| DTMF信号的产生与解码算法研究 |
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| 引用本文： | 戴虹.DTMF信号的产生与解码算法研究[J].信息技术,2008,32(11). |
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| 作者姓名： | 戴虹 |
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| 作者单位： | 上海第二工业大学电子与电气工程学院,上海,201209 |
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| 摘 要： | 提出用下列四种算法对由软件产生的DTMF信号进行解码:FFT算法,DFT算法,卷积法,迭代法.对上述解码算法的实验结果进行了分析和比较,并揭示了它们之间的内在联系.
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| 关 键 词： | 卷积 频谱分析 |
Research on the generation and decoding algorithms of DTMF signal |
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| DAI Hong.Research on the generation and decoding algorithms of DTMF signal[J].Information Technology,2008,32(11). |
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| Authors: | DAI Hong |
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| Affiliation: | DAI Hong(School of Electronic , Electrical Engineering,Shanghai Second Polytechnic University,Shanghai 201209,China) |
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| Abstract: | Four algorithms are proposed to decode the DTMF signal generated by software in this paper:FFT Algorithm,DFT algorithm,Convolution algorithm and iterative algorithm.The results are analyzed and compared with each other,and the internal relations among them are revealed. |
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| Keywords: | DTMF FFT DFT |
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