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watermark
说明: 图像潜载信息映射技术,基于matlab基础知道编程使之能够在公开图中潜载隐藏另一幅图象。(the technology about translating the image embeded )
- 2010-04-25 01:05:00下载
- 积分:1
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Flow-calculation-program
应用于电力系统网络的潮流计算程序,将网络参数和运行的节点功率等数据(Used in the power system network flow calculation program, the network parameters and operating power and other data nodes)
- 2015-04-21 09:10:34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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91433
Simulation of Autonomous Navigation Mobile Robot
System
- 2015-01-06 04:43:12下载
- 积分:1
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OFDM_simln
Basic Model of Orthogonal Frequency Division MUltiplexing
- 2010-07-22 16:44:06下载
- 积分:1
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MATLAB-GUI
matlab GUI编辑的很好讲解,对初学者很有帮助的文档(matlab GUI,helpful to the newer)
- 2012-03-22 15:39:39下载
- 积分:1
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sinremove
Remove sine wave distortion in image with matlab.
- 2011-10-11 07:23:01下载
- 积分:1
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jianmozhiliao
有关2012全国大学生数学建模竞赛论文,可以让读者提供一些方法和思路。(For papers of the 2012 National Mathematical Contest in Modeling, allows the reader to provide some methods and ideas.)
- 2012-08-13 20:08:18下载
- 积分:1
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Health_manage
Health managment information system (HMIS)
- 2010-07-29 12:53:48下载
- 积分:1
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SOM
说明: som算法 组织神经网络用于图像分割matlab实现(som-organizing neural network algorithm for image segmentation matlab achieve)
- 2008-09-19 22:27:55下载
- 积分:1