说明：  分析了高分辨率SAR图像中建筑物的成像特征：叠掩及角反射器效应，获取了SAR图像中建筑物屋顶像点 位移，最后根据相应的公式计算了建筑物的高度。
(This paper analyses the layerover and corner reflection effects of building in high—resolution SAR image．The height of building is computed from layerover of building，based on the corresponding formula)