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光纤Bragg光栅的基模（LP01）的有效折射率和谐振波长的计算测试程序，欢迎拍砖

一些matlab底下的小函数，详细见索引。直接解压，不用密码。(under Matlab some small function, see detailed index. Direct unpack, without a password.)

matlab开发的齿轮时变刚度的计算，可以直接使用的代码(Calculation of variable stiffness when matlab developed gear, you can directly use the code)

1.了解离散傅立叶变换及离散余弦变换的基本原理； 2.掌握进行FFT及逆变换的方法； 3.了解图像在频域中处理方法，应用MATLAB语言作简单的低通滤波器。 (1. Understand the discrete Fourier transform and discrete cosine transform the basic principle; 2. master for FFT and inverse transform; 3. understanding of image processing in the frequency domain method, MATLAB language for simple low-pass filter.)

对信号进行内插处理，有16个复信号：1~16Hz；内插I=16 ；内插前采样率50Hz；滤波器265阶 。(Interpolation processing signal 16 multiplexed signals: 1 Hz to 16 Hz interpolated I = 16 before interpolation sampling rate of 50Hz filter 265 order.)

说明：  Matlab实现频谱分析 其幅值和相位已经标准化(Matlab achieve its amplitude spectrum and phase analysis have been standardized)

计算静气动弹性的程序，主要功能包括计算q，和alpha 静稳定性以及表面诱导阻力(Static aeroelastic calculation procedures, the main features include computing q, and alpha-induced static stability and surface resistance)

。在提取图像特征点的时候采用提取角点的方式，用角点检测与图像的局部自相关函数紧密结合的方法，通过角点分析来判断待检测点是否为角点。(In the extraction of image features: by the way, extracts angular point with corner detection and image of partial autocorrelation function of integrated method, through the corner to judge whether the line to analysis for the corner.)

image thesis introduction

coordinates from talairach to mni and vs