RLS自适应滤波器在短波功放系统建模中的应用

为克服现有的实际短波功放模型不能很好的处理其本身固有的非线性的缺憾,本文基于实测短波功放系统的I/O数据样本,通过采用记忆多项式模型,结合RLS自适应滤波器,为短波功放构建了一种合适精确的非线性模型,并对短波宽带功放非线性特性进行了分析。实测数据建模结果表明该方法能较好地模拟短波功放的记忆效应和非线性效应。

Application of RLS Adaptive Filter to HF Power Amplifier System Model

The actual HF power amplifier model can not have the good treatment available to deal with the intrinsic nonlinear,and to overcome the defects,Combing the memory polynomial model with RLS adaptive filter,this paper constructs a suitable for shortwave power amplifier precise nonlinear model,based on the I/O measured data,and analysis also given to the nonlinear characteristics of HF wideband amplifier.The measured data modeling results show that the proposed method can well simulate the memory effect and nonlinear effect of the HF power amplifier.