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An ad-hoc network with a sender, a destination and a third station act- ing as a relay is analysed. The channels are modelled containing thermal noise, Rayleigh fading and path loss. Di® erent combining methods and di- versity protocols are compared. The amplify and forward protocol shows a better performance than the decode and forward protocol, unless an error correcting code is simulated. To combine the incoming signals the chan- nel quality should be estimated as well as possible. Information about the average quality shows nice bene¯ ts, and a rough approximation about the variation of the channel quality increases the performance even more. What- ever combination of diversity protocol and combining method is used second level diversity is observed. The relative distances between the relay and the stations has a large e® ect on the performance.

Bit error rate for QAM in MatLab

维纳滤波Matlab代码 1 可以直接作为函数调用； 2 可以减少图像的块效应，以及平滑图像。(Wiener Filter Matlab code can be used directly as a function call 2 blocks can reduce the image effects, and smoother image.)

基于MATLAB编写的基于遗传算法的RBF-NN训练程序(Based on the PID controller based on genetic algorithm RBF-NN MATLAB_SIMULINK prepared)

matlab 软件接收机 完成跟踪和捕获 以及定位解算功能 包括运行需要的中频数据(matlab software receiver)

麻省理工学院的matlab教程，应该很给力吧，还比较详细(MIT matlab tutorial, it should be to force it, but also more detailed)

可视化的进度条，能够在程序运行期间实时查看代码运行的进度(Visualization of the progress bar)

说明：  如何用winrats做garch-bekk模型(how to use winrats creat garch-bekk)

用matlab开发的俄罗斯方块游戏，包括所有功能，非常好玩，有兴趣的同学可以试一试(Developed using matlab Tetris games, including all functions, very fun, interested students can try)

Simulation Antennas_UWB beamforming