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bangnai

于 2020-06-29 发布 文件大小:5KB
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代码说明:

  详细画出了时域和频域的相关图,音频信号通过LM386放大,用于建立主成分分析模型。( Correlation diagram shown in detail the time domain and frequency domain, LM386 audio signal amplification, Principal component analysis model for establishing.)

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