| 利用自适应与同态滤波抵消话音频段数据通信中回波的方法 |
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| 引用本文： | 吴志军.利用自适应与同态滤波抵消话音频段数据通信中回波的方法[J].中国民航学院学报,1997,15(1):22-32. |
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| 作者姓名： | 吴志军 |
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| 作者单位： | 中国民航学院电子工程系 |
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| 摘 要： | 就话音频段数据通信中利用自适应滤波器和同态滤波器的方法消除回波干扰的基本原理进行了描述，介绍了采用ＤＳＰ技术的滤波器的设计方法，并给出了硬件实现结构。
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| 关 键 词： | 自适应滤波器，同态滤波器，回波 |
^ A Method of Gountercting the Eches in the Voice Frequency Band in Data Communication by Making Use of Adaptive and Homomorphic Filters |
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| Wu Zhijun.^ A Method of Gountercting the Eches in the Voice Frequency Band in Data Communication by Making Use of Adaptive and Homomorphic Filters[J].Journal of Civil Aviation University of China,1997,15(1):22-32. |
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| Authors: | Wu Zhijun |
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| Institution: | Department of Avionics Engineering CAIC Tianjin 300300 |
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| Abstract: | The paper gives an acoount of the basic principles on which the adaptive andhomomorphic filters are used to counteract the interference of echoes in the voice frequency bandin data communication and makes an introduction to the design of the filter with the DSP tech- nology as well as the hardware structure for its realization. |
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| Keywords: | adaptive filter homomorphic filter echo |
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