1. 北京邮电学院
2. 电子科技大学
3. 北京邮电学院电子科技大学
纸质出版:1990
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[1]陈锡先,李伟新.准卡尔曼回波消除器递归算法[J].电子学报,1990(02):76-81.
Chen Xixian. A Quasi-Kalman Recursive Echo Cancellation Algorithm[J]. Acta Electronica Sinica, 1990, (2): 76-81.
本文提出的准卡尔曼回波消除器递归算法
能够快速捕捉二线全双工数据传输系统中回波信道的脉冲响应。文中重点讨论了新算法的收敛特性
并用计算机作了模拟。研究结果表明:所提方案能够达到或接近卡尔曼滤波算法的收敛性能;和随机梯度算法相比
它具有收敛速度快
算法简单的优点。
This paper describes a Quasi-Kalman recursive echo cancellation algorithm for fast acquisition of echo paths on two-wire full-duplex data transmission system. A theoretical analysis of the adaptation and convergence properties of the canceler is given and is verified by the computer simulations. The results show that the new scheme has almost the same performance as that of the original Kalman filter. In comparison with the stochasticgradient algorithm
it shows substantial improvements in transient behavior without increasing the computational efforts.
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