射频功率放大器的非线性失真会使其产生新的频率分量，如对于二阶失真会产生二次谐波和双音拍频，对于三阶失真会产生三次谐波和多音拍频。这些新的频率分量如落在通带内，将会对发射的信号造成直接干扰，如果落在通带外将会干扰其他频道的信号。为此要对射频功率放大器的进行线性化处理，这样可以较好地解决信号的频谱再生问题。
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非线性放大器对发射信号的影响，与调制方式密切相关。
Non - linear amplifier on the transmIt 'signal of the impact is closely related with the modulation method.
核信号处理电路主要由线性放大器和脉冲成形电路构成。
Nuclear signal processing circuit mainly consists of linear amplifier and pulse shaped-circuit.
提出了一种光电耦合线性放大器，对其进行了分析和实验。
A new kind of linear amplifier has been developed and analyzed. And an experiment has been performed on it.
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