The WKB method is used to calculate the amount of reflection coefficient of a plane wave normally (or obliquely) incident on a conductive plane covered with inhomogeneous plasmas.

• 用WKB方法给出了垂直入射、斜入射情况下，非磁化不均匀等离子体电子密度呈抛物线分布和线性分布时，覆盖导体平板的等离子体对电磁波的反射系数。