摘要
本文对机床噪声信号进行了分析研究，针对机床噪声信号的特点，运用ＦＦＴ功率谱分析了机床噪声的变化规律并找出了机床传动链中的故障点。肯定了用ＦＦＴ功率谱分析机床噪声信号的可信性。
This paper analyzes and studies the noise signal of machine.In accordance with the characteristics of the noise signal of machine,it analyzes the varation regularity of noise of machine and finds out the breakdown point by using FFT power spectrum.It affirms the reliablity for the analysis of the noise signal of machine by using FFT power spectrum.
关键词
噪声测量
功率谱
噪声信号
机床
噪声
machine niose
noise measurement
analyses
FFT power spectrum
noise signal
