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serial port communication

说明：  脑电地形图matlab代码，包括电极位置文件和使用说明，麻雀虽小五脏俱全，下载后可直接使用(BEAM matlab code, including electrode position files and instructions for use, small but perfectly formed, the download can be used directly)

图像滤波与傅里叶变化的matlaba源码(带注释)(Image filtering and Fourier transform of matlaba source code (with comments))

应用lqr方法实现四旋翼姿态角控制，内附matlab代码(Matlab implementation of helicopter LQR control)

abs的pid控制，自己编的，没有优化。可以运行！(abs of pid control, their series, not optimized.you can run it!)

《数字图像识别技术典型案例》第三章基于matlab的指纹识别系统("Digital Image Recognition Technology typical cases" based on the third chapter of Matlab Fingerprint Identification System)

demonstration of viterbi decoding using trace-back

this file can be used to calculate the entropy of english language.

利用小波算法进行图像和视频处理，将原始小波块放在新小波块的左上角，在小波块右下角补零。(Using wavelet algorithm for image and video processing, the original wavelet wavelet block block on the new upper left corner of the block in the lower right corner of the wavelet zeros.)

A calculation of least square method