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 analogue filter is configured to cancel the predistortion of the feedback signal.
模 拟滤波器被配置成消除反馈信号的预失真。
So tranditional memoryless predistortion can not compensate memory nonlinear distortion of PA.
因此，无记忆预失真器不能校正放大器的记忆非线性失真。
The invention discloses a predistortion device, a predistortion system and a predistortion method.
本发明公开了预失真装置、预失真系统和预失真方法。
RF predistortion is the main power amplifier linearization technique used for wideband repeater at present.
目前，射频预失真是宽带直放站所采用的主要功放线性化技术。
The article firstly introduces the linearization techniques: predistortion technique and technique feedforward.
文章首先介绍了功放中的线性化技术——预失真技术和前馈技术。
This paper presents a new predistortion linearizer which USES the 2nd order low frequency intermodulation signal.
提出一种基于2阶低频互调干扰信号的一种预失真线性化器。
Predistortion linearization technology is conceptually the simplest form of linearization for an RF power amplifier.
预失真线性化技术理论上是最简单的RF功率放大器线性化技术。
The design methods of the source sampling rate and bandpass filter bandwidth in a predistortion system are proposed.
给出了预失真系统中信号源采样率和滤波器带宽的合理设计方法。
Feedforward, Predistortion and Feedback linearization techniques are mostly used in Linearity Power Amplifier Design.
目前线性功率放大器的设计主要采用前馈、预失真和功率回退等线性化技术。
The invention also discloses a method for realizing the crest factor reduction and digital predistortion mutual compensation.
本发明还公开了一种实现削峰和数字预失真相互补偿的方法。
Adaptive baseband predistortion is an effective technique for compensating nonlinear distortion introduced by high power amplifiers.
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 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。
Compared with other predistortion circuits of the same kind, it is simple, miniature, cost effective as well as giving the great linearity improvement.
该预失真器不仅对非线性改善效果明显，与同类预失真电路相比，还具有结构简单、体积小、成本低的优点。
Because of the independence of the two problems, before determining the Terrestrial digital TV criterion, we must study the adaptive predistortion technology.
由于这两个问题的相对独立性，因此在数字地面电视标准确定之前，研究“自适应预失真”技术则很有必要。
Some common linearization techniques, such as feedback, feed-forward and pre-distortion, have been introduced and predistortion has been especially described.
接着介绍了常用的功率放大器的线性化技术，例如预失真和前馈技术，重点介绍了预失真技术。
At present, in contrast with feedback and feedforward, digital baseband predistortion is a highly cost-effective way to improve power amplifier's nonlinear characteristic.
目前，相对于前馈和反馈等线性化技术，基带数字预失真技术是性价比较好的解决方案。
This paper puts forward a kind of new method of predistortion linearization technology, discusses the principle of the technology in detail, and presents the simulation results.
提出了一种预失真线性化技术的新方法，对该方法的组成原理作了较为详尽地论述，并给出了实验仿真结果。
In broadband communication systems, such as WCDMA, memory effects of RF power amplifiers (PAs) are significant and memoryless predistortion techniques cannot linearize PAs effectively.
在WCDMA等宽带通信系统中，射频功率放大器记忆效应明显，传统的无记忆预失真技术无法达到理想的线性化效果。
The composing principle of two kind of the predistortion linearization technologies-digital base-band predistortion linearizer and RF predistortion linearizer have been discussed in this paper.
对两种基本型式的预失真线性化技术数字基带预失真和射频预失真的组成原理进行了详尽的分析。
Based on the narrow communication systems and disregarding memory effects, the paper describes an adaptive digital predistortion method which can restrain the noise effect caused by applications.
利用设计的实验平台，在窄带通信系统中不考虑记忆效应的情况下，提出了一种基于查询表的能够有效抑制器件噪声的自适应数字预失真方案。
Application of predistortion technology in CDMA2000 system is discussed in this paper. And a practical digital predistortion system is proposed to improve linearity and efficiency of power amplifier.
本文研究了预失真技术在CD MA2000系统中的应用，设计了一种实用的数字预失真系统来提高功率放大器的线性度和效率。
Application of predistortion technology in CDMA2000 system is discussed in this paper. And a practical digital predistortion system is proposed to improve linearity and efficiency of power amplifier.
本文研究了预失真技术在CD MA2000系统中的应用，设计了一种实用的数字预失真系统来提高功率放大器的线性度和效率。
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