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关于主成分分析的文章，本人所作，有一定参考价值的(on principal component analysis of the article, I made a reference to a certain value)

有限自动机的确定化及化简 1、更正了 DFA_simplify2 中的错误 2、增加新旧状态对照表 ds_temp --NFA转DFA -- 输入字符 -- 要求 id 必须从 1 开始连续递增(Finite Automata and the identification of a simplification, correction of the errors DFA_simplify2 2, increase the old and new state CRT ds_temp-- NFA to DFA-- input characters-- must request id Start an incremental)

　介绍了暖通空调系统(HVAC) 故障检测与诊断(FDD) 的概念,发生故障的原因以及主要的故障检测与诊断方 法,比较了常用的故障检测与诊断方法的优缺点,分析了国内、外暖通空调故障检测与诊断的研究现状和应用情况,对暖 通空调故障检测与诊断的发展过程与方向进行了总结和展望(Introduction of the HVAC system (HVAC) fault detection and diagnosis (FDD) concept, the reasons for failure as well as major fault detection and diagnosis methods, compared the commonly used method of fault detection and diagnosis of the strengths and weaknesses, analyzes the domestic and foreign HVAC Fault Detection and Diagnosis Research and application of HVAC Fault Detection and Diagnosis with the direction of the development process are summarized and prospects)

it is MRC technique uesed in lte MIMO lte

BPSK信号功率谱密度的MATLAB编程代码，运行得到波形。(BPSK signal power spectral density of the MATLAB programming code that runs waveform.)

svm demo的实现 实现SVM训练测试的全过程，对于初学者很实用，也能彻底了解SVM运行过程，知其然知其所以然，国外一权威网站上下载的，上传以供分享学习(svm demo of SVM training tests to achieve the realization of the entire process, a foreign authority Web site to download and upload for sharing learning)

计算复杂网络在随机性和目标性攻击下的网络脆弱性( U8BA1 u590D u7401 u7279 u7279 u7279 u7R0 )

关于无线通信用matlab中的simulink模块仿真的例子，很实用，特适合初学者(Example of the simulation of wireless communication matlab simulink module is very useful, especially for beginners)

10个阵元半波长间距的ULA,请画出其波束0度、-20度和45度的波束方向图，并计算其波束宽度(10 half-wavelength spacing array element ULA, please draw its beam 0 degrees, 20 degrees and 45 degree beam pattern, and calculate its beamwidth)

数字预失真的LS算法，利用LS算法提取预失真参数(LS digital pre-distortion algorithm, using LS algorithm extracts the predistortion parameters)