中文说明：借鉴了主成分分析算法（PCA），利用matlab GUI实现的串口编程例子，ldpc码的编解码实现，基于小波变换的数字水印算法matlab代码，Pisarenko谐波分解算法,cordic算法的matlab仿真。
English Description：
From the principal component analysis (PCA) algorithm, using Matlab GUI to realize the serial programming examples, the realization of LDPC coding and decoding, based on wavelet transform digital watermarking algorithm matlab code, Pisarenko harmonic decomposition algorithm, CORDIC algorithm matlab simulation.