smooth

使用matlab代码画语音信号的语谱图，可作为参考资料(Using matlab code to draw speech signal spectrogram can be used as reference.)

很好的PSCAD调用.f小程序。有助于初学者学习(PSCAD good call. F applet. Help beginners learn)

西南交通大学图形学实验，时钟的实验源代码(Southwest Jiaotong University graphics, the clock)

计算机图形学实验，完成立方体的三视图和等轴侧投影(Computer graphics experiments, the completion of three cube view and isometric projection)

pscad下的双馈风机带corwbar实现低电压穿越(difg of pscad with corwbar )

经典绘图（见word文档）：三维曲线，一窗口多图形，图形样式、标注、题字，绘制心形图，用双轴对数，绘制数据向量，条形图，水平条形图，绘制矩阵的面积图，二维饼图，误差图，绘制火柴杆图，绘制羽列图，绘制8阶魔方矩阵的等值线图和阶梯图，绘制玫瑰花图，罗盘图，梯度场矢量图，三维网格图，绘制高斯分布函数的网格图，曲面图，绘制曲线图，三维饼图。三维条形图，绘制柱形图，三维瀑布图，等高线，绘制一个球面，三角形表面图，三维动画图。将word代码拷贝到m文件即可运行，word文件中还有做好的图样例。(The classical drawing (see word document): 3D curve, a window graphics, graphic style, annotation, inscriptions, draw a heart, with double logarithm, drawing data vector, bars, horizontal bar charts, area mapping matrix, two pie charts, error map, drawing fire wood bar graph, plotting feather diagram, isoline chart and the ladder chart of 8 order magic square matrix, drawing compass rose diagram, diagram, gradient vector, three-dimensional grid map, drawing Gauss distribution function of the grid map, the surface chart, draw curve, the 3-D pie chart. A 3-D bar chart, draw a column chart, 3D waterfall map, contour, draw a spherical, triangular surface map, 3D animation graph. Copy the word code to the m file to run, and to map sample word file.)

绘制磁滞回线，模拟磁滞回线产生的过程，便于理论分析建模(Drawing hysteresis loops to simulate the process of hysteresis loops is convenient for theoretical analysis and modeling.)

数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩(Digital image display and its Fourier transform matrix data Two-dimensional discrete cosine transform of image compression)

说明：  利用ncl程序绘制eof分析的图，为大气从业或就学者提供参考。(Using the NCL program to draw the EOF analysis diagram, provide reference for the atmospheric practitioners or scholars.)

使用MATLAB绘制3次均匀B样条曲线，有一定参考价值(The use of MATLAB drawn 3 times uniform B-spline curve, has a certain reference value)