The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital sig nal processing techniques.

• 根据功放的实测AM-AM、AM-PM特性,采用时域分析方法,并应用带通非线性理论和数字信号处理技术,分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。