ch3_9

IIR滤波器的matlab实现，代码精简，实用。(IIR filter matlab realize, code streamlining and practical.)

a normal sinus rythm of heart simulink

基于matlab的模块化通信系统仿真设计，以及实验报告(this is a design of engineer system modulation based on matlab2012b)

数字通信信号的码元同步程序，在MATLAB环境下编写的，可用来提取数字通信信号的时钟信息(Symbol digital communication signal synchronization program written in MATLAB environment, can be used to extract the clock information on digital communication signals)

离散信号用MATLAB实现 典型的离散时间信号的MATLAB实现，离散时间序列的基本运算(Discrete signal using MATLAB to achieve a typical discrete-time signals in MATLAB realization of discrete-time sequence of basic operations)

自己编的matlab小程序，适合初学者一起探讨(own small addendum to the Matlab procedures for beginners to explore)

介绍了我们常用的预测方法神经网络算法的理论知识(Common prediction methods of theoretical knowledge of the neural network algorithm)

使用Matlab编程实现发送端信源编码（图像压缩）和接收端信源解码（图像重建），其中的编解码算法可采用基于DCT变换的JPEG图像压缩标准；测试图像加噪，然后对去噪后的图像进行压缩与重建，分析压缩性能；研究基于下采样和内插的图像压缩算法；可将8bit/pixel灰度图像扩展至24bit/pixel彩色图像，或者采用无损压缩算法对图像压缩。(Sender using the Matlab programming source coding (image compression) and the receiver source decoding (image reconstruction), one of the decoding algorithm can be used DCT-based JPEG image compression standard test image with noise, then the denoised image compression and reconstruction, compression performance analysis of down-sampling and interpolation based on image compression algorithm 8bit/pixel grayscale images can be extended to 24bit/pixel color images, or the use of lossless compression algorithms for image compression. )

digital image filter

置换熵，一种度量信号混乱程度的非线性指标，permutation entropy(Permutation entropy, a nonlinear signal indicators measure of disorder, permutation entropy)