振动信号随机与周期成分分离技术研究

Research of random and cycle element in vibrationsignal separation technology

本文运用傅立叶谱估计方法对振动信号中周期成分进行估计和精确定位 ,设计出V型滤波器和梳状滤波器并由程序实现振动信号中的随机和周期成分的分离。

In this paper th e perjodic elem ent in vibration signal was estimated an d located precisely by use of Fourier sp ectrum estimation technique.V filter and pectination filter were desined.The sepa ration of random and periodic element in vibration signal was completed by compu ter program.