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有两个程序一个是关于frft的源程序，一个是应用frft对线性调频信号进行检测的程序，原理是以变换阶数（不同的分数阶域）为变量对观测信号进行分数阶变换，形成信号能量在时频平面上的二维分布，在此平面上按阈值进行峰值点的二维搜索即可检测线性调频信号并估计其参数。(There are two procedures one on frft the source, one application frft linear FM signal detection process, the principle is to transform the order of (different fractional domain) as the independent variables on the observed fractional signal change, the formation of signal energy in two-dimensional time-frequency plane distribution in this plane, the peak threshold value by two-dimensional linear FM signal can be detected search and estimate its parameters.)

程序主要包含幂级数展开逼近余弦及在同一坐标下显示多个曲线。压缩包中还包含相关的参考资料。(Program mainly includes power series expansion approximation cosine and displayed in the same coordinate multiple curves. Compressed package also contains the associated reference materials.)

matlab代码 各种信息 对于初学者很有用(matlab code a variety of useful information for beginners)

一种使用边缘检测方法进行的图像分割算法程序，改程序算法简单效果也不错，初学者可以使用(A kind of using edge detection method for image segmentation algorithm procedures, change program algorithm is simple the result is right also, beginners can use)

zwicker模型简易估算，希望大家共同努力完成 matlab 程序(zwicker loudness moduel)

validity check for polar to cartesian conversion

针对电机的直接转矩控制，通过MATLAB的simulink进行了详细的仿真，并且给出了一篇仿真的论文。(For direct torque control of the motor , through the MATLAB simulink carried out a detailed simulation , and gives a simulation papers. )

用Matlab编写的指纹特征提取程序，能运行对初学者帮助很大！(Prepared using Matlab fingerprint feature extraction procedures, will be able to run very helpful for beginners!)