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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.)

This is a clock circuit which is my homework. It made in Eagle CAD program.

cad图像纠正cad图像纠正cad图像纠正cad图像纠正(wad sdfdfgdfgfh sgd g gs gsdg sdf sf )

直流直流变换器仿真，基于pscad的仿真,给初学者使用(DC-DC converter simulation, based on Simulation of pscad, for beginners)

用于自NOAA下载的风场数据（.nc）绘图成相关图件(For drawing the wind data of NOAA. (nc) files)

lighting simulation in pscad

根据图框块自动识别图纸并预览打印。函数参数分别为：打印机名称，打印样式，打印纸张，打印份数，自动纸张，自动旋转，自动关闭，自动识别图框(Autoprint according to the drawing blocks.)

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.)

MATLAB仿真模拟了LG光束的光强及相位的3维图与2维图(MATLAB simulation of LG beam intensity and phase of the 3-dimensional diagram and 2-dimensional diagram)

C# 两条曲线 实时显示 zedgraph(C# two curves displayed in real time)