一种新颖的双线性自适应滤波器  

A Novel Bilinear Adaptive Filter

作　　者：赵茂林[1] 赵四化[1] 曾一江[1] 

机构地区：[1]成都工业学院电气与电子工程系,成都611730

出　　处：《微电子学》2013年第5期683-685,共3页Microelectronics

摘　　要：在非线性系统领域,Volterra滤波器作为一种经典的工具得到了广泛的应用。但是这种自适应滤波器的数学计算量非常大,尤其是当滤波器的阶数较大时,其应用往往受到很大限制。为了克服这个缺点,介绍了一种新颖的双线性自适应滤波器。详细分析了该滤波器的收敛性。在系统数学模型、算法和性能方面对该滤波器与Volterra自适应滤波器进行比较。仿真结果表明,这种新颖的滤波器在稳态误差和收敛速率等方面都比Volterra滤波器更优异。Volterra filter is known to be an efficient adaptive filter in a variety of applications for non-linear systems. However, the huge amount of mathematical computation limits its further applications, especially as orders of the filter increase. To overcome this disadvantage of the Volterra filter, a novel adaptive filter based on layered bilinear architecture was proposed, which exhibited better convergence performance in terms of convergence speed and steady-state error, compared with the conventional 2hal-order Volterra filter.

关 键 词：自适应滤波器 非线性系统 双线性滤波器 VOLTERRA滤波器 

分 类 号：TN911[电子电信—通信与信息系统]