使用大量的有限元法求解偏微分方程，IDW距离反比加权方法，对于初学者具有参考意义，均值便宜跟踪的示例，有均匀线阵的CRB曲线，直线阵采用切比学夫加权控制主旁瓣比。- Using a large number of finite element method to solve partial differential equations, IDW inverse distance weighting method, For beginners with a reference value, Example tracking mean cheap, There ULA CRB curve, Linear array using cut than learning laid upon the right control of the main sidelobe ratio.