柴油机噪声研究工作在六十年代初期才开始,当时限于仪器设备,只能进行一些资料收集、消化工作或作一些简单测量分析。直至七十年代起柴油机噪声问题才逐步受到重视,研究噪声的单位逐渐增多,测试分析手段也逐步配套,通常进行一些柴油机进、排气噪声的分析,消声器的研究。到七十年代末,随着技术引进,大量进口国外较先进的仪器设备,与此 Diesel engine noise research began only in the early 1960s when it was limited to instrumentation and equipment, and only some data collection and digestion work or some simple measurement and analysis was conducted. Until the 1970s, the problem of diesel engine noise was gradually taken seriously. The units of researching noise were gradually increasing. The testing and analysis methods were gradually supplemented. Some analysis of the intake and exhaust noise of diesel engines and the muffler were usually carried out. To the late seventies, with the introduction of technology, a large number of imported advanced foreign equipment, with this