对下面文章重点段落进行翻译原文和翻译都要给出选取三段文字进行翻译满足信、达、雅的翻译要求Intermodulation Distortion of a BipolarCommon-Emitter Amplifier With Arbitrary EmitterImpedance and Input Matching Network

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原文：Intermodulation distortion (IMD) of a bipolar common-emitter amplifier with arbitrary emitter impedance and input matching network is studied.

翻译：本文研究了具有任意发射极阻抗和输入匹配网络的双极晶体管共发射极放大器的交调失真问题。

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原文：It is shown that the emitter impedance has a significant effect on the IMD performance of the amplifier, and that the use of an input matching network can improve the IMD performance.

翻译：研究表明，发射极阻抗对放大器的交调失真性能有显著影响，而使用输入匹配网络可以改善交调失真性能。

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原文：Optimum design of the input matching network is discussed and it is shown that a series LC network is the most suitable.

翻译：本文讨论了输入匹配网络的最佳设计，并指出串联LC网络最为适用