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function Px=overlay(N,omega,A,sigma,num) OVERLAY Forms multiple power spectral density estimates. ------- USAGE Px=overlay(N,omega,A,sigma,num) Calculates the periodogram using an ensemble of realizations of a process consisting of a sum of complex exponential in white noise. N : length of the signal omega : vector containing the sinusoid frequencies A : vector containing the sinusoid frequencies sigma : the variance of the white noise num : size of the ensemble (number of periodograms)

用MATLAB写的，关于数据挖掘的很多算法，如PCA,K-MEANS等，最重要的他是图形化界面(Written using MATLAB on a lot of data mining algorithms, such as PCA, K-MEANS, etc., the most important he is a graphical interface)

说明：  若锗中含有一定数量的杂质元素Sb，试根据要求分析杂质浓度与电离度以及电离温度之间的关系： （1）当Sb浓度分别为 和 时，计算杂质99％，90％和50％电离时的温度各为多少？ （2）根据一定杂质类型和杂质浓度，画出电离度和温度的关系图线，并确定半导体处于强电离区（电离度>90％）的温度范围。 设计要求：（1）具有友好输入输出界面； （2）调整输入数据，得出相应结果，并进行分析。 (If the germanium containing a certain number of impurity elements Sb, test analysis in accordance with the requirements of impurity concentration and ionization degree, as well as the relationship between the ionization temperature: (1) When the Sb concentration and time were calculated 99 percent of impurities, 90 and 50 ionization When the temperature of each number? (2) according to certain types of impurities and impurity concentration, ionization degree and temperature to draw the relationship between the graph lines, and to determine the semiconductor in a strong ionization zone (ionization degree)

基于肤色简单人脸检测程序，利用肤色在YCBCR空间较好的聚类分布效果。GUI界面(Based on the the complexion simple face detection program, the use of color in a better clustering of the YCBCR space distribution effects.)

说明：  用Newton迭代法求解方程的根，用matlab实现(Newton iterative method for solving equations with roots, using matlab implementation)

matlab codes for linear algebra

整个SVM工具包 全部软件及调用的dll问价，内附说明用法(SVM toolｂｏｘ )

该程序用于求解一般汽车动力总成悬置系统的解耦率(The procedure for solving general automotive powertrain mounting system decoupling rate)

数字信号处理中，希尔伯特变换器优化设计研究学习(Digital signal processing, the Hilbert converter optimized design of the study)

The OneMax Problem [SE91] (or BitCounting) is a simple problem consisting in maximizing the number of ones of a bitstring.