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目的 识别某军用柴油机噪声源 .方法 采用频谱分析法对柴油机作噪声源识别 .结果 获得了柴油机噪声的频谱曲线 ,掌握了引起噪声的主要振动部位及原因 .结论 频谱分析法识别柴油机噪声源是有效的
Objective To identify the noise source of a military diesel engine.METHODS Spectrum analysis was used to identify the noise source of diesel engine.Results The spectrum of diesel engine noise was obtained and the main vibration components and causes of noise were identified.Conclusion The spectral analysis method is effective to identify the noise source of diesel engine of