In this paper, autocorrelation function method is used to analyze pressure fluctuant signals and an right judgment of combustion condition can be obtained from autocorrelation analysis curves.
本文利用自相关函数分析燃烧过程的压力脉动信号，并根据不同燃烧状况下压力脉动自相关曲线对燃烧状况作出正确判断。
The mechanical seal utilized in submarine's weapon ejection pump works under fluctuant working pressure and is used in low frequency, and high reliability is indispensable.
水下舰艇武器推进泵的机械密封装置的工作压力波动、使用频率小，并要求可靠性高。
Under circumstance of pulsant (fluctuant) pressure, prescribed maximum of measured pressure is one-third of full scale of the selected gauge.
在脉动（波动）压力的情况下，被测压力的最大值选用压力表满刻度值的二分之一。
Under circumstance of pulsant (fluctuant) pressure, prescribed maximum of measured pressure is one-third of full scale of the selected gauge.
在脉动（波动）压力的情况下，被测压力的最大值选用压力表满刻度值的二分之一。
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