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zuihou
bpsk调制的完全调制解调过程仿真包括误码率,信号功率谱(bpsk complete modem modulation process)
- 2010-05-14 10:50:19下载
- 积分:1
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DSPII_USTC_01
传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.下图是用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。该代码实现了以下功能:
1) 借助MATLAB画出了滤波器的误差性能曲面和误差性能曲面的等值曲线;
2) 给出了最陡下降法以及LMS算法的计算公式;
3) 用MATLAB产生了方差为0.05, 均值为0白噪音S(n),并画出某次采样得到的波形;
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了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;
5)用MATLAB计算并画出了LMS法时误差随时间n的变化曲线(对应S(n)的某一次的一次实现)和e(n)波形;
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;
7)最终对结果进行了分析,具体见压缩包的word文档。
(Wideband signal in the conventional sinusoidal interference suppression method is the use notch filter (notch filter), this requires precise knowledge of the frequency of a sinusoidal interference . However, when the interference frequency sinusoidal changes slowly , and the selected frequency characteristic requirements are very sharp , then best use of adaptive noise cancellation method . following figure is a second-order FIR LMS adaptive filter to eliminate a program sinusoidal interference . The code implements the following functions:
A ) draw with MATLAB error performance of the filter surface and the surface contour error performance curve
2 ) gives the steepest descent method and the LMS algorithm formula
3 ) generated using MATLAB variance of 0.05 with a mean of 0 white noise S (n), and draw a particular sampling waveform
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 pl)
- 2013-11-06 13:12:36下载
- 积分:1
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Newton
说明: 用Newton迭代法求解方程的根,用matlab实现(Newton iterative method for solving equations with roots, using matlab implementation)
- 2010-04-04 17:44:59下载
- 积分:1
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lst
The processing of satellite imagery can be used to calculate the surface temperature of band 6
- 2014-08-13 22:52:35下载
- 积分:1
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kKKKKpca
pca用于对TE的过程故障诊断中,很好用的一个程序。希望采纳(pca for process fault diagnosis of TE, the good use of a program. Wish to adopt)
- 2011-10-20 22:37:08下载
- 积分:1
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Gseidel
Main program with a data file for the resolution of a system Ax=b
The data file contents the dimension n and the values of the matrix A and the vector b.
- 2014-12-02 21:30:08下载
- 积分:1
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dtc_pmsm
Matlab永磁同步电机直接转矩控制 很好用的SVPWM(PMSM dtc)
- 2015-01-22 13:58:05下载
- 积分:1
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Vccallmatlabdll
vc调用matlab的例子,亲,使用起来非常方便哦(
vc call matlab example, pro, very convenient oh)
- 2016-06-13 14:49:04下载
- 积分:1
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RIV
RIV算法 系统辨识源程序 供大家参考(RIV algorithm for system identification source for reference)
- 2010-05-19 10:33:12下载
- 积分:1
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spectral_efficiency
Computing the spectral efficiency of the STBC
- 2012-09-09 18:40:30下载
- 积分:1