| LMS算法的收敛与步长选取 |
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| 引用本文： | 裴炳南. LMS算法的收敛与步长选取[J]. 通信学报, 1994, 0(4) |
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| 作者姓名： | 裴炳南 |
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| 作者单位： | 郑州大学 |
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| 摘 要： | 文章提出了ＬＭＳ算法收敛的新概念，并从梯度谱分析的观点探讨了算法的收敛过程，指出步长选取应使算法具有低通性。据此，文章从失调量的准确表达式出发，导出了计算步长的公式。计算机模拟结果表明，按本文方法计算步长可获得满意的失调量，并具有较强的抗信号波动能力。
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| 关 键 词： | 收敛，谱分析，稳态失调，算法步长 |
On Convergence and Selecting Step-Size for LMS Algorithm |
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| Pei Bingnan. On Convergence and Selecting Step-Size for LMS Algorithm[J]. Journal on Communications, 1994, 0(4) |
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| Authors: | Pei Bingnan |
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| Abstract: | A new conception on the convergence of LMS algorithm is suggested in this paper. and the converged process of the algorithm is also studied from the viewpoint of analysing gradient spectrum.It is pointed out that the selecting of step-size should make the algorithm have low-pass property. from this point, the formula for calculating the step-size of the algorithm is gotten based on exact expression of the misadjustment. the simulated result by computer puts light out that the misadjustment pleased and its property of nonsensitivity to the variance of singal received are achieved by adopting the methed presented in this paper, which is suitable to calculate the stepsize. |
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| Keywords: | convergence spectrum analysis stead-state misadjustment the algorithm step-size |
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