The multipass amplification characters of the chirped pulse in gain medium were studied with the Schrdinger equation and population equation.

利用非线性薛定谔方程和速率方程，研究了啁啾脉冲在增益介质中多程放大的特性。

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Combined with wide band current feedback amplifier, FET input circuit and programmable circuit, variable gain amplification circuit with high speed and high input impedance is designed.

并以宽带电流反馈运算放大器为核心，辅以FET输入电路及程控电路构建了高速高输入阻抗可变增益放大电路。

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Materials with light amplification is a main part of light amplifier, which determine the power efficiency and flat gain bandwidth of light amplifier.

光放大材料是光放大器的重要组成部分，它决定光放大器的光放大功率及平坦增益带宽。

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Moses says that together with emerging laser amplification technology that is less power hungry, and the huge energy gain from the fission reaction, a combo reactor would deliver 200 times the energy it consumes.

FORBES: A Nuclear Hybrid