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nuifeng

于 2017-01-20 发布 文件大小:5KB
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代码说明:

  一个很有用的程序,音频信号通过LM386放大,小波包分析提取振动信号中的特征频率。( A very useful program, LM386 audio signal amplification, Wavelet packet analysis to extract vibration signal characteristic frequency.)

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