周期信号的频谱分析

code modification new algorism moving average work in deed

CFD simulation of velocity in y-direction

采用轨迹跟踪的方法来求解最大李雅普诺夫指数(Trajectory tracking method is adopted to solve the maximum lyapunov index)

进行潮汐调和分析，计算各分潮的调和常数，判断该站点的潮汐类型，并预报未来潮高。(Through tidal harmonic analysis, the harmonic constants of each constituent tide are calculated, the tidal types of the station are judged, and the future tidal heights are forecasted. Conducting tidal harmonic analysis)

PID control dc motor

线性系统作业，系统辨识，运用极点配置，LQR，H∞设计状态反馈控制器(Linear system operation, system identification, using pole placement, LQR, H ∞ state feedback controller design)

利用蒙特卡罗法计算积分，感觉很有用，大家试试！(Using Monte Carlo method to calculate points, feel useful, we try!)

Chaotic Logistic (quadratic) map

arnold cat 映射实验，观察其迭代次数与置乱效果的关系，这是图像加密的典型算法(arnold cat mapping experiments to observe the number of iterations and the scrambling effect relationship, which is a typical image encryption algorithm)

matlab图像肤色分割程序。可以实现从一幅图中分割出人的肤色。(matlab image skin color segmentation. It can be divided people of color from a picture.)