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随机膛压是引信机构性能和强度可靠性设计的基本数据。所以很有必要寻找一个火炮膛压曲线随机模拟的实用方法。文中在分析产生随机膛压的各种方法的基础上，提出了从实测膛压出发，以自相关函数为桥梁，辅以必要的数理统计方法，通过时实测膛压的预处理和分析计算得到随机膛压的有关特性曲线和参数，再重组得到随机膛压的实用数字模拟方法。
Stochastic chamber pressure is the basic data of design reliability and strength of the fuse body. Therefore, it is necessary to find a practical method of stochastic simulation of gun chamber pressure curve. Based on the analysis of various methods of generating stochastic bore pressure, this paper proposes that starting from the measured bore pressure, taking the autocorrelation function as a bridge, supplemented by the necessary mathematical statistics method, through the pre-processing and analysis of the measured bore pressure Random chamber pressure of the relevant characteristics and parameters, and then get a random ram pressure practical numerical simulation.