xfs_qm_bhv

实现信号的时域和频域变换的一种算法，附有详细说明(Signals in time domain and frequency domain transform an algorithm, with detailed instructions)

This code is neural network (Matlab). The objective function is used the sigmoid.

通过边界集中识别图像形状特性，并返回数值(Images by identifying the boundary shape characteristics of centralized and return values)

用数字调制技术中的fsk调制方法，编写了一段调制程序，用来还不错就上传。(using digital modulation technique of fsk modulation method, the preparation of a modulation procedures used were pretty good on the upload.)

这个文件是语音处理里面的端点检测源程序，可以直接编译运行，效果还比较好(This document is a voice processing of endpoint detection inside source, you can direct the compiler to run, the effect is still relatively good)

组合保险策略分析 Portfolio Insurance Strategies(Portfolio Insurance Strategies)

说明：  本文给出两个最典型分形集—Julia 集和Mandelbrot 集的matlab源程序，并对分析了它们的性质和变化规律。(In this paper, the two most typical fractal sets-Julia sets and Mandelbrot Sets matlab source, and an analysis of their nature and variation.)

图像傅里叶变换，matlab模拟透镜成像过程，可看到频域信息(fft2 optical imaging progress)

鲁棒的典型性分析方法仿真程序，亲测程序可用(Robust analysis method simulation program)

ABAQUS vumat subroutine for user defined materials using Hashin 3D Failure criterion model in finite element simulation