有PMUSIC 校正前和校正后的比较，多抽样率信号处理，能量熵的计算，通过虚拟阵元进行DOA估计，插值与拟合，解方程，数据分析，采用热核构造权重。- A relatively before correction and after correction PMUSIC, Multirate signal processing, Energy entropy calculation, Conducted through virtual array DOA estimation, Interpolation and fitting, solution of equations, data analysis, Thermonuclear using weighting factor.