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qpsk signal generator and filter

denoising filters such as Average, Median, Gaussian, Wiener, Min-order-statistic, Maxorder-statistic and Median-order-statistic are used. Based on the images obtained by the mentioned filters, it is become obvious clear that for the given noisy image the Min filter acted much better than the other filters. Order-statistic Median and Gaussian filters are the ones that have a second and third good result respectively. That is way can conclude that the existing noise in the given image was Salt noise.

模糊神经网络解耦MATLAB程序，大家可以根据自己的实际项目进行代码数值的修改。(fuzzy neural network)

高斯脉冲的微分的MATLAB仿真程序，对超宽带脉冲宽度的改变和脉冲微分(Derivative of Gaussian pulse MATLAB simulation program, to change the UWB pulse width and pulse differential)

以网格作为逻辑结构，具有高联通，低负载，扩展性强的特点。经分析表明，该方案更高效、安全、抗攻击能力更强。(To the grid as a logical structure, with high Unicom, low load, expansion and strong features. The analysis shows that the program more efficient, safe, stronger anti-attack capability.)

Metodo Split-Step Fourier for Light Beam in Single Mode Optics Fiber Waveguide

1、系统仅处于训练状态。训练序列为2cos(2π×f1×n/fs)， 干扰为sin(2π×f2×n/fs)；序列长度为100个样点。 其中n=0…99，f1=1kHz，f2=2kHz，fs=8kHz。 2、采用LMS算法，均衡器输入为训练序列加上干扰，均衡器阶数为21阶，步长因子β=0.01。 3、在Matlab中编写浮点LMS算法，绘制均衡器的输出波形，并与训练序列进行对比。 (1, the system only in the training status. The training sequence is 2cos (2πf1n/fs), interference sin (2πf2n/fs) sequence length of 100 samples. Where n = 0 ... 99, f1 = 1kHz, f2 = 2kHz, fs = 8kHz. 2, using LMS algorithm, the input to the equalizer training sequence plus interference equalizer order is 21 bands, step factor β = 0.01. 3, the preparation of the floating-point LMS algorithm in Matlab, draw the output waveform equalizer, and with the training sequence comparison.)

Sum Rate Maximized Resource Allocation in Multiple DF Relays Aided OFDM Transmission

在非线性光纤光学的必须仿真方程，包括spm，xpm以及损耗的薛定谔方程。其中有10多个小仿真程序，以及其中用到的函数。(Must the simulation equation in nonlinear fiber optics, including the SPM, XPM and depletion of the schrodinger equation.There are more than 10 small simulation program, and the use of the function.)

基于MATLAB的PID程序，该程序实现PID参数的优化调整(MATLAB based on the PID process, which realize the optimal adjustment of PID parameters)