learning-the-QAM-modulation

3D discrete cosine transform

两个目标 非均匀傅里叶变换方法，并对信号进行插值算法(Two target non-uniform Fourier transform method, and the signal interpolation algorithm)

this file desribe the propagation of mode in few mode fiber

说明：  利用matlab软件和时域有限差分方法来算三维结构的程序，采用了周期边界条件(Using matlab software and finite difference time domain method to count three-dimensional structure of the program, using the periodic boundary condition)

说明：  G。729算法的MATLAB程序实现，用于算法仿真(G。729)

计算给定点列的曲线拟合最小二乘法得到的函数(The function of least square method for curve fitting of fixed point column)

The secon part of student work about using matlab for imege prossesing.

Turboedit算法用于探测GSP载波相位观测值中的周跳，简要的matlab代码实现(detect cycle slip by Turboedit)

SIFT特征匹配算法是目前国内外特征点匹配研究领域的热点与难点，其匹配能力较强，可以处理两幅图像之间发生的平移、旋转情况下的匹配问题(SIFT features matching algorithm is the hot matching algorithm of feature points at home and abroad . its matching ability is strong.It can match the feature points of two images which are rotated or traslation.)

GPS仿真程序。很好的。用MATLAB实现仿真过程。(GPS Simulation code)