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dct

于 2012-05-27 发布 文件大小:1159KB
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代码说明:

  DCT变换,基于matlab的变换程序,可调用(DCT, matlab-based transformation program, call)

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  • RGLS
    该算法用于自回归输入模型,是一种迭代的算法。其基本思想是基于对数据先进行一次滤波处理,后利用普通最小二乘法对滤波后的数据进行辨识,进而获得无偏一致估计。但是当过程的输出信噪比比较大或模型参数较多时,这种数据白色化处理的可靠性就会下降,辨识结果往往会是有偏估计。数据要充分多,否则辨识精度下降。模型阶次不宜过高。初始值对辨识结果有较大影响。(The algorithm used for autoregressive input model, it is a kind of iterative algorithm. The basic idea is based on data to conduct a filtering processing, after using ordinary least square method to identify the data filter, and then obtain unbiased consensus estimates. But when the process output signal-to-noise ratio is larger or model parameters are too, this kind of data white processs reliability will drop, identification results tend to be biased estimate. Data should fully, otherwise the identification accuracy down. Model order time shoulds not be too high. Initial value to identification results have great influence on.)
    2012-12-28 16:04:47下载
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  • Smith
    传输线的工作状态波形,包括行波和驻波,当参数改变时,传输线的工作状态也因此而改变(The operating state of the waveform of the transmission line, including traveling wave and standing wave, when the parameter is changed, the working status of the transmission line can also be changed)
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    经典书籍《模式分类》杜达编写,包含了其中所有的算法的MATLAB代码,有助于大家对算法的学习。(Classic books " classification" Duda preparation, which contains all of the algorithm MATLAB code, help you learn the algorithm.)
    2013-07-12 08:53:26下载
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    2012-07-18 20:51:54下载
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