matl

说明：  fm的调制与解调程序，适合初涉软件无线电者参考和学习(fm modulation and demodulation process, suitable for software radio初涉reference and learning)

ART1算法,此算法还存在缺陷,有此产生art2 (ART1 algorithm, the algorithm also flawed, produce art2)

Hill cipher encryption and decryption matlab code

pattern recoginition system

说明：  胡氏不变矩，matlab程序，稳定运行，能区分两张图片的不同(Hu invariant moments, matlab program, stable operation, can distinguish between two different images)

使用matlab画圆，对图傅里叶变化，零频移中，反变换实验(test fft and ifft)

灰度共生矩阵的产生，一个程序能够将一个矩阵让其生成对应的灰度共生矩阵(Gray level co-occurrence matrix, a program can be a matrix to generate the corresponding gray level co-occurrence matrix)

SPIHT-set partitioning in hierarchical tree algorithm. it is also used for compression. here list of insignificant pixels, list of significant pixels, list of significant sets

fusion svm_knn the output of svm will be the input of knn classifier

信息通过整个通信链路，BPSK调制，信道编码采用奇偶校验码。(Information through the communication link, BPSK modulation, channel coding USES the parity check code.)