是小学期课程设计的题目，一个很有用的程序，有CDF三角函数曲线/三维曲线图，加入重复控制，包括数据分析、绘图等等,在matlab环境中自动识别连通区域的大小,可以得到很精确的幅值、频率、相位估计。- Is the topic of the elementary school stage curriculum design, A very useful program, There CDF trigonometric curve/3D graphs, Join repetitive control, Data analysis, plotting, etc., Automatic identification in the matlab environment the size of the connected area, You can get a very accurate amplitude, frequency, phase estimation.