a

说明：  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.)

smith圆图及阻抗匹配等相关应用，附有详细的代码(Smith Chart and impedance matching smith and other related applications, with detailed code)

下垂控制的PSCAD模型，可完美运行，供参考学习(PSCAD model droop control)

生成简单的绘图工具windows forms(generate simple drawing tools)

分析计算大规模数据的线性度的一个小程序，可绘图，m文件(Linearity analysis and calculation of data, can be a drawing, m file)

强大的开源画图控件Zedgragh，包含控件源码，Demo示例代码和帮助文档，分为Winform版和WebForm版。(Powerful open source drawing controls Zedgragh, including source control, Demo sample code and help document is divided into Winform version and WebForm version.)

AE实现加载CAD格式的数据，以及对其进行转换格式，转换为SHP等格式，还有对其进行编辑等操作(AE spatial data editing functions, including generating points, generating lines, as well as delete, move elements such as fried operation)

对给定的离散点，先拟合成B样条曲线，再求B样条曲线曲率(The program can help you to get the curvature of the B-spline curve from discrete points.)

用Bresenham画圆算法绘制椭圆(with Bresenham algorithm mapping Circle Oval)

代码是关于Peano-Hilbert曲线算法，属于图形学范畴(Code is on the Peano-Hilbert curve algorithm, belongs to the category Graphics)