It is shown that the method is characterized by high computing efficiency and less memory, and is useful in computing RCS of an electrically large target with a surface coated medium.

• 该方法具有计算速度快、节省储存空间等特点，对于计算相似曲面及平面的电大尺寸涂敷目标的雷达散射截面，具有很好的实用价值。