4-ary-LDPC

使用c语言，是随机信号分析教科书的实验程序合集，是正确的。(Using the c language, is a random signal analysis of the experimental procedure textbook collection, is correct.)

我的毕业设计程序，感觉很好，希望和大家分享。(I graduated from the design process, I feel very good, would like to share.)

详细具体地记录了在matlab平台中fir滤波器的设计过程(Detailed record of the matlab platform fir filter design process)

使用simulink对采集的数据进行处理所需要的设置。(Using simulink processing the collected data set required.)

matlab code for EM algorithm for Gaussian mixture model

适用于初学者学习matlab语言熟悉matlab开发环境，学习基本操作命令(Suitable for beginners to learn the matlab language familiar matlab development environment, to learn the basic operation command)

模仿人眼的视觉注意机制，以图像中的稀少点和对比度为特征，求出视觉注意点。(Mimic the human eye visual attention mechanism to image point and a contrast ratio of rare characteristics, find the point of visual attention.)

2D-DCT 压缩图像后，通过QPSK,AWGN信道编码传输后，IDCT解压缩回原始图像，适用于任何图像(Using DCT to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. And from the binary array, I use IDCT to reconstructe the orignial image. working perfectly.)

matlab 实现数据的短时傅里叶变换 自己测试通过(short time Fourier transform matlab achieve data test by)

matlab计算两幅图片之间的psnr和ssim值，彩色图片，算法是转换为YUV计算的，YCbCr(matlab computing psnr and ssim value between two pictures, color pictures, the algorithm is converted to YUV calculation, YCbCr)