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- 瑞丽信道仿真 噪声信号由MATLAB函数randn(1,N)产生，它从均值为0、方差为1的正态分布中产生N个伪随机数。每次迭代时，要使用相应的标准差对噪声的幅度进行尺度变换，最后，将输入信号和噪声信号相加得到输出信号。-Ruili channel simulation noise signal by the MATLAB function randn (1, N) generated, which from the mean 0, variance for a normal distribu
CISQPSK
- 采用重要性采样的方法来代替蒙特卡罗仿真方法，确定数字通信系统的BER。重要性采样方法可以简单的增加信道噪声的方差，等效于使系统工作在一个较低的信噪比的环境下。-Using importance sampling method to replace the Monte Carlo simulation method to determine the digital communication system BER. Importance sampling method can be a simpl
burg
- 全极点建模的Burg算法； 产生卷积矩阵； 产生协方差矩阵； 全极点建模的协方差法； MA过程的Durbin法。-All-pole modeling of the Burg algorithm generate convolution matrix generated covariance matrix all-pole modeling of the covariance method MA process, Durbin method.
dsp3
- 功率谱密度估计。welch法功率谱密度估计，协方差法估计，Burg法估计。-psd estimate。welch，covariance，Burg。
MMSE_fse
- 信道估计中MMSE算法的仿真，以及估计均方差的仿真。-MMSE channel estimation algorithm simulation, and the estimated average simulation variance.
atmosphere---BER-Ka-satellite-
- 大气和波束抖动对Ka和毫米波卫星通信误码率的影响,还有一部分闪烁方差和传播距离的关系程序-Atmospheric and beam jitter Ka and millimeter-wave satellite communication error rate, as well as the relationship between the program and part of the scintillation variance propagation distance
Ruilifenbu
- 产生瑞利分布的随机数,并且通过改变方差的值来改变随机数的图形-Generate a random number of Rayleigh distribution, and by changing the value of the variance to change the random number of graphics