four_channel_hologram

IRLS算法即迭代最小二乘算法，可用于压缩感知，自适应滤波。(IRLS iterative algorithm that is least square algorithm, and can be used in the compression perception, adaptive filter. )

系统容量与误块率的统计函数，适合在仿真平台中使用(system capacity and block error rate statistics function, suitable for the use of simulation platform)

this is for matlab function

这是一个超级方程,运用MATLAB进行解得,直接设置参数,即可得到方程解.(This is a super-equations, the use of MATLAB to solve for, directly set the parameters, equations can be obtained.)

这个一个进行频率检测的程序，简单实用，欢迎大家下载学习(The frequency of detection of an ongoing program, simple and practical, are welcome to download the study)

张德丰所著《MATLAB数字图像处理》一书的完整代码。(Zhang Defeng book " MATLAB image processing," a book of the complete code.)

基于离散余弦变换的数字水印提取嵌入技术应用(Based on the discrete cosine transform digital watermark embedding technology to extract)

fft的matlab编程实现，能够进行2的整数次幂的点数的fft运算，采用基2算法(fft in matlab programming, can be integral power of 2 points in the fft computation algorithm using radix-2)

小波变换，小波去噪，小波滤波新方法（软阈值）(Wavelet transform, wavelet denoising, wavelet filtering new methods (soft threshold))

通信实验中BPSK,QPSK,2FSK,16QAM调制解调仿真代码，实现调制解调和星座图的观察.(Communication experiments BPSK, QPSK, 2FSK, 16QAM modulation and demodulation simulation code that implements the modem and observation constellation.)