【摘要】 柴油机运行的振动噪声蕴涵着机器大量的状态信息 ,随着测试分析技术的改进 ,文章探讨从声压信号测量、声功率测量、声强测量、声阵列测量可以从中得到更多更详细的信息。柴油机状态检测可以保障机组良好的运行状态 ,预测状态趋势 ,降低运行和维修费用更多还原

【Abstract】 When Diesel engine is running,there are many information of machine state.As testing technology developing,more information can be take from measure sound pressure,sound power,sound intensity,micphone array measurements.Diesel engine state survey can ensure well condition of engine running.Forecast of machine state trend can reduce maintenance cost.更多还原