11DES_encryption

使用Matlab 软件工具, 对给定结构和入射电磁信号的接收天线进行分析计算, 创建RWG边元, 求解阻抗矩阵和矩量方程, 得到了天线的表面电流分布, 并将表面电流分布可视化。(Using the Matlab software tool for a given structure and the incident electromagnetic signal receiving antenna analysis and calculation, create RWG edge element, solving the impedance matrix and the moment equation, the surface of the antenna current distribution, and visualization of the surface current distribution. )

amplitude shift keying along with the result

simulink的数字调制解调仿真程序，详细说明了2ASK，2FSK,2PSK调制解调模块搭建流程，每个模块的功能用途，以及每个模块的参数设置情况。(Digital modulation demodulation of simulink simulation program, and details the 2 ask, 2 FSK, 2 PSK modulation demodulation module structures, processes, the function of each module USES, and each module of the parameter Settings.)

MATLAB code for back propogation neural networks

Another way to do a stft but with fft from matlab

VDSL的上行链路仿真，满足以下指标： 1.下行（局端到用户端）速率：20Mbps，上行（用户端到局端）速率：5Mbps；传输距离为500m；在Eb/N0 = 15dB时实现误比特率Pe<=10-4 2.可用信道频谱：0.138MHz-12MHz 3.双绞线模型采用RLCG模型，传输介质为0.4mm PE cable (simulation of VDSL up link)

求解二维电磁场散射 非常准确 非常快 并且可以用来仿真亚波长的的新现象(Solving two-dimensional electromagnetic scattering very accurate and very fast simulation can be used to sub-wavelength of the new phenomenon)

用MATLAB代码来实现最速下降法的计算。(MATLAB code used to achieve the steepest descent method calculations.)

说明：  一个对数据进行独立成分分析的小程序，可对统计数据进行快速的降维。(An independent component analysis of the data of small procedures, statistical data on the fast dimension reduction.)

huffman coding for image file