predistortion
n. [电子] 预失真;预矫正
2025-11-01 10:24 浏览次数 11
n. [电子] 预失真;预矫正
baseband predistortion基带预失真
Predistortion Compensation预失真补偿
polynomial predistortion多项式预失真
predistortion filter预失真滤波器
phase predistortion相位预矫
Adaptive predistortion自适应预失真
predistortion technique预失真技术
predistortion correction预失真校正
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 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。
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。
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。
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。
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準确定之前,研究「自适应预失真」技术则很有必要。
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。
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。
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。
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。
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。
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。
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。
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。
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。
This paper presents the development and status of linear power amplifier. Principle and circuit of predistortion feedforward and building blocks are introduced.
综述了线性功率放大器的发展与现状,并分别介绍了当前已在应用的预失真法、前馈法和组合模块法线性功放的原理及电路。
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。
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。
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。