The coupling efficiency of the amplifier and the factors affecting the output power improvement are investigated.
研究光纤放大器的耦合效率以及影响输出功率的因素。
The results of experiment indicate: the laser amplifier with side-directly-pumped coupling system has uniform pump light distribution and gain distribution.
实验结果表明：采用侧面直接抽运耦合系统的激光放大器有均匀的抽运光分布场和增益分布场。
The gain of the amplifier is also given in terms of the coupling factor and the normalized negative conductance, the relationship between the gain and the effective noise figure is thus found.
因为放大器的增益也可用耦合系数和规一化负电导来表示，因此在增益和有效噪声间获得一个单值关系式。
Firstly, the nonlinear coupling effects of the microwave amplifier are analyzed.
首先用时域法分析了该微波放大器的非线性耦合效应。
In order to improve both charge current and transfer efficiency via a lower coupling coefficient inductive link, class E power amplifier based on primary leakage inductance and compensat.
在低耦合系数条件下 ，通过基于初级漏感的E类功率放大器和次级漏感的补偿方法 ，提高电容充电电流和传输效率。
A multi-channel charge amplifier can be configured by coupling together a maximum of 16 units and 32 channels.
多通道电荷放大器可以配置的耦合在一起最多的16个单位和32个频道。
While optical fiber Raman laser (RFL) can be a good pump of FRA. The coupling coefficient between FRL and the transmission fiber is very small, so the pump and the amplifier can be compatible easily.
而光纤拉曼激光器(RFL)又作为FRA的泵浦源，它与光纤的耦合损耗小，可以实现泵浦与放大的良好兼容。
How to turn the signals into acceptable trigger pulse is the task of the trigger circuit, which includes trigger source choice circuit, coupling types choice circuit, trigger amplifier and comparator.
触发信号调理电路主要包括触发源选择，耦合类型选择，触发放大器和触发比较器等组成部分。
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
根据磁机械耦合系数的测量原理，利用锁相放大器建立了磁机械耦合系数测量系统，并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数。
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
根据磁机械耦合系数的测量原理，利用锁相放大器建立了磁机械耦合系数测量系统，并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数。
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