SignalReconstruction

读取双指数脉冲波形 并分析其能量的频率分布(The frequency distribution of double exponential pulse waveform to read and analyze its energy)

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)

STM32制作的MP3的全部资料，用谱方法计算流体力学一些流动现象的整体稳定性,是路径规划的实用方法。( STM32 all the information produced by the MP3, Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Is a practical method of path planning.)

说明：  group lasso 回归算法的实现功能matlab代码(this is group lasso function,which is build with matlab)

说明：  3D分形维数计算，Box-counting算法和MinkowskiMethod算法(Fractal dimension,Box-counting and MinkowskiMethod)

matlab上机实验：时域采样与频域采样(Time domain sampling and frequency domain sampling )

无线传感器网络中距离无关的定位算法DVHOP的简单程序，有注释，可调试。(Wireless sensor network localization algorithm DVHOP from unrelated simple program, there are notes, can be debugged.)

基于非负矩阵分解（NMF）的人脸特征提取算法，其基本思想是找到一个母性子空间，是的构成子空间的基图像的像素点都是正值(algorithm of NMF of face detection by matlab)

运用打靶法求解非线性常微分方程，简单实用(Shooting method used to solve ordinary differential equation, simple and practical)

steganography by skintone detection