Ab_Crwd_Dtcn

读取卫星云图，并计算卷云边的长度曲率等matlab实现(Read cirrus satellite image and calculate the length of curvature, such as edge)

The code demonstrate morphing that is basically source image warping followed by cross dissolving.

带通滤波，低通滤波，数据过滤及谱分析算法及用到滚动轴承故障数据(Band-pass filter, low-pass filtering, data filtering and spectral analysis algorithms and data used in Roller Bearing Fault)

说明：  上一届传下来的粒子群算法，需要进行优化的可以用这个程序(Particle Swarm Optimization )

Code to obtain the filtering function polynomials F(s), E(s) and P(s), and the constants eps and eps_r from transmission zeros, with Cameron s method.

从初值出发，先计算y对时间t的导数，得到y的变化速度；求出x对t的导数，得到x随时间的变化速度。然后时间前进一小步h=0.002，同时x和y也都发生一个小的变化，即在原来数值基础上加上时间步长h和变化速度的乘积。如果x到达1或者-1，强制让y发生变化。这个过程不断迭代，得到结果。 (completed chart)

运用最优控制理论，实现对温度的控制，案例为温度控制系统(The use of optimal control theory, to achieve temperature control, case for the temperature control system)

说明：  扩频系统中的小实验，具体介绍在文件kuopin_all中有介绍。(spread spectrum system of small experiments, which are detailed in the document kuopin_all were introduced.)

DCT变换图像处理，给出了源码和实现过程，是一个毕业设计(DCT transform)

这是一个matlab基于主成分分析的特征提取的源代码(This is a matlab based on principal component analysis, feature extraction source code)