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adapt filter:using matlab language

数字信号处理中各种滤波器的matlab仿真程序，适合初学者(Various filters in digital signal processing matlab simulation program for beginners)

作为项目管理协会（PMI）的标准和指南，本指南是通过相关人员的 自愿参与和共同协商而开发的。其开发过程汇集了一批志愿者，并广泛搜 集了对本指南内容感兴趣的人士的观点。(Project Managment Hand Book.)

Extended Kalman Filter for GNSS processing

本程序主要用于时间序列的去趋势算法，也就是常说的DFA。(here is a program to estimate the DFA of a time series)

The number π is a mathematical constant that is the ratio of a circle s circumference to its diameter and is approximately equal to 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, though it is also sometimes romanized as "pi

基于传输矩阵法的线性啁啾光纤光栅反射谱的仿真研究( linearly chirped fiber grating reflection spectrum of the simulation based on Transfer matrix method )

matlab 数值优化遗传算法程序，大家都看看嘛。(matlab genetic algorithm numerical optimization procedures, we all look at them.)

matlab的很好的教程，清楚的介绍了各章的内容，还有一些实训课程指导！ (a good tutorial matlab, clearly describes the content of each chapter, there are training courses guide!)

这是门信号的fourier变换，matlab语言编写，有注释，很明了(This is the Fourier transform, gate signal matlab language, have comments, is clear )