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 unmagnetized 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密度覆盖导体平板的等离子体对不同频率电磁波的反射系数。