【摘要】 提出一种新的信号预处理方法——幅值奇次乘方法。研究表明，该方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。更多还原

【Abstract】 A new method for signal preprocessing,the odd power of signal amplitude,is presented.Results of the study shows that this method can effectively weaken the random noise that infiltrated into mechanical signals,and therefore improve the signal to noise ratio.更多还原