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这个资料主要介绍，simulink中s-function的编程的一些规则(The data are introduced, simulink in the s-function of a number of programming rules)

median filter details

对二维图像利用莫尔条纹（云纹）进行加密，解密(The use of moire of two-dimensional image encryption, decryption)

ahp的matlab程序，输入矩阵即可使用(ahp matlab program, you can use the input matrix)

高精度算法中的理查德森（richardson）外推法。。(Richardson (Richardson) extrapolation in high accuracy algorithm)

its the code for face detectiona and regeneration

说明：  QPSK的Matlab实现 使用伪随机序列，低通滤波，可看图(QPSK Matlab using the pseudo-random sequence, low-pass filtering, flashcards)

画图工具实现windows GDJ 图像绘制 子窗口控制项的使用.(Easy paint)

Generation of code sequences and related utilities

已知采样频率80000，通带衰减0.5阻带衰减45 通带截止频率4000，阻带截止频率20000，用双线性变换法设计数字低通滤波器 (Known sampling frequency 80000, attenuation in the passband stop-band attenuation 45 0.5 Passband cutoff frequency of 4000, 20,000 stopband cutoff frequency, using bilinear transform design digital low-pass filter)