At the condition of the same roughness, smaller the roughness exponent of random surfaces is, the higher the precision of the Kirchhoff approximation is.
在粗糙度相同的情况下，表面的分形维数越小，基尔霍夫近似的精度越高。
参考来源 - 用数值格林函数研究近场散斑和超快近场散斑特性·2,447,543篇论文数据，部分数据来源于NoteExpress
The results by the small slope approximation are also compared with those of the Kirchhoff approximation with.
同时将小斜率近似与考虑遮蔽效应的基尔霍夫近似和有关实验测量结果作了比较。
Multiple scattering from two-dimensional rough surface with large surface root mean square(RMS) slope is studied with Kirchhoff approximation.
利用基尔霍夫近似研究了表面均方根斜率较大的二维粗糙面的多次散射问题。
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