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FIR1

于 2011-05-30 发布 文件大小:1KB
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  -给原始的语音信号加上一个高频余弦噪声,频率为5kHz。画出加噪后的语音信号时域和频谱图--(- To the original speech signal with a high-frequency cosine noise, frequency of 5kHz. Draw the speech signal with noise after the time-domain and frequency spectrum-)

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