Predistortion for nonlinear amplifier with memory always is very difficult.
记忆非线性放大器的预失真问题一直是预失真技术的难点。
The nonlinear characteristics of semiconductor optical amplifier (SOA) have important applications for the all-optical switching, wavelength conversion, and optical logic gate.
半导体光放大器（SOA）的非线性特性在光开关、波长变换、光逻辑运算中有重要的应用。
Some teaching material treat that the integrated operational amplifier which makes up the voltage comparer only works in the nonlinear area.
在一些教材中论述，构成电压比较器的集成运算放大器仅仅是工作在非线性区。
A model based on semiconductor optical amplifier (SOA) and nonlinear optical loop mirror (NOLM) is designed for amplification and compression of optical pulse.
设计了一种基于半导体光放大器(SOA)和非线性光学环镜(NOLM)的光脉冲放大与压缩的模型。
The high linear power amplifier has to be used to guarantee communication quality. Unfortunately, power efficient amplifiers are typically nonlinear.
为保证通信质量需要使用高线性的功率放大器，而高效率的功率放大器通常是非线性的。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
The relationship between nonlinear distortion and maximum output level of amplifier in CATV systems is analysed in this paper.
该文分析了CATV系统中放大器的非线性失真与最大输出电平的关系。
This optical buffer is composed with optical fiber delay lines, optical waveguide switching array and nonlinear semiconductor amplifier.
这种缓存器由光纤延迟线、光波导开关阵及非线性半导体光放大器构成。
The paper presents an efficient digital adaptive method compensating for nonlinear distortions caused by a high-power amplifier (HPA) in orthogonal frequency division multiplexing(OFDM) system.
本文提出了一种用于正交频分复用（OFDM）系统中由大功率放大器引起的非线性失真的有效的数字自适应补偿方法。
It is composed by fiber delay lines, an optical waveguide switching array and a nonlinear semiconductor optical amplifier.
这种缓存器是由光纤延迟线、光波导开关阵及非线性半导体光放大器构成。
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。
Using the characteristic of integrated operational amplifier, an electric bridge circuit sensor without nonlinear error in its output voltage is designed.
利用集成运算放大器的特点，设计了输出电压无非线性误差的电桥电路传感器。
The OFDM system has a major disadvantage that high peak to average power ratio (PAPR) can cause nonlinear distortion in the high power amplifier (HPA).
OFDM系统的一个主要缺陷就是峰平比过高引起的高功率放大器(HPA)的非线性失真。
Designing a high linearity and high power efficiency wireless transmitter is a big challenge due to the nonlinear characteristic of the power amplifier.
而功率放大器又具有非线性特性，因此要设计高效率又高线性度的无线发射机便成了一个相当困难的挑战。
It is one of the most important contents for the quantum optics and nonlinear optics to study on the quantum properties and physical applications of the parametric image amplifier.
研究光学参量图像放大系统的量子特性和物理应用是非线性光学和量子光学的重要内容。
Linearizeation technology is now widely used in order to reduce the power amplifier nonlinear distortion without loss of efficiency.
为了在不损失效率的条件下降低功率放大器的非线性失真现在广泛采用了线性化技术。
Based on the model, a code of nonlinear beam-wave interaction in the CARM amplifier has been made. We use this code to simulate the experiment achieved in Mashachusetts Institute of Technology (MIT).
基于该模型，编写了圆柱腔回旋自谐振脉塞放大器单模波束互作用计算程序，并对麻省理工学院的一个实验进行了非线性模拟。
As for the non-linear negative feedback program, it is mainly composed of the main amplifier and nonlinear feedback loop, and it has adaptive performance.
而对于非线性负反馈方案，它主要由主功放和非线性反馈回路构成，具有一定自适应的性能。
Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.
半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。
Firstly, the nonlinear characteristic of RF power amplifier is studied in the article and the improvement project is proposed.
本文首先研究了功率放大器的非线性失真问题，提出了预失真处理的改善方案。
A new evaluation approach for the in-band nonlinear distortion, which is formed by the orthogonal frequency division multiplex (OFDM) signal passing through the high power amplifier, is presented.
提出了研究正交频分复用(OFDM)信号通过高功率放大器产生的带内非线性畸变的一种新方法。
But the OFDM signal has a large PAPR, which results in the significant nonlinear distortion when it passes through a HPA (high power amplifier), thereby the performances of the system descend.
但是OFDM信号有高的峰值平均功率比，当它通过高功率放大器时会导致非线性失真，从而使得系统的性能下降。
In order to analyze the nonlinear characteristic presented in the subharmonic load pull experiment theoretically, a class a MESFET power amplifier is researched on in this paper.
为了从理论上解释副谐波负载牵引实验中的各种非线性现象，对一个A类MESFET功放进行了研究。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
以刚体动力学为基础，考虑功放延时、转子不平衡、磁轴承非线性等因素，建立了磁轴承反馈控制控制系统模型，对不同的控制律进行了仿真分析。
The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.
根据功放的实测AM-AM、AM-PM特性，采用时域分析方法，并应用带通非线性理论和数字信号处理技术，分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。
The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.
根据功放的实测AM-AM、AM-PM特性，采用时域分析方法，并应用带通非线性理论和数字信号处理技术，分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。
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