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在matlab平台下的viterbi编码译码的程序。secrettext.txt是需要传输的文件，encodetext.txt是编码后的文件，decodetext.txt是译码后的文件。(In the matlab platform of the viterbi decoding encoding process. secrettext.txt need to transfer files, encodetext.txt is encoded file, decodetext.txt is after decoding files.)

It is about an communication lab experiment of modulated signals

一些自适应信号处理的算法，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块，GSM中GMSK调制信号的产生。( Some adaptive signal processing algorithms, ofdm system simulation including 16qam modulation fft windowing modules plus cp, GSM is GMSK modulation signal generation.)

说明：  实现了Intelligent Reflecting Surface Enhanced Wireless Network_Joint Active and Passive Beamforming Design文章里的分布式算法。(The distributed algorithm in Intelligent Reflecting Surface Enhanced Wireless Network_Joint Active and Passive Beamforming Design is implemented.)

2 stage decimator matlab code

脉冲压缩，能进行雷达脉冲压缩原理的仿真，属于雷达系列的基本原理(Pulse compression, can be simulated radar pulse compression principle, belong to the basic principles of radar range)

读入ORL人脸库的指定数目的人脸前前五张(训练) 输入：nFacesPerPerson --- 每个人需要读入的样本数，默认值为 5 nPerson --- 需要读入的人数，默认为全部 40 个人 bTest --- bool型的参数。默认为0，表示读入训练样本（前5张）；如果为1，表示读入测试样本（后5张）(Read into the ORL face database face before the specified number of five sheets (Training) Input: nFacesPerPerson--- everyone needs to read the sample size, the default value is 5 nPerson--- the number of people need to read , the default for all 40 individual bTest--- bool type parameters. The default is 0, read the training samples (top 5) If 1, read that the test samples (after 5))

garch-copula-VaR模型用于计算投资组合风险(garch-copula-VaR model is used to calculate portfolio risk)

用于数学建模，评价类模型，层次分析法的代码(For mathematical modeling, evaluation class model, AHP code)

认知无线电，能量检测程序，检测概率和虚警概率的对比pd VS pf (Cognitive radio, energy test procedures, detection probability and the false alarm probability contrast pd VS pf )