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说明：  经典书籍 剑桥大学大学出版社： 无线通信基础(Book Description: The past decade has seen many advances in physical layer wireless communication theory and their implementation in wireless systems. This textbook takes a unified view of the fundamentals of wireless communication and explains the web of concepts underpinning these advances at a level accessible to an audience with a basic background in probability and digital communication. Topics covered include MIMO (multi-input, multi-output) communication, space-time coding, opportunistic communication, OFDM and CDMA. The concepts are illustrated using many examples from real wireless systems such as GSM, IS-95 (CDMA), IS-856 (1 x EV-DO), Flash OFDM and UWB (ultra-wideband). Particular emphasis is placed on the interplay between concepts and their implementation in real systems. An abundant supply of exercises and figures reinforce the material in the text. This book is intended for use on graduate courses in electrical and computer engineering and will also be of great interes)

人工神经网络，分别对不同的步长，训练网络，绘出相应的权值分布图，对于训练好的网络，选择特定的输入向量，得到网络的输出结果(Artificial neural networks are different steps, training network, plotted corresponding weight distribution, for the trained network, a specific input vector to obtain the output network)

Finds the roots of a function using the Newton method with line search

EM算法，基于期望最大化原则进行密度估计(EM algorithm, based on the expectation maximization of the principle of density estimation)

通过调用anova1函数作单因素一元方差分析(Anova1 function by calling a dollar for single factor analysis of variance)

具有完全识别车牌的matlab源代码，执行效率高！(With full recognition of vehicle license plate matlab source code, high efficiency.)

Emd 数据分析包 可以绘制希尔布特边际谱 包络谱等(Emd data analysis package，It can draw envelope spectrum and Hilbert-Huang Spectrum ,etc)

用于提取小波特征的机械振动信号，很好地结合了特征提取和随机信号处理方法，附带数据，实测可用。(For extracting wavelet feature mechanical vibration signal, a good combination of feature extraction and stochastic signal processing method accompanying data, we found available.)

产生QPSK的简单程序，先产生0到3的随即数字，用这些数字产生相位，然后产生QPSK信号！(Get QPSK！)

matlab code of filter for image enhancement