MIMO-tianxianxuanze

白噪声的测试MATLAB程序，及各种谱分析(whitenoise test program and Spectrum analysis)

MATLAB是一套功能强大的工程计算及数据分析软件，广泛应用于工业、电子、医疗、建筑及航空业等领域。本书系统介绍了MATLAB 6的基础知识，包括程序设计环境、基本操作、绘图功能、 M文件及稀疏矩阵；详细阐述了MATLAB 6在数字信号处理中的应用，主要有离散信号、离散系统及其结构的MATLAB实现、MATLAB中的信号变换、基于MATLAB的 IIR DF与 FIR DF设计以及基于MATLAB的功率谱估计等。另外，本书同时提供了MATLAB 6中 24类基本命令函数的子目录及其含义，以及MATLAB中10种基本的工具箱函数，极大地方便了用户的阅读与参考。 本书可作为数字信号处理课程的参考书，对涉及数字信号处理的各个领域的大专院校师生与广大科研人员具有重要的参考价值。 (err)

采用matlab解微分方程，讲解比较详细，值得看看(Using matlab for solving differential equations, to explain in more detail, is worth a look)

模糊熵，　为解决从信号中提取故障特征难的问题, 介绍了一种新的信号故障特征提取方法—— 多尺度熵( multi-scale entro py, 简称MSE) , 并将样本熵和多尺度熵分别应用于转子故障信号复杂性的度量, 以提取故障特征。试验数据 分析表明, 与样本熵相比, 多尺度熵更能有效地实现转子故障类型的诊断。(A new rolling bearing fault diagnosis approach based onmultiscale permutation entropy (MPE), Laplacian score (LS), and support vector machines (SVMs) is proposed in this paper. Permutation entropy (PE) was recently proposed and defined to measure the randomicity and detect dynamical changes of time series.)

PID控制matlab仿真，在输入分别为阶跃和正弦函数下的响应曲线，绘制输入与实际对比图(PID control matlab simulation, in the input of the step and sine function under the response curve, drawing the input and the actual comparison map.)

修改Windows95 GUI函数的源代码 (The source for modifying windows 95s GUI function)

OPQSK调制信号的载波相位/频率以及时间同步算法的实现与验证，很有使用价值(OPQSK modulated signal carrier phase/frequency and time synchronization algorithm and validation, very valuable)

图像盒维数的。。。。。。。。。。。。计算方法(Box dimension. . . . . . . . . . . . Calculation method)

Decompose image into subbands (undecimated wavelet), denoise, and recompose again. fh = decomp_reconst_wavelet(im,Nsc,daub_order,block,noise,parent,covariance,optim,sig) im : image Nsc: Number of scales daub_order: Order of the daubechie fucntion used (must be even). block: size of neighborhood within each undecimated subband. noise: image having the same autocorrelation as the noise (e.g., a delta, for white noise) parent: are we including the coefficient at the central location at the next coarser scale? covariance: are we considering covariance or just variance? optim: for choosing between BLS-GSM (optim = 1) and MAP-GSM (optim = 0) sig: standard deviation (scalar for uniform noise or matrix for spatially varying noise) Javier Portilla, Univ. de Granada, 3/03 Revised: 11/04

LU decomposition for algorithms code submitted is implemented in matlab