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有关多采样率转换问题，本文介绍了多采样率转换的MATLAB实现以及基础理论。(Multi-sample-rate conversion on the issue, this paper introduce a number of sample-rate conversion of MATLAB as well as realize the basis of the theory.)

code for coocurrence matrix

说明：  ofdm降低分均比的仿真，不吝指教，可能程序有疏漏之处，见谅

复杂网络拓扑特征统计的编程代码,可以计算复杂网络中各种特征值(Statistical programming code for complex network topology)

说明：  计算9格均匀电流面元阵方向图的matlab程序 (uniform grid computing nine current surface RUF direction of the plan Matlab procedures)

DCT变换：变换域系数选取采用阈值编码，：阈值越小，图像恢复效果越好，但压缩效果差，一般取在5-10 即可很好的获得恢复图像信息。(DCT transform: transform domain coefficients selected using the threshold coding: the smaller the threshold value, the better the image restoration, but the compression is poor, and generally in the 5-10 to get a good recovery image information.)

说明：  拉普拉斯特征映射算法，运用MATLAB编写完成。(Laplace feature mapping algorithm, using MATLAB prepared.)

this file contains simulink model of 14 IEEE bus sytem for power transmission

K-S，即kolmogorov检验法，亦称拟合优度检验法。用来检验给定的一组数据是否来自分布F=F0，原理是若H0成立，则max|v/n-F0(qj)|应该很小，用手算几乎在绝大多数情况下是不可能的，通常借助统计软件，如SAS，S+等(K-S, namely Kolmogorov test, also known as goodness of fit test. It is used to test whether a given set of data comes from the distribution F=F0, and the principle is that if the H0 is set up, the max|v/n-F0 (QJ) should be very small, and the hand calculation is almost impossible in most cases, usually with the aid of statistical software, such as SAS, S+, etc.)

Alamouti code for qpsk made easy