Drawing-with-CSharp

Buck环路补偿Mathcad计算范例，十分经典！(Loop compensation for Buck converter)

说明：  主要通过matlab绘画柱状图、球面图、带状图、立体切片图、瀑布图、(Matlab histogram mainly through painting, spherical maps, strip maps, three-dimensional slice, waterfall,)

说明：  DDA、Bresenham、MidBresenham画直线算法(DDA,BresenhamLine,MidBresenhamLine)

自己利用ＰＳＣＡＤ搭建的滞环比较变换器，成功的仿真出正弦波形。(Their use of hysteresis built PSCAD converter, a successful simulation of the sine wave.)

可以对曲线进行平滑，尤其可以对光谱曲线进行平滑处理！(The curve can be smooth, especially the spectral curve can be smooth processing!)

HVDC经典模型，PSCAD搭建，可以自己修改参数(HVDC classic model, PSCAD build, you can modify the parameters yourself)

一个简单的程序，可以绘制点、线、圆、方。可以保存成一定格式的图片文件。软件最大的问题是绘图基本在对应的鼠标事件里进行，而没有在paint方法里进行，可借鉴。(A simple program, you can draw points, lines, circles, square. Can be saved into a certain format image files. The biggest problem is the graphics software basic mouse events in the corresponding conduct, but not in the paint method in the conduct, we may learn.)

说明：  显示图像的函数，非常有用的，哈哈，欢迎下载！(images showed a function of very useful, ha ha, welcome to download!)

信号频谱分析 1. 观测已知方波信号、正弦波信号的频谱 分析频率为4KHz、8KHz的占空比为50 的方波信号、正弦波信号的频谱。记录所得频谱图。 观测实时模拟信号（语音）的频谱 用音频设备采集一段语音，将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的，应把它分段分析，而且实际运用中的数字信号处理的FFT的点数是有限的，一般只能达到千点。用傅里叶反变换IFFT，从频域恢复信号。画出频谱图和语音波形图(Signal spectrum analysis 1. Observing a known square-wave signal, sine wave signal frequency spectrum analysis 4KHz, 8KHz for the 50 duty cycle square wave signal, sine wave signal frequency spectrum. The recorded frequency spectrum. Observing real-time analog signal (voice) of the spectrum collected with the audio devices section of voice, voice saved as. Wav format. Wav file of the sub-Fourier transform analysis to make. Speech is divided into syllables, it should be sub-analysis, and practical application of digital signal processing of the FFT points is limited, generally only reach 1000 points. Fourier inverse transform IFFT, to restore the signal from the frequency domain. Draw maps and voice waveform spectrum)

说明：  wrfout文件格式说明，可用grabs直接读取画图(Wrfout file format specification)