data-mining--concept-atechnique

利用matlab计算电压与电流相位差，定A相电压相位为0.(Matlab calculated using voltage and current phase, phase-phase voltage set A to 0.)

构建自己的subplot函数，比matlab好用多了，自由控制(Build your own subplot function, easy to use more than matlab, free control)

实时语音降噪的资料包，自己正在研究设计一个语音处理软件，等完成后传上来分享。(Real-time voice and noise reduction package, he is studying the design of a voice processing software to pass up and so finished sharing.)

Example of wavelet function Mexican hat, haar,

带光伏阵列的最大功率跟踪（MPPT）控制仿真模型(Maximum Power Tracking (MPPT) Control Simulation Model with Photovoltaic Array)

用反步法设计状态反馈控制器，使系统的原点全局稳定。(Backstepping design with state feedback controller, global stability of the origin of the system.)

奇异吸引子，混沌吸引子，复杂系统理论，画法代码。(Strange attractor, chaotic attractor, complex systems theory, painting code.)

本文介绍了一种基于双耳时间差的短信声源定位方法。(This paper describes an approach based on interaural time difference SMS sound source localization method.)

navigation.rar包含5个有用的导航程序； navigation.m为纯惯导解算程序； integrated_navigation为组合导航程序； KalmanAlign10.m为卡尔曼滤波对准程序； create_data.m为原始数据创建程序； ssm.m为结果显示程序(navigation.rar contains five useful navigation program navigation.m pure INS solver KalmanAlign10.m for the Kalman filter alignment procedures create_data.m create a program for the original data integrated_navigation for integrated navigation procedures ssm. m is the result display program)

3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真，并与理想信道(没有多径)作比较。 需要的支撑子程序为qpsk_berest.m,vxcorr.m,random_binary.m.(Three fixed-path multipath AWGN channel QPSK system BER performance simulation, and with the ideal channel (no multipath) for comparison. Need the support of subprogram for qpsk_berest.m, vxcorr.m, random_binary.m.)