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ofdmsymbol_fft_cp
是有关ieee.802.16m里PFBCH的有关代码(Is the relevant code ieee.802.16m in PFBCH)
- 2011-10-28 14:01:50下载
- 积分:1
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DSP
任务:
1) 借助MATLAB画出误差性能曲面和误差性能曲面的等值曲线(参考PPT2.1第17页的两幅图);
2) 写出最陡下降法以及LMS算法的计算公式(取 );
3) 用MATLAB产生方差为0.05, 均值为0白噪音S(n),并画出某次采样得到的波形(即产生任意一个噪声随机序列);
4) 根据 2)中的公式,并利用 3)中产生的S(n),在 1)中的误差性能曲面的等值曲线上叠加画出采用最陡下降法以及LMS法时H(n)的在叠代过程中的轨迹曲线(参考PPT2.1第17页的右下图的曲线1和曲线2)。
5)用MATLAB计算并画出LMS法时 随时间n的变化曲线(对应S(n)的某一次的一次实现)和e(n)波形;
注意:某一次实现的结果并不能从统计的角度反映实验的结果 的正确性,为得到具有统计特性的实验结果,可用足够多次的 实验结果的平均值作为实验的结果。用MATLAB计算并画出 采用LMS法时,J(n)的100次实验结果的平均值随时间n的变 化曲线(即 生成随机噪声信号并计算结果,重复执行100次, 求平均结果)。
6)在 1)中的误差性能曲面的等值曲线上,叠加画出采用LMS法得到的100次实验中的H(n)的平均值的轨迹曲线;
(Task:
1 ) Draw with MATLAB error performance surface and surface contour error performance curve ( refer PPT2.1 two chart on page 17 )
2 ) Write the steepest descent method and the LMS algorithm formula ( take )
3 ) Using MATLAB to generate variance of 0.05 with a mean of 0 white noise S (n), and draw a particular sampling waveform ( ie, any noise generated random sequence )
4 ) based on 2 ) of the formula , and use 3 ) generated in S (n), in a ) the error performance curves superimposed on the surface contour plot using the steepest descent method and the LMS method when H (n) the iterative process in the trajectory curve ( refer PPT2.1 page 17 bottom right of the curves 1 and 2 ) .
5 ) using MATLAB LMS method is used calculate and draw the curve with time n (corresponding to S (n) of a first implementation of a ) and e (n) waveform
Note : in a first implementation of the results are not reflected from a statistical point of view of accuracy of the experimental results ,)
- 2013-11-08 20:09:06下载
- 积分:1
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关联维
说明: 计算时间序列的关联维,可评价时间序列的相关性(The correlation dimension of time series can be calculated and the correlation of time series can be evaluated)
- 2020-06-16 14:00:01下载
- 积分:1
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mygm
用matlab实现灰色序列预测GM(1,1),其中级比的判断采用手工判断。(Using matlab to achieve gray sequence prediction GM (1,1), one class than the judge to determine manually.)
- 2008-05-08 22:19:47下载
- 积分:1
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homework
this file is usefull for all student
- 2012-10-12 15:55:56下载
- 积分:1
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Total-Variation-Method
Image inpainting using partial differential equations
- 2015-04-19 00:05:15下载
- 积分:1
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AFSA
说明: 人工鱼群算法的matlab代码实现,优化函数(AFSA,Matlab code implementation and optimization function of artificial fish swarm algorithm)
- 2020-12-08 20:49:20下载
- 积分:1
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multipath_1
此为双通道的瑞利衰落信道的仿真,使用MATLAB完成。(This is the dual-channel Rayleigh fading channel simulation, the use of MATLAB to complete.)
- 2008-03-17 09:33:32下载
- 积分:1
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ControlSys
用vc调用matlab7.0写的小程序,可以实现简单的控制系统仿真演示(with vc call matlab7.0 write small programs, can achieve a simple control system simulation demo)
- 2005-07-26 17:46:32下载
- 积分:1
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Gauss
高斯白噪声信道的仿真,自己写得,可以运行(Gauss channel)
- 2009-04-05 19:03:30下载
- 积分:1