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- W3115300130 abstract "针对非高斯环境下一般自适应滤波算法性能严重下降问题, 本文提出了一种基于Softplus函数的核分式低次幂自适应滤波算法(kernel fractional lower algorithm based on Softplus function, SP-KFLP), 该算法将Softplus函数与核分式低次幂准则相结合, 利用输出误差的非线性饱和特性通过随机梯度下降法更新权重. 一方面利用Softplus函数的特点在保证了SP-KFLP算法具有良好的抗脉冲干扰性能的同时提高了其收敛速度; 另一方面将低次幂误差的倒数作为权重向量更新公式的系数, 利用误差突增使得权重向量不更新的方法来抵制冲激噪声, 并对其均方收敛性进行了分析. 在系统辨识环境下的仿真表明, 该算法很好地兼顾了收敛速度和跟踪性能稳定误差的矛盾, 在收敛速度和抗脉冲干扰鲁棒性方面优于核最小均方误差算法、核分式低次幂算法和S型核分式低次幂自适应滤波算法." @default.
- W3115300130 created "2021-01-05" @default.
- W3115300130 date "2020-01-01" @default.
- W3115300130 modified "2023-10-17" @default.
- W3115300130 title "Kernel adaptive filtering algorithm based on Softpuls function under non-Gaussian impulse interference" @default.
- W3115300130 doi "https://doi.org/10.7498/aps.70.20200954" @default.
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