fft

least squares method

DCT数字水印算法的matlab实现，该程序反映了DCT算法的强健性和鲁棒性。(DCT watermarking algorithm of matlab, the program reflects the DCT robustness and robustness of the algorithm)

说明：  FRFCM图像分割算法，FCM图像分割算法的一种改进分割算法(Frfcm image segmentation algorithm)

SIR calculation given power matrix and service nodes association information

基于灰度的人眼定位，matlab，积分投影法实现人眼识别(eye detection)

Prony分析程序，给出了一个具体的例子，可作学习之用(Prony analysis procedures, is a specific example, can be used for learning)

本程序实现对图像的打开、退出操作，以及图像旋转、添加噪声、图像平滑（椒盐噪声处理、均值低通滤波处理、中值滤波处理）、图像直方图显示、预测编码，在MATLAB中用GUI实现。(This program implements the image is opened, quit the operation, as well as image rotation, adding noise, image smoothing (salt and pepper noise processing, the mean low-pass filtering, median filtering process), histogram display, predictive coding, in MATLAB using GUI implementation.)

利用聚类算法实现的分类小程序，简单实用，很容易就可以提取出聚类算法，绝对无误运行。(Clustering algorithm using the classification of small program, simple and practical, it is easy to extract the clustering algorithm, is absolutely correct operation.)

关于直流电机的空载特性的matlab仿真，采用的是样条插值算法对曲线进行拟合，初学者可以改为其他拟合方式看结果如何(With regard to the no-load characteristics of DC motor matlab simulation, using the spline interpolation algorithm, beginners can be fitted into other ways to see the results)

有限元TetrahedronElement的matlab程序(FEA matlab TetrahedronElement)