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本文在分析雷达和红外两种导引头,脉冲雷达、激光、红外三种体制的引信信号快速处理的共性和个性问题的基础上,以雷达导引头配脉冲多卜勒——伪随机码调相复合引信为具体研究对象,对引信目标及干扰信号的实时快速处理进行研究。同时对引信工作环境下软件的可靠性、各种数据误差影响的分析及导引头计算机的可行性等也进行了研究。内容包括:a.在敌机施放有源无源干扰和存在背景干扰的环境下提取引信有用目标信号;b.综合利用制导和引信信息,计算有关目标和导弹的运动参数;c.完成自适应延迟时间计算,准确地引炸战斗部。文中主要介绍引信信号快速处理的数字仿真手段,包括数学模型的建立、算法的数字仿真以及三维图形模拟。
Based on the analysis of the commonness and individuality of the fast processing of the fuze signal of the three seeker systems of radar and infrared, pulsed radar, laser and infrared system, the radar seeker is equipped with pulse Doppler-pseudorandom code The phase modulation compound fuze is the specific research object, and studies the real-time and fast processing of the fuze target and the interference signal. At the same time, the reliability of the software in the working environment of the fuze, the analysis of the influence of various data errors and the feasibility of the computer of the seeker are also studied. The contents include: a. Extracting useful target signals of fuze under the condition of active and passive interference and background interference from enemy aircraft; b. Utilizing guidance and fuse information comprehensively to calculate the movement parameters of relevant targets and missiles; c. Calculate the delay time and accurately draw the warhead. This paper mainly introduces the digital simulation methods for fast processing of fuze signals, including the establishment of mathematical models, digital simulation of algorithms and three-dimensional graphics simulation.