In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
在发送方向，收发信机向功率放大器提供射频信号，功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
The results also show that the performance of this communication system can be affected by background optical, APD gain and modulation extinction ratio.
该通信系统还受背景光、雪崩光电二极管（APD）增益和调制消光比等因素的影响。
The amplitude modulated wave with any modulation factor is discussed in this paper. Its expression, spectrum and formula of the modulation factor, modulation efficiency, SNR gain are given.
本文讨论了调幅系数为任意值的调幅波，给出了它的表达式、频谱及调幅系数、调制效率和信噪比增益的计算公式。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
对基于半导体光放大器中交叉增益调制效应的波长转换后信号的啁啾特性进行了分析。
The optimal operating condition of gain switched semiconductor laser with different modulation rate is studied in this paper.
研究了不同调制速率下的增益开关半导体激光器的最佳工作状态。
Modulation instability gain spectrum resulted from cross-phase modulation (XPM) in decreasing dispersion fiber (DDF) is presented from nonlinear Schrodinger equation.
从非线性薛定谔方程出发得到了色散缓变光纤中交叉相位调制(XPM)不稳定性的增益谱。
The wavelength conversion based on cross gain modulation in a semiconductor optical amplifier (SOA) has been experimentally studied.
对基于半导体光放大器交叉增益调制的波长转换进行了实验研究。
As the modulation of amplitude is dust particle, the fluctuation and peaks are shown in the power gain spectrum.
当振幅调制为灰尘颗粒时，功率增益谱出现起伏，并且产生尖峰。
In this paper, an experimental CSK circuit using Chua s circuit with the whole modulation and demodulation process under changeable communication channel gain is presented.
文章给出了信道增益变化下利用蔡氏电路的混沌信号进行的包括信号调制和解调完整过程的混沌键控通信实验电路。
As a result, the computer simulations show that the LPI capability of the new DSSS modulation become more effective within the same bandwidth and Spread Spectrum gain.
计算机仿真结果表明，在调制带宽或扩频增益不变的前提下，提高了DSSS调制信号的低概率截获性能。
The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.
文中论述了光调制特性、微分增益（DG）、微分相位（DP）、信噪比（S/N）等重要问题。
The experiment shows that the bandwidth of the time delay as a function of the modulation frequency changes in the absorption and gain regimes due to the carrier-lifetime variation.
实验结果表明，由于载体寿命的变化，在吸收和增益区域，带宽的时滞随着调制频率的变化而变化。
To solve this problem, BICM, which combines the bit interleaver and the coded modulation technology, is proposed. The results show that BICM can obtain more gain in Rayleigh channel.
为了解决这一问题就引出了BICM，它是将比特交织与编码调制技术相结合，结果表明可以得到在瑞利信道下更好的增益。
The group-velocity mismatch can considerably change the gain spectrum of modulation instability in terms of its shape, peak value, and position.
而群速度失配可极大地改变调制不稳定性增益谱的形状、峰值和位置。
The power amplifier (12) has a fixed gain mode and a variable gain mode used for the two modulation formats, respectively.
功率放大器（12）具有分别用于这两 种调制格式的固定增益模式和可变增益模式。
A new spectrum shaping method, based on electro-optic modulation, to alleviate gain narrowing in chirped pulse amplification (CPA) system, is described and numerically simulated.
提出了一种新型的基于电光调制的激光光谱整形方案，该整形技术可以减轻啁啾脉冲放大系统中的增益窄化效应。
In this paper, wavelength conversions based on cross-gain modulation (XGM) and cross-phase modulation (XPM) in SOA are studied both in theory and computer simulation.
本论文对基于SOA中交叉增益调制(XGM)效应和交叉相位调制(XPM)效应的波长转换器进行了较全面的理论分析和仿真研究。
The condition and power gain spectra of modulation instability induced by the cross-phase modulation in the case of cubic-quintic nonlinearity are analyzed.
分析了三、五阶非线性共存时的交叉相位调制不稳定条件和增益谱。
The shape, width and peak of the power gain spectra of modulation instability will be influenced by the size relationship of the perturbation frequencies of the two waves.
两光波扰动频率的大小关系会影响不稳定增益谱的谱宽、峰值和形状。
The total capacity of gain reaches 25dB. This thesis also described the collector modulation of the Class-E amplifier and the circuit for protection.
文中也阐述了驱动E类功放的集电极调制电路和功放保护电路的原理和设计。
Spatiotemporal instability in the planar nonlinear dielectric waveguide is analyzed by nonlinear equation, and the expression of Modulation instability(MI) gain in Raman Scattering is obtained.
基于非线性包络方程我们研究了平面非线性介质波导中的时空不稳定性，得到了有拉曼散射效应情形下不稳定性调制的增益谱的表达式。
This article studies the high gain code and the modulation technology from the software aspect, and take the key research on the latter.
本文从软件方面来对高增益编码与调制技术进行研究，其中以后者作为重点研究。
Secondly, from the new dispersion relation we get the gain spectrum for modulation instability in nonlinearity management fiber Bragg grating, and we compared it with normal nonlinear fiber grating.
第二，根据得出的色散关系式，将非线性管理光纤光栅的增益谱特性与常规光栅进行了比较。
For SOA-based all-optical switching, because cross-phase modulation and cross-gain modulation is co-exist in SOA, the properties of each output port is different.
以半导体光放大器为非线性元件的全光开关中，由于SOA中交叉增益调制和交叉相位调制并存，会导致光开关各输出端口性能有所差异。
For SOA-based all-optical switching, because cross-phase modulation and cross-gain modulation is co-exist in SOA, the properties of each output port is different.
以半导体光放大器为非线性元件的全光开关中，由于SOA中交叉增益调制和交叉相位调制并存，会导致光开关各输出端口性能有所差异。
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