trackini

该程序完成的是通过使用所提供的链码（一种方向码）来画出链码所表示的轮廓。所画轮廓在原图上是黑色的线。(the code is used for draw the outline of the region of interest which is show by the chaincode)

说明：  详细地介绍了matlab的入门使用方法，分15章(Detailed description of the matlab entry to use, sub-chapter 15)

频率域扫描建模，可以匹配传递函数，很实用的仿真。(Scanning frequency domain model, can match the transfer function, it is useful simulation.)

语音信号的时域分析，有短时能量，短时平均幅度，短时过零率，清音自相关序列，浊音自相关序列，傅里叶分析。(Speech signal time-domain analysis, short-time energy, short-term average, short-term zero-crossing rate, voiceless autocorrelation sequence, voiced autocorrelation sequence, Fourier analysis.)

说明：  永磁同步电机无速度传感器滑模控制论文，基于改进卡尔曼滤波的无速度传感器探究_张海刚(Speed Sensorless Sliding Mode Control of Permanent Magnet Synchronous Motor)

相位编码脉冲压缩雷达的多普勒补偿算法，实现对信号的补充(Phase-coded pulse compression radar Doppler compensation algorithm, the realization of the signal added)

简单的模糊控制实例，已知传递函数，设计模糊控制器(Simple fuzzy control instance, the transfer function is known, the fuzzy controller design)

Practical Experiment for Discharging a capacitor in MAtlab

气象学中利用butter-worth滤波，并且计算标准差(butter-worth filter and calculate the standard deviation)

说明：  一个PH值的pid仿真算法，加入扰动，以及优化的控制算法(A PID simulation algorithm of pH value, adding disturbance and optimizing control algorithm)