hidelsb

说明：  基于神经网络工具箱实现三层BP网络代码(注释很详细)(Based on BP neural network toolbox to achieve the three-tier network code (note detail))

program for signal synthetic

产生一个正弦衰减曲线，进行快速傅里叶变换，并画出幅值图，相位图，实部图，虚部图(Decay to produce a sine curve, the fast Fourier transform, and draw magnitude diagram, phase diagram, the real figure, the imaginary part of Fig.)

用元胞自动机模拟博客圈里舆论的传播过程，可得到最终结果图形。(Analysis of the propagation of discussion topics in the blogosphere with CA)

关于qpsk的simulink 的方针，包含调制与解调系统(qpsk program)

Noise and vibration analysis for MDOF system

有限元PlaneFrameElement的matlab程序(FEA matlab PlaneFrameElement)

Conjugate gradient method

The demand of high data rate services has been increasing very rapidly and there is no slowdown in sight. We know that the data transmission includes both wired and wireless medium. Often, these services require very reliable data transmission over very harsh environment. Most of these transmission systems experience much degradation such as large attenuation, noise, multipath, interference, time variance, nonlinearities and must meet the finite constraints like power limitation and cost factor. One physical layer technique that has gained a lot of popularities due to its robustness in dealing with these impairments is multi-carrier modulation technique. In multi-carrier modulation, the most commonly used technique is Orthogonal Frequency Division Multiplexing (OFDM)

16qam星座点仿真实验，加入高斯白噪声，无衰落信道(16qam BER simulation, adding white Gaussian noise, no fading channel)