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求一元二次方程ax2 +bx+c=0的根(Find a quadratic equation ax2+ bx+ c = 0 root)

通过基本的自相关函数法求解音频信号基音周期(Autocorrelation function for solving Pitch)

利用matlab m文件，实现了接收机ROC性能曲线的绘制(Use matlab m files, to achieve the performance of ROC curves plotted receiver)

说明：  非常好的数字处理教程，可以从中学到如利用matlab产生各种音频(Very good tutorial digital processing, can learn, such as the use of matlab have a variety of audio)

this code is solution of optimal control

两轮平衡小车的MATLAB系统建模源程序(Two balanced car MATLAB source system modeling)

相关分析过程的matlab方法，部分实现了追踪测速迭代松弛算法，一些自适应信号处理的算法，搭建OFDM通信系统的框架，用MATLAB实现动态聚类或迭代自组织数据分析，合成孔径雷达（SAR)目标成像仿真，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法。( Correlation analysis process matlab method, Partially achieved tracking speed iterative relaxation algorithm, Some adaptive signal processing algorithms, Build a framework OFDM communication system, Using MATLAB dynamic clustering or iterative self-organizing data analysis, Synthetic Aperture Radar (SAR) imaging simulation target, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm.)

说明：  此matlab代码利用求解线性方程组的方法，实现了高斯二维曲面拟合（附数学原理PDF文档）(This matlab code use the method of solving linear equations to achieve gaussian two-dimensional surface fitting)

包括直流电机，异步电机，同步电机的各种运行状态的仿真。(Including the DC motor, asynchronous motor, synchronous motor simulation of various operating states.)

数值模拟Wiener Process的一个简单的程序，上传给大家分享(Numerical simulation of Wiener Process)