figure5

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)

直接序列扩频的相关文章及matlab程序，以及ofdm中ici消除的论文。(Direct Sequence Spread Spectrum matlab relevant articles and procedures, as well as the elimination of ofdm thesis in ici.)

[t, y]=EULER_forward_ODE(f, t0, y0, tend, Niter) 欧拉向前逼近法求解微分方程初值问题 f定义了函数f（t，y）的 t0时的初始值定义吨 Y0的定义y的初始值( [t, y]=EULER_forward_ODE(f, t0, y0, tend, Niter) Euler forward approximation method to solve IVP ODEs f defines the function f(t,y) t0 defines initial value of t y0 defines initial value of y)

MIMO為多根天線輸入多根輸出，可高效率傳輸data以及接收，缺點則是需付出額外天線成本(MIMO antenna for multi-input multi-output, high efficiency can be transmitted and received data, the disadvantage is that the antenna required to pay additional costs)

matlab时频分析工具箱，包括各种时频分析函数(matlab time-frequency analysis toolbox, including a variety of time-frequency analysis functions)

This program in Matlab code, calculates resonance frequencies of a 1D cavity by using FDTD method

ofdm_signal by matlab

说明：  ％％ Ant Colony Algorithm for QoS Multicast Routing ％ QoS组播路由蚁群算法( Ant Colony Algorithm for QoS Multicast Routing QoS Multicast Routing with Ant Colony Algorithm)

非常好的信道衰落教材~涵盖了很多方面的知识(Very good fading ~ covers many aspects of teaching knowledge)

MATLAB GUI控制中斷的例子方便初学者学习這裡討論MATLAB GUI中，一個元件A的Callback正在執行，如何用另一個元件B的觸發（如按鈕，或按鍵盤）來中斷程序A的執行。 (MATLAB GUI control to interrupt the examples easy for beginners to learn to discuss here the MATLAB GUI, a component A Callback is running, how to use the B trigger another component (such as buttons, or keyboard) to interrupt the execution of the program A.)