使用快速傅利叶变换法计算3D分形维数，是一种算法-Calculation of fractal dimension of a 3D volume using fft

有CDF三角函数曲线/三维曲线图，计算晶粒的生长，入门级别程序,可直接计算得到多重分形谱。- There CDF trigonometric curve/3D graphs, Calculation of growth, entry-level program grains It can be directly calculated multi-fractal spectrum.