| 现代移动数字通信中的VAD算法研究 |
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| 引用本文： | 祝延波. 现代移动数字通信中的VAD算法研究[J]. 青海大学学报, 2009, 27(2) |
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| 作者姓名： | 祝延波 |
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| 作者单位： | 青海民族学院电子工程与信息科学系,青海,西宁,810007 |
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| 摘 要： | 分析了各种VAD算法,研究了小波去除噪声技术和门限值设定对VAD算法的影响,设计了一种优化的基于短时能量和过零率的VAD算法并实现了基于Matlab的仿真。
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| 关 键 词： | VAD 小波 短时能量 过零率 |
Study on the VAD algorithm in modern mobile digital communication |
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| ZHU Yan-bo. Study on the VAD algorithm in modern mobile digital communication[J]. Journal of Qinghai University(Natural Science), 2009, 27(2) |
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| Authors: | ZHU Yan-bo |
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| Affiliation: | Department of Electronic Engineering & Information Science;Qinghai Nationalities College;Xining 810007;China |
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| Abstract: | The VAD various algorithms are analyzed in this paper and the influence of the wavelet noise eliminating technology and the threshold setting on the VAD algorithms are studied too.An optimum VAD algorithm based on the shorttime energy and zero-cross rate is designed and then the simulation on it is realized on Matlab. |
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| Keywords: | VAD |
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