EMD

该PPT介绍了MATLAB仿真中应用的MATLAB工具箱(the PPT on MATLAB application of MATLAB Toolbox)

create new based on mean and variance of the each cluster

利用KNN最近邻算法，对心音信号进行分割并判断，给出第一心音、第二心音和收缩期、舒张期。(Use KNN nearest neighbor algorithm, the heart sound signal is divided and judgment is given first, second heart sound and systolic, diastolic.)

通过MATLAB编写的产生巴特沃斯低通滤波器，有详细的原理解说和程序代码，，并附有图形(MATLAB prepared by generating Butterworth low-pass filter, a detailed explanation of the principles and program code,, along with graphics)

应用FDTD方法计算了光子晶体代隙的程序，这是一个计算二维光子晶体代隙的程序(This program calculate the wave guide by a photonic crystal)

一种改善HHT端点效应的新方法及其在电能质量中的应用_苏玉香(A new method to improve the end effects of HHT and its application in power quality _ Su Yuxiang)

This paper presents a hybrid parallel active filter scheme using small rated square-wave inverters for supply line harmonic current reduction for high power non-linear loads in the range of 1 - 50 MW to meet IEEE 519 harmonic standards.

说明：  1.常微分方程 2.积分变换 3.多元函数微分(1. Ordinary differential equation 2. Integral transformation 3. Multivariate Function Differentiation)

this is the research doc for mp3 stegnography

滑模变结构控制，详细介绍了滑模变结构非线性控制系统设计，是一本滑模控制的好书(Sliding Mode Variable Structure Control, detailing SMVSC nonlinear control system design, is a good book Sliding Mode Control)