wnndemo

改进后的高斯信号发生函数，可用于字符运算。(Improved Gaussian signal, can be used for computing characters.)

LDPC仿真的一些列子，自己编写的，可能有一定错误，需要修改(Some Lie LDPC simulation, their preparation, may have some errors, you need to modify)

介绍了通信系统中幅度调制的基本例子，将信息加载到幅度参量中。(The basic example of amplitude modulation communication system, the information will be loaded into the magnitude of the parameters.)

用Matlab中的下列函数对输入图像按实验内容进行运算；感受各种不同的图像处理方法对最终图像效果的影响。 imfilter；fspecial；imadjust；imadd；immultiply (With the following Matlab function of the input image by computing the experimental content experience a variety of image processing methods on the impact of the final image. imfilter fspecial imadjust imadd immultiply)

说明：  声音频率的转换声音频率的转换声音频率的转换(Sound frequency conversion)

RLS predictive 1d matlab code

Program to plot x(t) =1/2+∑_(n=1)^∞▒ (sinc⁡ 〖n/2〗 〖 cos 〗⁡ 〖2πnt/4〗 ) Include n-value (Number of Terms) in graph on plot. Show 2 graphs, original and simulated together.

领域：数字信号处理。使用MATLAB实现频率采样型滤波器。含一阶与二阶谐振柜的实现、频率采样信号的恢复的MATLAB文件，都很有用。(Areas: digital signal processing. Use MATLAB to achieve frequency sampling filter. With first and second-order resonance cabinet realization, MATLAB file recovery frequency of the sampled signal, very useful.)

一个很好用的粒子群优化算法matlab源代码，用来解决单目标函数优化(A good use of particle swarm optimization algorithm matlab source code, used to solve single-objective function optimization)

使用matlab提供的bp网络工具实现手写数字识别。内涵大量测试用手写数字(Bp using matlab network tools available to achieve handwritten numeral recognition. Test a large number of handwritten digital content)