中文说明：构成不同频率的调制信号，这个有中文注释，看得明白，计算晶粒的生长，入门级别程序,添加噪声处理，基于matlab GUI界面设计,仿真效率很高的。
English Description：
Constitute the modulation signal of different frequencies, this has Chinese notes, to understand, calculate the grain growth, entry-level program, add noise processing, based on the GUI Matlab interface design, simulation efficiency is very high.