cskmean

PCA(Principal Component Analysis)预处理和最近邻分类程序(the code of Principal Component Analysis)

把当前图形窗中已存在的任何字对象拖放到所需的位置；向当前图形窗输入字对象，并拖放到任何所需位置。 (align current graphics window which has been in existence for the drag and drop any object to the word for the position; current graphics to the window object input characters, and drag-and-drop to any required position.)

利用matlab來做快速傅立葉轉換,並解釋訊號處理的應用(Using matlab to do the fast Fourier transform and interpretation of signal processing applications)

说明：  Viterbi编码器和译码器的MATLAB实现，适合各种编码方式，包括213，217，219等，是一种通用的程序(Viterbi encoder and decoder in MATLAB to achieve, for a variety of encoding, including the 213,217,219, etc., is a common procedure)

为了对数据进行准确的预测，建立了双隐层BP神经网络，并提供了源数据，实现了准确的数据预测。程序能够执行，误差较小，输出接近真实值。(To accurately forecast the data, we build the two-hidden layer BP neural network and provide the original data, which will forecast the data. The program can be executed with small error which will be close to the real data.)

对该题目的这篇论文进行了仿真，内容为对比MASSIVE MIMO和Small cell两种模式，比较了载波能量。(The topic of this paper simulation, content and Small cell contrast MASSIVE MIMO modes, compared carrier energy.)

各种信噪比估计算法，包括ls，lms，qam，噪声统计等(A variety of SNR estimation algorithms, including ls, lms, qam, noise statistics, etc.)

pb通用过滤排序,解压后可在pb中查看源码(powerbuilder sort or filter)

这个文件中是计算方法中牛顿迭代法的具体说明及计算计算举例。(This file is in the Newton iteration method for specific instructions and calculation Examples of calculation.)

查找ldpc校验矩阵中的6环，并将其记录到txt文件中(Find ldpc check matrix of the six rings, and its records to a txt file)