为研究正态散布时火箭子母弹毁伤概率的计算问题,首先用概率分析的方法建立相关射击对目标毁伤概率的计算模型,然后用“化四个象限积分为一个象限积分”方法将相关射击火箭子母弹对目标毁伤的全概率表达式转化为在第一象限的积分表达式,并给出了具体计算步骤,最后通过算例结果分析得出火箭子母弹毁伤概率计算时网格划分的大小可取为H=0.4。

As for damage probability calculation of cluster rocket in normal distribution, first, probability analysis was used for calculation model of damage probability, then, total probability expression of cluster rocket damaging target was converted into integral expression in the first quadrant by using the method of "changing four quadrants integration for one quadrant integration", and specific calculation steps were given, finally, according to example analysis result, desirable mesh size was H = 0.4 for calculating damage probability of rocket cluster.