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对信号进行稀疏分解并投影，然后对信号进行重建(Sparse decomposition of the signal and projection, and then reconstruction of the signal)

The code can be used for calculating the element stiffness matrix of a q-4

Ⅰ层模型声波波场数值的有限差分模拟程序,利用有限差分方法,对声波在地下的传播进行模拟(Ⅰ layer model acoustic wave finite difference numerical simulation program using finite difference method, the spread of sound waves in the ground to simulate)

主要介绍了基于MATLAB环境下的CDMA无线蜂窝系统的仿真和关键物理层技术的仿真。(Mainly based on the MATLAB environment CDMA wireless cellular system, the key to the simulation and the simulation of physical layer technologies.)

基于粒子滤波实现的纯方位目标跟踪，最后证明该算法收敛(Particle filter based on the realization of the bearings-only target tracking, the final proof of the convergence of the algorithm)

用MATLAB实现遗传算法程序，详尽的描述了遗传神经算法的实现方法(Genetic algorithm in MATLAB)

the pdf contains matlab code for dct fpr applying on images

本文件是基于MATLAB的解最优化算法的源代码，为牛顿法(This document is based on the MATLAB optimization algorithm solution of the source code for the Newton method)

Applications to Communication Systems: Modulation Techniques Type of Modulation-Continuous-wave (CW) modulation-Pulse Modulation-Full Amplitude Modulation-Spectral Overlap-Double Sideband- Suppressed Carrier Modulation-Frequency Modulation-PAM

基于matlab的直流电机pwm调速，通告simulink建立仿真模型进行仿真(Matlab-based DC motor speed control pwm, notices simulink simulation model to simulate the establishment)