Grey-system-procedures

信息隐藏的函数，matlab 编写，简单方便(A function of information hiding, matlab prepared, simple and convenient)

说明：  对于给定的滤波器参数，利用脉冲响应不变性法设计数字低通滤波器，并绘出了设计后的数字滤波器的特性曲线。(This code uses impulse invariant method to design a digital low-pass filter under given filter parameters,then it plots the designed filter s characteristic curve.)

this mccdma program this help to calculate bit error rate in multi carrier cdma system

说明：  RAKE接收机，实现代码为MATLAB。已经验证过。(RAKE receiver to achieve code for MATLAB. Has been verified.)

wiener filter for enhancement audio file

基于二阶导数的图像边缘检测方法，包括marr算法和laplacian算法(Second derivative-based edge detection methods, including marr algorithms and laplacian algorithm )

说明：  使用先进的人工鱼群算法求解线性约束规划，此代码为原创，带注释，易读。(The use of advanced artificial fish school algorithm for solving linear constrained programming, the code for the original, with annotations, easy to read.)

说明：  基于matlab的各种模拟信号的产生，如阶跃信号，正弦函数，三角函数等(based on the Matlab the analog signal generated, as a step signal sine function, trigonometry, etc.)

lms算法的matlab实现程序，比较经典，非常适合作为初学者的学习参考(lms algorithm matlab implementation process, more classic, ideal for beginners to learn as a reference)

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