用matlab编的神经网络程序

改进的背景差分法，结合了背景差分法和帧间差分法的优点，能更好的进行视频处理。(Improved background subtraction method, combining the advantages of the background difference and frame difference method, and better video processing.)

MATLAB工程计算及应用电子书，望大家共同切磋共同进步！(MATLAB engineering calculation and application of e-books, learn the common look of common progress!)

通过MATLAB仿真来讨论比较二元霍夫曼编码、三元霍夫曼编码以及信源扩展编码的效率，来实现霍夫曼码的优化构造(By MATLAB simulation to compare two yuan Huffman discussed, ternary Huffman coding and source coding efficiency extended to achieve optimization of Hoffman Construction Code)

回归分析---一种简便的数据分析预测算法，可用于预测模型(Regression analysis--- a simple data analysis prediction algorithm prediction model can be used to)

读取csv文件 可以实现与matlab交互用，或与其他文件交互，程序较小但可用(read vsc files Interacting with Matlab can be achieved using the Read CSV file, or interact with other documents, the program small but can be used)

说明：  bp网的程序，设计一个神经网络字符分类器对英文字母进行分类。输入向量含有16个分量，输出向量分别用设置的T向量，还不完善，有待改进(bp network program, character design a neural network classifier to classify the English alphabet. Input vector contains 16 components, respectively T vector output vector set, not perfect, needs improvement)

说明：  稀疏傅立叶算法，matlab实现仿真，并对SFFT和FFT算法对同一数据的处理时间进行了对比。(Sparse Fourier algorithm, matlab to achieve the simulation, and the SFFT and FFT algorithm for the same data processing time were compared.)

to get the theoretical and simulation plots for 4 16 64 QAM plots for AWGN channel

主要介绍了一些Matlab的各种命令，有利于初学者对Matlab的学习。(introduced the orders of Matlab.)

学习多孔介质的好算法。可以放心参考运用,可以运行的(Porous media is a good learning algorithms. You can rest assured reference use, you can run)