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样本熵是时间序列复杂度的一种度量, 在上个世纪末期由几位非线 性动力学研究者提出。样本熵比近似熵更具有相对一致性(Sample entropy is a measure of the complexity of the time series, at the end of the last century by several non-linear dynamics researchers. Sample entropy more than approximate entropy relative consistency)

Chaos Time Seris Toolbox For Analysis and Prediction Version2.9

pattern recognition code

1.纽马克算法，振动分析方法，计算多自由度系统振动响应，位移，速度，加速度 2.用于计算多自由度系统固有频率、固有振型、模态质量、模态刚度矩阵、正则模态向量、受迫响应振动 3.里兹法是一种缩减系统自由度的近似方法，用于多自由度系统的求解 4.庞加莱截面图法，用来对多变量自治系统的运动进行分析 5.频谱图法，用于系统的频域分析 6.线加速度法求解系统振动响应 7.雨流计数法，主要用于工程界, 特别在疲劳寿命计算中运用非常广泛，对载荷的时间历程通过计数的过程反映了材料的记忆特性(1. Newmark algorithm, vibration analysis method to calculate multiple degrees of freedom system vibration, displacement, velocity, acceleration 2. Multi-DOF system for calculating the natural frequencies, mode shapes, modal mass, modal stiffness matrix, normal modes state vector, forced vibration response 3. Ritz method is an approximate method to reduce the degrees of freedom for multi-degree of freedom systems solving 4. Poincare sectional view method for multivariable autonomous motion system are 5. the spectrum analysis method for frequency domain analysis system 6. the method for solving linear acceleration system vibration 7. the rain flow counting method, mainly used in engineering, especially used in the calculation of the fatigue life of a very wide range of load time through the course of the process of counting it reflects the memory characteristics of the material)

本书是比较好的matlab学习资料 可以帮助初学者掌握基本的编程，里边也包含了程序源是很方便的。(This book is a good matlab learning material to help beginners master the basic programming, which also contains the program source is very convenient.)

matlab for Alternating direction program

该语言由matlab实现，通过catia建模，并在其中进行网格划分，然后由程序读入，用物理光学法计算其雷达散射截面，该算法经多次使用验证。(The language by matlab to achieve, by catia modeling, meshing, and then read by the program, physical optics method to calculate the radar cross section, the algorithm repeatedly verified.)

QPSK modulation with awgn channel

matlab的经典案例，小程序，适用于初学matlab的同学(matlab classic cases for student who are learning matlab)

50欧姆,100欧姆板厚1.0MM8层板阻抗设计-金百泽阻抗控制结构确认函(1mm8layout100ohm50ohm Impedance matching )