中文说明： 计算多重分形非趋势波动分析，用于建立主成分分析模型，matlab程序运行时导入数据文件作为输入参数，用于信号特征提取、信号消噪，验证可用，添加噪声处理。
English Description：
Non-trend volatility calculated multifractal analysis, principal component analysis was used to build the model, MATLAB program is run the import data file as input parameters, used for signal feature extraction and denoising, validation is available, add noise.