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juanji

于 2010-04-13 发布 文件大小:1KB
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说明:  用matlab实现了通信中经常用的卷积编码,并对其性能进行了分析(Matlab implementation of the communication with the regular use of convolutional coding and its performance is analyzed)

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  • cut_sample
    说明:   使用二分法对样本集进行剪辑,剪辑法的思想,就是将样本集分成训练集与考试集, 利用训练集样本对考试集的样本进行分类(使用近邻法),如果考试集中某个样本分类错误的话,将这个样本删除。在该函数中,使用最近邻法,只进行一次剪辑(遍历完考试集中的样本以后退出)。还有一种重复剪辑法(适用于样本比较多的情况),把样本随机分为多个样本集,将相邻的两个样本前一个作为考试集,后一个作为训练集,调用二分剪辑。所有的样本子集剪辑完毕以后,在递归调用,直到没有样本被剪辑掉,没得讲,重复剪辑的效果肯定好一些。 (The sample sets using the dichotomy of the clips, editing law idea is to sample set into training set and test set, using the training set samples to the test set of samples (using the nearest neighbor algorithm), if the examination focused on a sample of classification error then delete this sample. In the function, use the nearest neighbor method, only once clips (focused on a sample of traversal finished after the exit exam). There is also a repeat clip method (samples are more applicable to the case), the samples were randomly divided into multiple sample set, the two adjacent samples of the former one as a test set, the latter one as a training set, call the two sub-clips. All the samples were a subset of the clips after they have finished, in the recursive call, until there are no samples were clip out, did not have to say that the effect of repeated clips definitely better.)
    2010-03-19 11:13:13下载
    积分:1
  • theMATLABprogram
    说明:  MATLAB关于遗传算法的几个经典实例,需要的就下吧(MATLAB Genetic Algorithm on a few classic examples of needs on the next bar)
    2009-09-02 08:02:53下载
    积分:1
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    双馈风机(DFIG)在matlab/simulink中的dq模型(the dq-model of DFIG in matlab/simulink)
    2015-07-24 10:58:12下载
    积分:1
  • psnr
    计算噪声图像的信噪比,matlab算法程序(Calculate the noise image signal to noise ratio, matlab algorithm program)
    2010-06-07 16:11:05下载
    积分:1
  • change
    this code, sobel detection for edge detection.
    2010-11-10 09:59:03下载
    积分:1
  • griddataexam
    插值与拟合,griddataexam,matlab经典算法的程序 数学类(griddataexam)
    2010-09-14 09:29:31下载
    积分:1
  • QAM_64
    MATLAB coding for 64 QAM is given
    2011-10-18 17:10:58下载
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  • main_spl
    输入声音信号,分别在时域和频域计算声压级(Input sound signal, the sound pressure level were calculated in the time domain and frequency domain)
    2021-03-02 10:49:33下载
    积分:1
  • ShowFrequency
    采用Matlab仿真,实时对麦克风话筒进行语音采集,并进行实时时域和频域分析,描绘频谱图和时域图形。(Using Matlab simulation, real microphone microphone for voice capture, and real-time domain and frequency domain analysis, spectral and temporal depicting graphic.)
    2021-04-18 19:38:57下载
    积分:1
  • power_harmonicfilter
    it is used to eliminate the harmonic distortion due to non linear load. By Saravanan.J
    2009-12-28 17:48:24下载
    积分:1
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