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可变数据重用因子仿射投影算法 被引量：1

Affine projection algorithm with variable data-reuse factor
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摘要 从修改传统仿射投影算法(Affine Projection Algorithm,APA)的约束条件出发,推导出了一种新的可变数据重用因子仿射投影算法。该算法解决了传统APA算法收敛速度与稳态失调和计量复杂度之间的矛盾,实现了在初始阶段数据重用因子大,收敛后数据重用因子小的目标。仿真结果表明该算法最终达到了高数据重用因子APA的收敛速度和NLMS算法的计算量和稳态失调。 Based on the changed constraint condition of Affine Projection Algorithm（APA）,a novel APA with variable datareuse factor is proposed.The confliction between covergence speed and misalignment or computational complexity is successfully solved.At the beginning of the algorithm a large data-reuse factor is achieved while a small one is achieved after the algorithm has converged.Simulations show the proposed algorithm has as fast convergence speed as APA with high data-reuse factor while its misalignment and computational complexity are as low as NLMS algorithm.
作者 彭最亮 李锋
机构地区 复旦大学电子工程系
出处 《计算机工程与应用》 CSCD 北大核心 2011年第26期159-161,共3页 Computer Engineering and Applications
关键词 仿射投影算法 可变数据重用因子 收敛速度 稳态失调 计算量 affine projection algorithm variable data-reuse factor convergence speed misalignment computational complexity
分类号 TN911.72 [电子电信—通信与信息系统]
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参考文献7

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二级参考文献10

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共引文献7

同被引文献7

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计算机工程与应用
2011年 第26期

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