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说明：  局部线性嵌入算法的matlab代码,改算法是流形学习中的一个算法，目的是将高维流形空间映射到低维嵌入空间。可用于非线性高维数据的降维(matlab code of Local linear embedding algorithm )

need codes for mobile communication

IIR filter synthesis algorithm with almost linear group delay

vmd分解的源代码,程序带注释，易于理解(Vmd decomposition source code, program with comments, easy to understand)

函数实现对InSAR复相位信号的基于局部频率估计的“斜坡自适应滤波” 此滤波方法特别适用于InSAR相位图滤波，能在滤除噪声的同时最大限度地保留有用信息(This matlab function is for InSAR phase filtering,usually called "slope adapt filter".It is based on local frequency estimation.)

说明：  经典的MATLAB资料，精通matlab6.5 (北航 张志涌)(MATLAB classical information, proficient matlab6.5 (BUAA Zhang Yong))

hht和emd源代码，可以直接出图像，MATLAB开发环境(hht and emd source code, the image can be directly)

葛德彪的时域有限差分书后面的例题程序代码(the examples in the book FDTD of DeBiao Ge)

xfem扩展有限元模拟子程序开发的相关内容介绍(xfem extended finite element simulation routines developed related content description)

说明：  hht程序代码，小波变换，对比分量的功率谱密度函数图，找出最优小波(hht code, wavelet transform, as compared with the weight of the power spectral density function map to find the optimal wavelet)