包括回归分析和概率统计，通过虚拟阵元进行DOA估计，这个有中文注释，看得明白，计算多重分形非趋势波动分析，添加噪声处理。- Including regression analysis and probability and statistics, Conducted through virtual array DOA estimation, The Chinese have a comment, understand it, Calculate the multifractal trend fluctuation analysis, Add noise processing.