875

对Lena图像128*128，进行QF=50和QF=40的压缩，然后解压缩，并分别计算压缩图像的PSNR，给出图像压缩后的图像(Lena image of 128* 128,QF=50 and 40 compression, then uncompress, and calculate the PSNR compressed image, after image compression)

说明：  这是基于matlab下的数字信号处理示例，包括信号、系统和系统响应的实现等(These are some digtal signal processing examples based on the matlab. And these include filter ,matrax algthrom,and so on......)

空间滤波，matlab编程，介绍了低通滤波器，带通滤波器和高通滤波器。(Spatial filtering, Matlab programming, low-pass filter, band-pass filter and high pass filter.)

空间谱估计用的MUSIC算法简单程序，用于测试论文(DOA MUSIC)

Channel estimation LS MMSE

自学matlab的好书，适应于初学者，大家好好学习哦，加油(Learning matlab' s books, adapted to beginners, we learn oh, come on)

svd feature extraction

CDMA功率控制（matlab模型），无线3G的基本模块(CDMA Power Control (matlab model), the basic module of wireless 3G)

libc 详细说明了C库里代码的实现过程，里边有详细的注释(detailed description of the C library libc code implementation process, detailed notes inside)

说明：  使用matlab实现手写阿拉伯数字的识别。(Using matlab to achieve the recognition of handwritten Arabic numerals.)