计算多重分形非趋势波动分析，多目标跟踪的粒子滤波器，对信号进行频谱分析及滤波，可以得到很精确的幅值、频率、相位估计，基于分段非线性权重值的Pso算法，通过虚拟阵元进行DOA估计。-Calculate the multifractal trend fluctuation analysis, Multi-target tracking particle filter, The signal spectral analysis and filtering, You can get a very acc