.