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astro

于 2010-08-03 发布 文件大小:550KB
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  geologie fousil par ikar

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  • wave
    it is used to remove noise from images
    2009-04-15 23:05:59下载
    积分:1
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    When we decimate the signal, only the sampling rate decreases but the frequency content remains same
    2010-05-07 00:03:10下载
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    纯电动汽车电机驱动系统控制策略研究.建立了电动汽车行驶过程中的动力学模型,采用了模糊控制和pid控制的策略。(Pure electric vehicle motor drive system control strategy. Established electric vehicle in the dynamic model, fuzzy control and pid control strategy.)
    2010-05-07 17:42:39下载
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  • ji2-fft
    通过基2 实现fft变换 可自定义输入变量 带有详细注释(Achieved through the radix-2 fft transform the input variables can be customized with detailed notes)
    2011-10-27 15:36:16下载
    积分:1
  • svd
    tsvd 截断奇异值分解 相比较奇异值分解,有很好的抗干扰能力(The singular value decomposition of TSVD truncated singular value decomposition has good anti-interference ability.)
    2021-03-22 22:29:15下载
    积分:1
  • MATLABforGUIdesign
    说明:  介绍了一种荃于MATLAB数字信号处理工具箱、MATLAB数据分析和MATLAB圈形对 象的时变数字信号瞬时频率枯计方法。这种方法利用时频分析结果来估计信号的麟时频率,其 中涉及时频分析、滤波、曲线拟合辞多种处理过程。处理过程的编程实现封较于用户界面上作 为文互工具的控件中,由用户通过交互界面逐步完成估计瞬时预率的工作.(Tsuen introduced a digital signal processing in the MATLAB toolbox, MATLAB and MATLAB data analysis of ring-shaped object digital signal time-varying instantaneous frequency of dry method. This method using the results of time-frequency analysis to estimate the signal frequency CHU, which involves time-frequency analysis, filtering, curve fitting a variety of speech processing. Programming process to achieve closure on the user interface than the text of each other as a control tool, by the user interface step by step through the completion of pre-estimated instantaneous rate of work.)
    2009-08-14 12:13:10下载
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  • A200805-187
    去噪处理是图像处理中较为重要的环节。中值滤波是抑制图像的噪声的一个行之有效的办法,选择适当大小的中值滤波窗口可以在最大限度的保持图像精度的基础上去除图像噪声。本文在对中值滤波去噪算法的适用性特点进行研究的基础上,进一步研究了中值滤波去噪算法,同时对其他去噪算法,如均值滤波、低通滤波的小波变换进行分析研究,并做了相应的比较。(Noise reduction is one of the most important parts of image processing. Median filtering is a proven way to remove image noise. To select the appropriate size of the window can maximize to remove image noise on the basis of maintaining the accuracy of the image. On the basis of investigating the application of the median filtering algorithm denoising characteristics, we do further study of the median filtering algorithm denoising. At the mean time we analyzed the mean filtering and wavelet transform algorithm, and compared them.)
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    2012-02-14 01:09:02下载
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    2012-04-21 11:15:17下载
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    2009-02-04 02:20:24下载
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