This paper presents the technique of reducing motorcycle noise and the design method of the exhaust silencer for NF50 motorcycle.
通过NF50排气消声器的设计，介绍了降低摩托车排气噪声的技术及排气消声器的设计方法。
The invention relates to a method for manufacturing a suction muffler and discloses a technique for making energy efficiency higher and reducing noise.
本发明涉及吸入消声器的制造方法，并公开一种用于使能量效率更高并降低噪音的技术。
After reducing the noise by the technique of signal enhancement, the more extract approximation results than traditional approach can be achieved with the TLS method.
在采用信号增强技术降低观测噪声后，利用总体最小二乘方法估计被测信号参数可以得到比传统方法更好的分析结果。
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