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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。
According to the measured AM-AM and AM-PM characteristics of the power amplifier, the time-domain analysis method is adopted, and the nonlinear distortion characteristics of the RF power amplifier excited by the broadband digital modulation signal are analyzed by using the band-pass nonlinear theory and the digital signal processing technology.