刚度矩阵提取

matlab 基础教程，第四章，适合初学者(matlab Essentials, Chapter IV, suitable for beginners)

matlab7.0书中的实例程序的源代码，用matlab 编写的，支持matlab7.0(Examples of procedures matlab7.0 the book s source code, using matlab prepared to support matlab7.0)

说明：  这是一个关于全波和半波整流的仿真模型，SIMULINK的模型(This is a study on full-wave and half-wave rectifier of the simulation model, SIMULINK model)

描述了无线通信中最常见Jakes信道模型，程序简单，注释详细。(this m program mainly describes the Jakes channel model in wireless communication, which helps you understand the channel details.Please refer to it.)

信号的奇异谱香农熵和奇异谱指数熵 matlab 源程序(Signal singular spectrum Shannon entropy and singular entropy source spectral index)

该程序设计了一种PID控制器，可以通过比例积分微风三个参数有效的消除系统的扰动。(The program design of a PID controller, you can breeze through the PI system to effectively eliminate the three parameters of the disturbance.)

This Matlab Code models a Rayleigh fading channel using a modified Jakes channel model. A modified Jakes model chooses slightly different spacings for the scatterers and scales their waveforms using Walsh–Hadamard sequences to ensure zero cross-correlation. alpha_n = frac{pi(n-0.5)}{2M} and eta_n = frac{pi n}{M}, results in the following model, usually termed the Dent model or the modified Jakes model: R(t,k) = sqrt{frac{2}{M}} sum_{n=1}^{M} A_k(n)left( cos{eta_n} + jsin{eta_n} ight)cos{left(2pi f_d t cos{alpha_n} + heta_{n} ight)}. The weighting functions A_k(n) are the kth Walsh–Hadamard sequence in n. Since these have zero cross-correlation by design, this model results in uncorrelated waveforms. The phases ,! heta_{n} are initialized randomly and have no effect on the correlation properties. Matlab fast Walsh-Hadamard transform function is used to efficiently generate samples using this model.

pictures of matlab code of digital modulation

matlab mexcdf工具箱 2010b及以上可用(mexcdf toolbox for matlab)

基于小波变换的正交匹配追踪算法及其应用先介绍了压缩感知的基本原理以及理论模型，然后详细阐述了匹配追踪(Ⅷ)以及正交匹配追踪(()脚) 两种重构算法，进而提出了基于小波变换的正交匹配追踪算法(wOⅧ)，即先将信号经过单层小波变换，保留信号的 低频部分，只对高频稀疏部分进行压缩，然后利用正交匹配追踪算法进行重构，最后对低频及处理后得到的高频部分 进行小波反变换得到重构信号。(Based on orthogonal wavelet transform matching tracking algorithm and its application to the basic principles and theoretical models compressed sensing, and then elaborated matching pursuit (Ⅷ) and orthogonal matching pursuit )