针对软阈值滤波和硬阈值滤波的缺陷,设计出了一个线性和非线性相结合的新的阈值函数。在试验仿真后,将其用于实际的振动信号处理。实践证明,此方法不仅滤除了大量的噪声,而且很好地保留了信号的细节,为提取到清晰的故障特征以及分析故障特征创造了条件。 Aiming at the defects of soft threshold filtering and hard threshold filtering, a new threshold function combining linearity and nonlinearity is designed. After the experimental simulation, it is used for actual vibration signal processing. Practice has proved that this method not only filter out a lot of noise, but also well preserved the details of the signal for the extraction of a clear fault characteristics and analysis of fault characteristics to create the conditions.