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Least-square curve fitting using polynomials is probably the most basic way to perform some parametric regression analysis. Foor basic tools for polynomial curve fitting are provided here. I also strongly recommend the exhaustive function POLYFITN

用于将中央气象台的T639数据转换为Matlab格式的数据(transform the data from National Meteorological Center of CMA to matlab format)

基于NLM（最近电平逼近调制）的MMC（模块化多电平换流器）的PSCAD模型，包括传统的电容电压排序法。(The PSCAD model of MMC (modular multilevel converter) is based on NLM (nearest level approximation modulation), including traditional capacitor voltage sorting method.)

说明：  针对NL-Mreans算法运算时间较长的问题，提出了优化，大大缩短了时间。(To solve the problem of long operation time of NL-Means algorithm, an optimization method is proposed, which greatly shortens the time.)

说明：  malloc项目第三阶段：优化，用哈希表实现，同时加深对数据结=结构的理解(malloc Project Phase III: optimization, with the hash table to achieve at the same time deepen the understanding of the structure of the data node =)

电子通信系统的建模与仿真 第8章 扩频通信 仿真 8.1 扩频码相关性的讨论 8.2 扩频通信原理 8.3 扩频通信系统? 8.4 跳频通信系统(Electronic communications system modeling and simulation in Chapter 8 Simulation of spread spectrum communication spread spectrum 8.1 code related discussion 8.2 Principle 8.3 Spread Spectrum Communications Spread Spectrum Communication System ? 8.4 Frequency Hopping Communication System)

ti duffing neural network

矩形遍历检测窗口演示Matlab源代码,用于理解Haar-like的功能(Haar-like rectangular detection window traversal demo Matlab source code for understanding Haar-like functions)

说明：  该程序是一位同学写的，运行该程序需要rtlSDR设备，便宜一点的淘宝不到100元，插上rtlsdr后，配置好matlab环境，能够实现扫描25M-1.75GHz的当地频谱，当然也可以自行修改范围(rtlsdr rx specsweeep 25MHz~175MHz)

数字伺服系统MATLAB仿真，使用simulink做的，PID控制(ACMmodelnps.mdl MATLAB example，PID CONTROL)