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引用本文：

刘锋.基于DD-LLMS算法的盲自适应判决反馈均衡器[J].电讯技术，2004，44（6）：150 - 153. [点击复制]
.Blind Adaptive Decision Feedback Equalizers Based on DD-LLMS Algorithm[J].，2004，44（6）：150 - 153. [点击复制]

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基于DD-LLMS算法的盲自适应判决反馈均衡器

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摘要:

本文把用于自适应线性滤波器的LLMS算法推广到盲判决反馈均衡器，并应用于短波信道的盲均衡。仿真结果表明这种DD—LLMS盲判决反馈均衡算法具有很好的稳定性、较快的收敛速度和较好的跟踪性能。

关键词: 短波通信 DD—LLMS算法盲判决反馈均衡器收敛性能

DOI：10.3969/j.issn.1001-893X.

基金项目:

Blind Adaptive Decision Feedback Equalizers Based on DD-LLMS Algorithm

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Abstract:

LLMS(Leaky Least Mean Square) algorithm used to adaptive linear filters is generalized to blind decision feedback equalizer, and applied to blindly equalize the CCIR-549-2 "poor path" channels. Simulation results show the DD-LLMS(Decision Directed-LLMS) blind decision feedback equalization algorithm has better stability, fast convergence rate and good tracking ability.

Key words: High frequency communication,DD-LLMS algorithm,Blind decision feedback equalizer,Convergence behavior