nanping

这是一个计算误码率的文档，里面包含源码及说明，很容易理解(This is a documentation error rate calculation, which contains the source code and instructions, it is easy to understand)

OFDM功率分配算法仿真，他是基于非合作博弈论的，通过循环迭代实现(OFDM power allocation algorithm simulation, he is based on non-cooperative game theory, achieved through iteration)

Modelo de dos rayos de Andrea Goldsmith (figura 2.5, según expresión 2.12) f = 0.9 frecuencia en GHz landa = 0.3/f en m R = -1 coeficiente de reflexión en tierra ht = 10 altura del transmisor en m hr = 2 altura del receptor en m Gt = 1 Gr = 1 Pt = 1 d=10:.1:100000 phase_diff = 4*pi*ht*hr./(landa*d) aproximación Pr = Pt*((landa/(4*pi))^2)*((abs((sqrt(Gt)./d) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff)))./d)).^2) Pr = Pt*((landa/(4*pi))^2)*(1./d).*((abs((sqrt(Gt)) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff))))).^2) figure(1), clf, plot((d),10*log10(Pr/max(abs(Pr)))) grid xlabel( log_1_0(d) ) ylabel( Potencia recibida (dBm) )

说明：  rbf神经网络用于回归的matlab程序，修改数值就可适用(rbf neural networks for regression matlab procedures can modify the application of numerical)

16qam的OFDM调制与解调，对ofdm信号的产生过程详细介绍，包含星座图(16QAM OFDM modulation and demodulation, ofdm signal generation process is described in detail, contains the constellation of FIG.)

图论中的最小生成树模型，基于MATLAB实现(The minimum spanning tree graph theory model, based on MATLAB implementation)

说明：  这是一个工具，使用MATLAB代码为一个由阿尔伯塔大学的Siting Liu开发的硬件Sobol序列生成器生成VHDL文件。(This is a tool that uses MATLAB code to generate VHDL files for a hardware Sobol sequence generator developed by Siting Liu at the University of Alberta.)

分别设计理想低通滤波器、巴特沃思滤波器、指数滤波器、梯形低通滤波器,并对含高斯噪声的图像进行低通滤波，截止频率自选，观察不同的截止频率,不同的滤波器的滤波效果。(Were designed for the ideal low pass filter, Butterworth filter, exponential filter, ladder low-pass filter, and Gaussian noise images with low-pass filter cutoff frequency chosen to observe the different cut-off frequency, different filter filtering device.)

仿真五星红旗运动 体现了其强大的仿真功能 很炫(The simulation of the five-star red flag movement of its powerful simulation capabilities shining)

npk permutation selecting k at a time out if n