非线性放大器对发射信号的影响,与调制方式密切相关。
Non - linear amplifier on the transmIt 'signal of the impact is closely related with the modulation method.
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。
Predistortion for nonlinear amplifier with memory always is very difficult.
通过系统仿真,得到色散参量的变化对拉曼放大器的性能影响较大,而非线性系数对其影响较小。
The simulation results show that dispersion has great impact on the performance of fiber Raman amplifiers, while nonlinearity makes little influence on them.
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。
The nonlinear characteristics of semiconductor optical amplifier (SOA) have important applications for the all-optical switching, wavelength conversion, and optical logic gate.
要解决这个问题,必须采用线性化技术来改善高效率功率放大器的非线性特性。
For solving this problem, various linearization techniques have been employed to improve the linearity of high efficiency power amplifier.
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。
Some teaching material treat that the integrated operational amplifier which makes up the voltage comparer only works in the nonlinear area.
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。
A model based on semiconductor optical amplifier (SOA) and nonlinear optical loop mirror (NOLM) is designed for amplification and compression of optical pulse.
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。
The high linear power amplifier has to be used to guarantee communication quality. Unfortunately, power efficient amplifiers are typically nonlinear.
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。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
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。
The relationship between nonlinear distortion and maximum output level of amplifier in CATV systems is analysed in this paper.
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。
This optical buffer is composed with optical fiber delay lines, optical waveguide switching array and nonlinear semiconductor amplifier.
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。
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.
自适应基带预失真技术是用于补偿高功率放大器非线性失真的一种有效技术。
Adaptive baseband predistortion is an effective technique for compensating nonlinear distortion introduced by high power amplifiers.
文中通过对各类型集成运算放大器的特性的研究,建立了一种适合于各类型集成运放的时域特性分析的非线性宏模型。
In this paper, a nonlinear macromodel for all types of Integrated Circuit Operational Amplifiers (IC OP-Amps) is developed through studying the characteristics of all types of IC OP-Amps.
首先用时域法分析了该微波放大器的非线性耦合效应。
Firstly, the nonlinear coupling effects of the microwave amplifier are analyzed.
OQPS K调制器的不均衡以及放大器的非线性对接收机的性能具有非常大影响。
The OQPSK modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
调制器的不均衡以及放大器的非线性对接收机的性能具有非常大的影响。
The modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
本文基于光纤拉曼放大器(FRA)的非线性功率耦合方程,利用改进的遗传算法对泵浦源实施优化设计。
Based on the nonlinear power coupled equations of fiber Raman amplifiers (FRA), the optimal design to the pumps source has been done with modified genetic arithmetic in this paper.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因:主要是由于混频器和放大器的非线性。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
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。
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).
提出了一种改进的、可用于计算偏振相关拉曼增益的光纤拉曼放大器的非线性耦合波方程。
A set of improved nonlinear coupled-wave equations describing the properties of fiber Raman amplifiers is developed, which can be applied to calculate the polarization dependent Raman gain.
研究了DBF发射多波束阵列中固态功率放大器(SSPA)非线性引起的互调波束的影响。
This paper investigates the effects of intermodulation(IM) beams produced by the nonlinear behavior of solid-state power amplifiers(SSPA) on the DBF transmiting multiple-beam array.
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。
Linearizeation technology is now widely used in order to reduce the power amplifier nonlinear distortion without loss of efficiency.
利用非线性量子光学效应在量子阱(QW)、量子点(QD)半导体光放大器(SOA)中得到了慢光和快光。
Slow and fast light in quantum-well (QW) and quantum-dot (QD) semiconductor optical amplifiers (SOAs) using nonlinear quantum optical effects are presented.
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。
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).
开关功率放大器的优势是它具有高效率,但是由于其本身固有的非线性,开关功率放大器的失真通常大于传统的线性放大器。
The advantage of the switching amplifier is the high efficiency, but the distortion is still bigger than the linear amplifier because of the switching working and it's non-linear.
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.
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。
It is composed by fiber delay lines, an optical waveguide switching array and a nonlinear semiconductor optical 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。
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。
Designing a high linearity and high power efficiency wireless transmitter is a big challenge due to the nonlinear characteristic of the power amplifier.
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