transformation

matlab中CORDIC算法用来开方，在0~2之间精度很高(matlab CORDIC algorithm is used in prescribing between 0-2 high precision)

利用小波分析对污染信号消噪以恢复原始信号(Using wavelet analysis of contamination signal to recover the original signal de-noising)

说明：  利用MATLAB编写的GUI，可实现串口的通讯和实时画图，有意义(The use of MATLAB written GUI, enables serial communication and real-time drawing meaningful)

自适应中值滤图像去噪，用于去除各种噪声比下的污染图像的椒盐噪声(Adaptive Median filter image denoising)

激光雷达点云las 读取程序 可以用来读取las文件(The reading program)

可以做出一个漂亮的三维心形，赶快快来试试吧(Can make a beautiful three-dimensional heart-shaped, come try it)

matalb_各种命令集合（matlab使用中的各种命令的汇集，可以方便查找）(Matalb_ various command set)

用matlab编程实现数字传输码型的仿真，包括单双极性归零，不归零，HDB3等(Digital transmission code simulation using matlab programming, including single and double polarity zero, not zero, HDB3, etc.)

应用PCA进行特征提取和降维，可以应用于数据挖掘，机器学习，人脸识别上！(Application of PCA for feature extraction and dimensionality reduction can be applied to data mining, machine learning, face recognition on!)

说明：  图像置乱中的仿射变换，优点是加密和解密的不需要周期迭代，图像置乱效果好(it is good for image scrambling becaus of low compute complexity)