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介绍了声强测量基本原理、微机分析系统和用于汽车发动机ＥＱ６１００噪声源识别的实例，说明声强测量分析微机系统是进行内燃机宗源识别的有力工具。
The basic principle of sound intensity measurement, computer analysis system and noise source identification of automobile engine EQ6100 are introduced. It is shown that the sound intensity measurement and analysis microcomputer system is a powerful tool to identify the source of internal combustion engine.