3PG

主要是用于产生ofdm当中有关信道的相关内容(OFDM is mainly used to produce them on the channel content)

parks maclean algorithm for low pass filtering

haar特征的提取，包括六种haar特征，再别人代码的基础上改进的，希望对大家有帮助。(haar feature extraction, including the six the haar characteristics, and the code of others on the basis of improvement, we hope to help.)

参数a,b,n对r=acos(nt+b)的影响，观察菜单和图形的变化，体会相应的程序控制逻辑(The parameters a, b, n r = acos (nt+b) the impact of observed changes in the menu and graphics, the experience of the corresponding program control logic)

说明：  光子晶体光纤的数值模拟，用matlab计算光子晶体光纤的模场分布、色散等参数(Numerical simulation of photonic crystal fiber, using Matlab to calculate the mode field distribution, dispersion and other parameters of photonic crystal fiber)

this code for least square collocation estimation

一个图像去噪的Matlab程序，可用于图像的边缘提取等工作。(Image denoising)

说明：  仿真声呐的相移波束形成，内部包含详细的程序注解，供新手进行学习(The phase-shifting beamforming of the simulated sonar contains detailed program annotation for novice learning)

sift算法的详细应用笔记，对sift做了详细解释(sift algorithm detailed application notes, a detailed explanation of the sift)

finite element for waveguide