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以227家公司的数据为基础进行kmeans clustering分组，用以预测50家未知公司的效益(Use 227 the companies data as the basis for kmeans clustering to predict the effectiveness of the 50 unknown companies)

数字控制系统是一种以数字计算机为控制器去控制具有连续工作状态的被控对象的闭环控制系统。因此，数字控制系统包括工作于离散状态下的数字计算机和工作于连续状态下的被控对象两大部分。我的课题的数字部分（PID）仿真由相应的离散传函实现，运用数字PID对被控对象实行准确控制。通过调节比例（P）、积分（I）、微分（D），使对象的输出达到预期的效果。(Digital control system is a kind of digital computer for the controller to control a continuous state of the object and closed loop control system. Therefore, the digital control system, including work on the discrete state of the digital computer and work in a continuous state of the plant is two parts. My topic of digital section (PID) simulation by the realization of the corresponding discrete transfer function using the digital PID control of the plant is implemented accurately. By adjusting the ratio of (P), integral (I), differential (D), so that the output of the object to achieve the desired results.)

experiments of lab 2 in digital signal processing

Astar算法MATLAB实现。最短路径检索。(Astar algorithm MATLAB. The shortest route search.)

an introduction to butterworht filter

电力系统的MATLAB仿真教程，很适合电力系统的仿真分析。(MATLAB power system simulation tutorial is suitable for power system simulation.)

very good state estimation book

三电平空间矢量仿真，采用M函数和模块混合编写，方便向DSP移植(Three-level space vector simulation, using M functions and modules prepared by mixing to facilitate migration to the DSP)

说明：  PLL Phase Noise MATLAB simulation

viterbi trellis generator