SIM800L_硬件设计手册_V1.1

用快速傅立叶变换FFT实现信号的谱分析，包括FFT程序，谱分析程序和绘图程序-using Fast Fourier Transform FFT spectrum analysis of the signals, including FFT procedures, spectral analysis procedures and drawing program

raw-os实例之——时间片轮转,代码带有注释，适合新手使用学习。(Raw OS instance - time slice rotation, code with comments, suitable for novice use learning.)

用OpenGl实现自己姓名的三维图像,像行星围绕太阳转一样围绕一个轨道旋转-OpenGl realize their own name with three-dimensional image

说明：  很好的翻译软件，可以极其方便翻译外文文献并合成中文，方便选取(Good translation software, which is very convenient to translate foreign documents and synthesize Chinese, and easy to select)

用蒙特卡洛算法计算圆周率，以及相应的vs工程文件。(calcuate PI by monte carlo)

Scalper Free Expire

保留变量的MKPCA降维方法，实现在工业上进行降维(The MKPCA dimension reduction method for retaining variables)

串口发送数据的matlab的GUI程序，读取一个需要发送的TXT文件，通过串口发送出去。(using serial port to send data based on matlab GUI .Reading a TXT file to send out through the serial port .)

通过地球上的两个点的经纬度计算两点之间的距离(longitude,latitude to distance)

Chat Client using TCP Socket in C#.NET