gda

基于matlab的球杆模型simulink(Simulink model based on the club matlab)

从台湾清华大学的一个讲义，说的是中医学的发展，运用现代技术的，对大家有很大的启发作用。(A handout from the National Tsing Hua University, said that the development of Chinese medicine, the use of modern technology, a great inspiration to all of us the role.)

说明：  该程序直接读取excel文件中信号，计算得到信号的自相关函数(The program reads excel files directly in the signal, the calculated autocorrelation function)

通过N个独立的正弦函数叠加来产生窄带噪声(Narrow Noise Generation from N sine function)

这是MATLAB的经典课件，每个PPT都详细的讲解了MATLAB的各方面内容，是优秀的入门教材(This is a classic courseware MATLAB, each PPT are detailed explanations of the various aspects of the MATLAB is an excellent introductory textbook)

机器学习中的垃圾邮件分类程序，用matlab做的。从以下链接下载垃圾邮件数据（spam data）：(数据已下载，放在spambase.zip) http://www-stat.stanford.edu/~tibs/ElemStatLearn/index.html 该数据包含57个邮件信息相关的变量，每条邮件可以被分类为垃圾邮件（Y=1）和非垃圾邮件（Y=0）。输出Y的值在文件中每一列的末尾。练习的目标是要预测电子邮件是否为垃圾邮件。 (Machine Learning spam classification procedures, using matlab to do. Data (spam data) from the following link to download the junk mail: (data has been downloaded, put spambase.zip) http://www-stat.stanford.edu/ ~ tibs/ElemStatLearn/index.html The data includes 57 e-mail messages related variables, each message can be classified as spam (Y = 1) and non-spam (Y = 0). Y value of the output end of each column in the file. The goal is to predict exercise email is spam.)

a document for learning a bout neral network

模式识别中有关特征提取的那部分（链码），还有灰度特征。(Feature extraction in pattern recognition, that part of the (chain code), and gray feature.)

人工神经网络是在现代神经科学的基础上提出和发展起来的，旨在反映人脑结构及功能的一种抽象数学模型。(Artificial neural network is an abstract mathematical model proposed and developed on the basis of modern neuroscience, aiming at reflecting the structure and function of human brain.)

本代码主要是仿真了阵列信号的music算法的基本性能。如估计精度随信噪比的变化和天线孔径的变化。(This code is mainly the array signal simulation algorithm for the basic properties of music. If the SNR estimation accuracy with the changes and changes in the antenna aperture.)