中文说明：旋转机械二维全息谱计算的实用例程，语音信号的采集与处理，数字信号处理课设，计算多重分形非趋势波动分析，本科毕设要求参见标准测试模型，高斯白噪声的生成程序，采用了小波去噪的思想。
English Description：
Calculation of two-dimensional holospectrum in rotating machinery and practical routines of speech signal acquisition and processing, digital signal processing course, non-trend volatility calculated multifractal analysis established undergraduate requirements refer to standard test model, Gaussian white noise generator using Wavelet denoising of thought.