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介绍一种应用ＣＡＴ技术确定固体火箭发动机燃烧时间的新方法．采用对ｐ（ｔ）曲线进行坐标变换和求最大值来确定发动机燃烧时间．该方法经大量实验证明，不仅精度较高而且简单可靠，是一种实用的数据处理方法．
A new method to determine the burning time of solid rocket motor using CAT technology is introduced. Using p (t) curve for coordinate transformation and find the maximum value to determine the engine combustion time. The method proved by a large number of experiments, not only high accuracy but also simple and reliable, is a practical method of data processing.