sfs

exercice for machine learning matlab

对脉冲多普勒雷达调频噪声进行仿真，你会发现非常又有有用。(FM noise to simulate the radar you will find that it is very useful.thank you to use it.thank you very much.you must be glad to find it.)

AES coding end de-coding by matlab

通过matalb简单的仿真的电磁波在狭缝中的衍射情况，并做出了动态图。(Through a simple simulation of electromagnetic matalb slit diffraction in the case and make a dynamic map.)

基于人工神经网络的常用数字信号调制，isodata 迭代自组织的数据分析，现代信号处理中谱估计在matlab中的使用。( The commonly used digital signal modulation based on artificial neural network, Isodata iterative self-organizing data analysis, Modern signal processing used in the spectral estimation in matlab.)

说明：  matlab file for forecast using back probagation

稀疏非负矩阵分解，稀疏非负矩阵分解（SNMF）在线形稀疏编码理论的基础上将大量数据分解成正稀疏分量的一种算法(SNMF，Sparse non-negative matrix factorization)

source code Fourth Order Partial Differential Equations for Noise Removal,

说明：  鲸鱼优化算法（WOA）是一种用于解决优化问题的新优化技术。该算法包括三个算子，用于模拟猎捕鲸鱼的猎物，环绕猎物和泡泡网觅食行为。(Whale Optimization Algorithm (WOA) is a new optimization technique for solving optimization problems. The algorithm includes three operators for simulating whale hunting prey, orbiting prey and bubble net foraging behavior.)

读入一幅256*256图像，将它分成8*8pixel的若干块，对每块做DCT变换，保留Z型顺序的若干变换系数，进行IDCT重构图像，计算重构图像的信噪比(Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation reconstruction image reconstruction images,and the signal-to-noise ratio)