For behavioral model approaches, polynomial, or Volterraseries for memory, is the most common function which is used to fit nonlinearity of power amplifiers.
而采用多项式结构描述放大器的特性是行为模型研究中最主要的方法。
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In this paper, Volterraseries analysis is applied to investigate the harmonics in a circuit containing single-phase transformer with nonlinear characteristics.