中文说明：
二维FDTD圆柱散射问题RCS计算matlab代码。包含平面波引入，场值迭代，2阶MUR边界条件，UPML边界条件，近远场外推，后处理RCS计算代码以及圆柱散射的解析解代码。
English Description：
Two dimensional FDTD cylinder scattering RCS calculation matlab code. It includes plane wave introduction, field value iteration, second-order Mur boundary condition, UPML boundary condition, near-field and far-field extrapolation, post-processing RCS calculation code and analytical solution code of cylinder scattering