同济大学
纸质出版:1988
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[1]罗胜钦,陆明达.稳定的准级联型和并联型自适应IIR滤波器[J].电子学报,1988(06):113-117.
Luo Sheng-qin and Lu Ming-da. The Stable Quasi-cascade and parallel Adaptive ⅡR Filters[J]. Acta Electronica Sinica, 1988, (6): 113-117.
本文提出了稳定的准级联型自适应IIR滤波器SQCAF和稳定的并联型自适应IIR滤波器SPAF。这两种滤波器的参数用投影梯度法校正
从而保证了系统在自适应过程中的稳定性。SQCAF和SPAF不仅具有较低的系数灵敏度
而且可以用一种直接方法形成投影梯度
从而得到比较简便的自适应滤波算法
使SQCAF和SPAF能应用于实时系统。文中给出了计算机模拟实例。
A stable quasi-cascade adaptive ⅡR filter(SQCAF) and a stable parallel adaptive ⅡR tilter(SPAF) are presented in this paper. In the SQCAP and SPAF
the parameters are updated by the gradient projection method so that the system stabilities are guaranteed in adapting. The SQCAF and SPAF have not only the low sensitivties but also a simple method to form the gradient projection with a direct manner so that a simple adapting filtering algorithm can be realized. Therefore
both SQCAF and SPAF are suitable for real time applications. Also
a computer simulation is given.
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