scm_11-01-2005

matlab 线性算法的研究，适合初学者学习(matlab linear algorithm, suitable for beginners to learn)

电力系统脉冲检测方法，可以使用分形几何的局部方差分维数表示，该程序可以提取其特征值，从而便于检测识别(Pulse power system detection method, you can use the fractal geometry of partial differential side dimension that the program can extract the characteristic values, which made it easy to detect and identify)

分析ssvep脑电信号的程序，有整体框架(SSVEP EEG signal analysis procedures, there is an overall framework)

计算DGGE图谱各泳道间的相似性指数组成相似矩阵，输入参数x为图谱的泳道的亮度（灰度）或者比移值矩阵(DGGE profiles calculated similarity between each lane index composed of similar matrix, the input parameter x for the map of the lanes of the brightness (gray) or Rf value matrix)

itk是美国国家卫生部开发的图像处理程序，但是使用不便，所以制作了他的matlab接口(itk is the United States National Institutes of Health to develop image processing procedures, but the use of inconvenience, so the production of his matlab interface)

Algorithm of Netwon and secand method

Construct the short length of QC LDPC codes without girth 4 and girth 6(The Program to construct the short length of QC LDPC codes without girth 4 and girth 6 Copyright (C) Yang XIAO, Jun FAN, BJTU, July 26, 2007, E-Mail: yxiao@bjtu.edu.cn. This program presents an approach [1] for constructing the short length of LDPC codes with girth 8. First, we design 3 submatrices with different shifting functions given by our schemes, then combine them into a matrix according to our approach, finally, expand the matrix into a desired parity-check matrix using identity matrices and cyclic shift matrices of the identity matrices. The simulation results in AWGN channels show that the codes which can be obtained by the generator matrix derived from this check matrix for encoding the random information bits are as good as random LDPC codes [1]. Ref: [1] J. Fan, Y. Xiao, “A design of LDPC codes with large girth based on the sub-matrix shifting”, IET International Conference on Wireless Mobile and Multimedia Networks Proceedings (ICWMMN 2006), (CP525), p. )

MacCormack Gas Flow code

采用小波变换基稀疏用正交匹配追踪算法重构的压缩传感(Sparse wavelet transform based algorithm using orthogonal matching pursuit compressed sensing reconstruction)

Lagrange乘子法 用于解约束最优化问题 (Lagrange multiplier method for the solution of unconstrained optimization problem)