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onlinepractise
matlab的教程,例题,包括数值,符号,图像等运算及答案(matlab tutorials, sample questions, including the values, symbols, images and other computing and answers)
- 2008-04-03 14:39:34下载
- 积分:1
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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
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tuxiangtisheng
图像用小波变换方法来进行分解,再重构,从而再去除噪声(images using wavelet transform method for the decomposition and reconstruction, thereby removing noise)
- 2006-10-19 17:06:38下载
- 积分:1
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crack_Hudson
岩石物理模型建模的另一种方法,同样可以翻译弹性参数与物性参数间的关系。(Another method of rock physics modeling, the same can translation parameters and physical parameters of elastic)
- 2020-10-26 16:29:59下载
- 积分:1
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coop_sensing
code for cooperative sensing
- 2014-01-24 16:14:36下载
- 积分:1
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voice3
program for distribution stimation of speech
- 2010-09-01 18:36:41下载
- 积分:1
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基于MATLAB的储粮害虫图像处理方法
摘要:在对粮虫图像处理过程中,介绍了Matlab图像处理工具箱中的函数,给出了图像处理与分析的技术实现, 边缘检测及轮廓提取, 通过形态学方法进行图像特征抽取与分析,达到了比较好的效果.(Abstract : In the right grain pest image processing, introduced the Matlab toolbox image processing functions, given image processing and analysis technology, edge detection and contour extraction, through morphological methods for image analysis and feature extraction, reached a relatively good results.)
- 2005-06-06 19:41:15下载
- 积分:1
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2
说明: 动态聚类的k均值算法--用k均值算法解决动态聚类问题(Dynamic clustering k-means algorithm- using k-means algorithm to solve the issue of dynamic clustering)
- 2008-07-22 12:06:58下载
- 积分:1
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DPD_sim
Digital Predistortion of Nonlieaner RF Power Amplifier with Memory Effects.
This M code simulates a DPD technique linearization for a AB-class nonlinear HPA with memory effects. Here we consider a memory polynomial predistorter to modeling nonlinearity characteristics and memory effects of a HPA.Simulation procedures divided into three separate parts:
1)Analog imperfection compensation for the direct upconversion transmitter
2)Design a DPD based on a memory polynomial predistorter
3)Performance evaluation via a number of parameters such as:EVM,PSD,SNR,
- 2011-05-19 20:03:25下载
- 积分:1
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pso_svm
粒子群算法优化支持向量机参数,可用于分类(pso svm)
- 2014-11-19 09:52:07下载
- 积分:1