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amplifier nonlinearity
相关语句
  放大器非线性
     Comparison of Analysis Methods for Radio & Microwave Amplifier Nonlinearity
     射频/微波放大器非线性特性分析方法比较
短句来源
  放大器的非线性
     The 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。
短句来源
     The OQPSK modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
     OQPSK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。
短句来源
  相似匹配句对
     On Nonlinearity
     驱散“非线性”的迷雾
短句来源
     Spectrum Distortion owing to the Nonlinearity in Amplifier
     非线性噪声放大器频谱畸变分析
短句来源
     Nonlinearity Analysis of Auxiliary Amplifier in Feedforward System
     前馈系统中辅助放大器非线性分析
短句来源
     Nonlinearity compensation.
     非线性补偿问题。
短句来源
     Semiconductor Optical Amplifier
     半导体光放大器
短句来源
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  amplifier nonlinearity
Most of the distortion in the system can be attributed to buffer amplifier nonlinearity.
      
Finally, out-of-band products of the amplifier nonlinearity are eliminated after passing through a band pass filter.
      


This paper presents a scheme for the linearization of HPA(High Power Amplifiers) by using digital baseband predistortion. The theory of baseband predistortion is discussed. The effects of the amplifiers' nonlinearity to OFDM signal are mentioned. The digital baseband predistortion scheme for DAB system is implemented based on a look_up table. It gives an applicable result.

通过典型的功放无记忆模型分析了功放的非线性对DAB信号所造成的失真及基带预失真技术的作用机理。介绍一种基于该机理的硬件实现,通过在数字基带对信号进行预失真处理,补偿后端的射频功放所产生的非线性幅度失真和相位失真,从而有效地改善了DAB射频功放的线性度。

Amplifier's nonlinear phenomenon is the significant factor that effects the performance of radio & microwave communications system.In this paper,nonlinear character of the amplifier is described.Especially for the power amplifiers working at output power 1dB,they usually have severe nonlinearity.Four analysis methods of amplifiers nonlinearity:power series,Volterrsa series,harmonious balance,neural network are compared,and the using conditions of each method are given.This can provide...

Amplifier's nonlinear phenomenon is the significant factor that effects the performance of radio & microwave communications system.In this paper,nonlinear character of the amplifier is described.Especially for the power amplifiers working at output power 1dB,they usually have severe nonlinearity.Four analysis methods of amplifiers nonlinearity:power series,Volterrsa series,harmonious balance,neural network are compared,and the using conditions of each method are given.This can provide guidance for designing and analyzing a high linearity radio & microwave amplifier especially a linear power amplifier.This also can supply reference to EDA simulation software selection.

放大器的非线性现象是影响射频/微波通信电路系统性能的重要因素。通过对放大器特别是功率放大器(它工作在1dB压缩点附近,会带来严重的非线性)非线性现象的分析,介绍和比较了分析放大器非线性特性的较成熟的四种方法:幂级数法、Volterra级数法、谐波平衡法、神经网络法,指出了每种方法的适用条件和环境,对工程实践设计高线性放大器特别是线性功率放大器和EDA仿真软件选用方法提供一定的指导和参考。

The modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.With regard to modulator imbalances,the primary source of degradation comes about because of the effect of the imbalance on the steady-state lock point of the carrier tracking loop,which has a direct impact on the determination of accurate average BEP performance.We begin our discussion with a description of an imbalance model,then analyse its effect on carrier tracking loop steady-state lock point...

The modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.With regard to modulator imbalances,the primary source of degradation comes about because of the effect of the imbalance on the steady-state lock point of the carrier tracking loop,which has a direct impact on the determination of accurate average BEP performance.We begin our discussion with a description of an imbalance model,then analyse its effect on carrier tracking loop steady-state lock point and its effect on average BEP.

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。由于不均衡对载波跟踪环路的稳态锁定点的影响,使得平均误比特率(BEP)的性能受到了的决定性影响。通过对调制器不均衡的模型讨论,深刻分析了调制器不均衡对载波跟踪环路稳态锁定点和平均BEP的影响。

 
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