Study of adaptive multi-narrowband notch filters algorithm based on Gray-Markel structure

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (5): 146-148.

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Study of adaptive multi-narrowband notch filters algorithm based on Gray-Markel structure

CAI Naixiao，LIU Heng，LI Juan

College of Information and Engineering，China Agricultural University，Beijing 100083，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-02-11 Published:2011-02-11

基于Gray-Markel结构的多点自适应陷波算法研究

蔡乃小，刘珩，李娟

中国农业大学信息与电气工程学院，北京 100083

Abstract

Abstract: In order to effectively suppress the narrow-band interference in short-wave communications，this paper presents an improved adaptive multi-narrowband lattice notch filters algorithm，which is based on the structure of Gray-Markel notch filter and uses LMS-Newton iteration to update parameters of notch filters.The simulation results show that this algorithm has a good convergence and robustness.

Key words: short-wave communication, narrow-band interference, adaptive, notch filter

摘要： 为了有效抑制短波通信中的窄带干扰，提出了一种改进的格型自适应多点陷波算法。该算法在Gray-Markel结构陷波器基础上，采用LMS-Newton迭代不断地更新陷波器参数。实验结果表明，算法具有比较理想的收敛性和鲁棒性。

关键词: 短波通信, 窄带干扰, 自适应, 陷波器

CAI Naixiao，LIU Heng，LI Juan. Study of adaptive multi-narrowband notch filters algorithm based on Gray-Markel structure[J]. Computer Engineering and Applications, 2011, 47(5): 146-148.

蔡乃小，刘珩，李娟. 基于Gray-Markel结构的多点自适应陷波算法研究[J]. 计算机工程与应用, 2011, 47(5): 146-148.

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Study of adaptive multi-narrowband notch filters algorithm based on Gray-Markel structure

基于Gray-Markel结构的多点自适应陷波算法研究

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