介绍了小波分析的优越性，给出了二进离散小波变换的迭代公式，从工程应用角度研究了小波分析的工程实现技术。对压缩机振动信号进行了二进小波监测分析，得到了压缩机原始信号在不同频率段分解的细节信号的逼近信号，并给出了不同频率段压缩机振动信号的瀑布分析图，得到了满意的分析结果。 The superiority of wavelet analysis is introduced, and the iterative formula of binary discrete wavelet transform is given. The engineering realization of wavelet analysis is studied from the perspective of engineering application. Compressor vibration signals were analyzed by binary wavelet analysis, and the approximation signals of the detail signals of compressor original signals decomposed in different frequency bands were obtained, and the waterfall analysis diagrams of vibration signals of compressors in different frequency bands were given. Analysis of the results.