王世奇;陈传举;

1:河南科技大学

    摘要：为了提高发动机的动力性、经济性指标,同时改善其排放性能,根据发动机排气噪声的频谱特征,结合有源消声技术的特点,提出并设计了一种基于模拟电子技术的有源消声系统,并对该系统的消声机理进行了理论研究。实验系统的结果表明,取得了明显的降噪效果。

    关键词： 发动机;;噪声控制;;有源消声

    Abstract: According to the engine exhaust noise spectrum characteristics,an experimental system based on the characteristics of Active Noise Control Technology and the simulation of electronic technology the simulation of electronic technology was put forward in order to enhance engine's power and save fuel,in which the noise cancellation mechanism of the system was also studied.The experiment showed that the effect of noise attenuation is obvious.

     Keywords: Engine;Noise Control;Active Silence

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