In this paper, based on the analysis of two-dimension fractional Bron motion (fBm) and according to theory of fractional Brown motion (fBm), fBm simulation of two-dimension rough surface is presented.

• 本文基于对二维分形布朗运动（fBm）的研究，根据fBm的特征，阐述了用二维fBm函数模拟随机粗糙面的方法。