| 一种全双工模拟话密系统的自适应回波抵消器 |
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| 引用本文： | 王耀勋,陈国璋,易波.一种全双工模拟话密系统的自适应回波抵消器[J].国防科技大学学报,1991,13(4):27-30. |
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| 作者姓名： | 王耀勋 陈国璋 易波 |
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| 作者单位： | 国防科技大学电子技术系
(王耀勋，陈国璋)，国防科技大学电子技术系(易波) |
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| 摘 要： | 文中介绍一种全双工模拟话密系统的自适应回波抵消器,该抵消器用块修正方法更新横向滤波器的系数。这种方法的收敛性能和计算效率均优于标准的最小梯度算法,且满足国际电报电话咨询委员会(CCITT)建议的回波抵消器要求G.165.
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| 关 键 词： | 模拟通信 自适应回波抵消器 话音加密 |
| 收稿时间： | 1991/2/11 0:00:00 |
An Adaptive Echo Canceller in Full-Duplex Analog Speech Secure System |
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| Wang Yaoxun,Chen Guozhang and Yi Bo.An Adaptive Echo Canceller in Full-Duplex Analog Speech Secure System[J].Journal of National University of Defense Technology,1991,13(4):27-30. |
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| Authors: | Wang Yaoxun Chen Guozhang and Yi Bo |
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| Institution: | Department of Electronic Technology |
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| Abstract: | The paper introduces an adaptive echo canceller in full-duplex analog speech secure system.The implementation of the canceller is made possible by using a block-update method to updatethe transversal filter coefficients.The method has advantages in convergence properties and com-putational efficiency over the standard mininum gradient algorithm.It also meets the echo can-celler requirements of the CCITT G.165 recommentlation. |
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| Keywords: | analog communication adaptive echo canceller speech secure |
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