knn-dwt

VC维理论和结构风险最小化准则是统计学习理论中的重要内容,基于这一理论的支持向量机算法由于具有好的泛化性能受到重视,并被研究用于文本分类问题.基于多项式核的研究工作认为SVM的泛化能力不受多项式阶数的影响,并且能够处理很高维的分类问题,用于文本分类无需进行特征选择.研究发现,随着多项式核阶数的升高,SVM文本分类器会出现过学习现象,并且特征数越多越明显,特征选择是必需的.通过估计函数集的VC维,基于结构风险最小化理论对此问题进行分析,得出的结论跟实验结果相符. (err)

对实带通和复基带的MQAM的信噪比进行仿真，绘制信噪比曲线、眼图和星座图，在MATLABR2009b上可正常运行(real bandpass and complex baseband simulation of signal to noise ratio of MQAM, including signal to noise ratio curve drawing, eye diagrams and constellation diagrams, can be run in MATLABR2009b)

DCT基广泛应用于图像去噪，信号分离。BP与OMP算法作为贪婪算法的代表用于信号恢复。(DCT is widely used in image denoising, signal separation. As a representative of the greedy algorithm of BP and OMP algorithm for signal recovery. )

陀螺加表数据发生器，可以自动生成足够数量的数据。(Gyro Add table data generator can automatically generate a sufficient number of data.)

Matlab7.0，英文版的，讲的都是基础，适合初学者入门，很不错的资料。(Matlab7.0, the English version of, say are the basis of entry for beginners, very good information.)

介绍华三公司路由器交换机模拟软件，做实验非常好的工具(Introduction H3C switch router simulation software company)

有源自适应噪声的最常用算法，该算法是基于滤波器的输出信号与期望响应之间的误差的均方值为最小。(Active adaptive noise most commonly used algorithm, which is based on the error between the filter output signal and the desired response minimum mean-square value.)

This function obtains a unitary matrix Q such that: d=diag(Q *diag(lmd)*Q). In other words, it gives a way to generate a matrix with given eigenvalues and diagonal elements. By Daniel Perez Palomar (last revision: May 10, 2004). Feel free to distribute this file as it is (without including any modifications).(This function obtains a unitary matrix Q such that: d=diag(Q*diag(lmd)*Q). In other words, it gives a way to generate a matrix with given eigenvalues and diagonal elements. By Daniel Perez Palomar (last revision: May 10, 2004). Feel free to distribute this file as it is (without including any modifications).)

有关OFDM的一些算法程序，详细说明了OFDM调制技术的实现方法(For a number of OFDM algorithm program details the implementation of OFDM modulation method)

利用有限差分算法实现动力学方程的求解单个球体在环形容器中运动分析(Finite difference algorithm for solving the dynamic equations in a single sphere in the circular movement of the container)