lISTtOPgRAVITY

本程序为《结构分析的有限元法与Matlab程序设计》第三章的第一个算例，采用平面梁单元计算平面刚架的变形和内力，已经过修改。(This program is "structural analysis of the finite element method and Matlab Programming" chapter of the first example, the use of plane beam element of plane frame deformation and internal forces, which have been modified.)

高阶谱分析工具箱（HOSA）中choices函数。(HOSA tool box s demo will call a function name choices. Copy this file to one of your MATLEB search path to fix the choices problem. )

ECG signal feature extraction

说明：  此程序用语计算信号的位移是用MATLAB编写的,是一函数的形式可以直接调用 (Term this procedure the calculation of the displacement signal is prepared MATLAB is a function of the form can be directly called)

BOC信号调制的源码，及BPSK产生信号的源码(BOC signal modulation of the source, and the BPSK signal source generating)

A matlab program for adding noise of certain percentage to an image

《MATLAB信号处理超级学习手册》随书光盘， 《MATLAB信号处理超级学习手册》以MATLAB R2013a版本为基础，系统地讨论了数字信号处理的基本理论、基本分析方法、基本算法和设计方法，涉及了数字信号处理的各个方面，是一本比较全面的信号处理参考书。( MATLAB Signal Processing super study manual In MATLAB R2013a version of the basis, the system discussed in the basic theory of digital signal processing, the basic analysis methods, basic algorithms and design method involves all aspects of digital signal processing, it is a more comprehensive signal processing reference.)

7自由度的汽车整车模型，适合做汽车动力学仿真(7 degree of freedom vehicle model, which is suitable for vehicle dynamics simulation)

对原始信号进行emd分解，分解后的信号能够更好的体现出本身的特征，更加明了(The original signal EMD decomposition, decomposed signal can better reflect the characteristics of itself, more clear)

基于矢量水听器阵列的MUSIC算法，信号为窄带信号，均匀线阵(MUSIC algorithm based on vector hydrophone array, the signal is narrowband signal, uniform linear array)