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本文首先根据雷达原理和信号检测理论,推导雷达作用距离R 的方程、虚警概率P_f 的方程、发现空中目标概率P_d 的方程(推导见“火力与指挥控制”87年第4期),再由具体兵器确定其参数,编写程序,用计算机算得。在分析含有雷达的武器系统效能时,不可避免地会遇到雷达的发现目标概率问题。下面依某警戒雷达为例,计算其发现空中目标的概率。
In this paper, firstly, according to radar theory and signal detection theory, we deduce the equation of radar distance R and the equation of false alarm probability P_f, find the equation of air target probability P_d (for the derivation, see “Firepower and Command Control” 87, No. 4) Specific weapon to determine its parameters, the preparation of procedures, calculated using a computer. In analyzing the effectiveness of a radar-equipped weapon system, it is inevitable that the probability of finding a target for the radar will be met. Following a warning radar, for example, calculate the probability of finding an aerial target.