elm

改变声音信号采样频率 matlab实现，介绍FFT方法，及滤波(Matlab change the sampling frequency to achieve the sound)

zero current sswitching a matlab (simlink model)

LLR仿真 157循环编码 llr译码 BPSK信号高斯噪声(LLR 157 loop simulation BPSK signal decoding coded llr Gaussian noise)

产生一个有带内相位噪声，毛刺噪声，白噪声的LO信号。(creative a LO signal with in band phase noise， spurs and noise floor.)

Steerable高斯图像滤波器，非常不错 在国外网站上找到的，可以学习 (Steerable Gaussian filter images, very good abroad found on the site, we can learn from)

MATLAB中gui设计程序，很全很强大，适合初级学习(GUI matlab design process, very comprehensive)

traitement d image pour faire la compression d image selon une méthode réversible

matlab实现洛伦茨系统及相位图，已经测试无误可以直接运行(Lorenz system and matlab implementation phase diagram has been tested correctly can be run directly)

The Scale-Invariant Feature Transform (SIFT) bundles a feature detector and a feature descriptor. The detector extracts from an image a number of frames (attributed regions) in a way which is consistent with (some) variations of the illumination, viewpoint and other viewing conditions. The descriptor associates to the regions a signature which identifies their appearance compactly and robustly

本程序基于约瑟夫森结的RSJ模型，对无微波辐照和微波辐照下约瑟夫森结的特性进行了数值计算求解，其中有微波辐照的RSJ模型求解采用了四阶龙格库塔方程函数，两种情况都给出了I-V特性曲线图（程序包中也附带），展现了量子化电压台阶。(This procedure based on the RSJ Josephson junction model, no microwave radiation and microwave radiation characteristics of Josephson junction has been calculated solving, in which microwave radiation has the RSJ model for solving a fourth-order Runge-Kutta equation function In either case, they are given IV characteristic curve chart (also included with the package), demonstrating the quantum level of voltage.)