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MATLAB演示电磁波，可以显示电场和磁场分量(MATLAB demonstration of electromagnetic waves)

image watermarking method

One way to determinate the Hurst exponent The diference is the form of the partitions for the range. They are helpfull to compare.

Spread spectrum techniques can be very useful to overcome the communication problems like security and efficient usage of power. In this technique, the information signal to be transmitted is multiplied by the PN code (This is the general case and it can be any kind of sequence.),called spreading code signal. The signal which is obtained after the multiplication of PN code is called spread signal which is then transmitted.

基于循环前缀的同步链路，包括调制解调等流程(Cyclic prefix based synchronization link, including the modulation and demodulation process)

数字信号处理的Matlab实现的随书光盘，有时谱分析、小波变化、地震观测系统仿真与地面运动恢复等几个数字信号前沿课题，有实用价值(Digital signal processing with Matlab realized the book CD-ROM, and sometimes spectral analysis, wavelet changes in observing system simulation of earthquake ground motion and the restoration of several cutting-edge digital signal subjects have practical value)

一个齿轮转子动力学的模型及临界转速求解的matlab代码。(dynamics analysis of a gear system.)

Emailing through matlab

说明：  高等土力学剑桥模型示例文件，土的本构模型(Cambridge model of advanced soil mechanics, constitutive model of soil)

matlab的模拟退火算法工具箱，很好的文件啊！！！！(The simulated annealing algorithm matlab toolbox, very good paper ah! ! ! !)