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。
The invention also discloses a method for realizing the crest factor reduction and digital predistortion mutual compensation.
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).
最后，本课题对数字预失真硬件平台进行功能模块调试并分析整理调试结果。
Finally, the function modules in this digital pre-distortion hardware platform are debugged and relative results are organized.
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。
At present, in contrast with feedback and feedforward, digital baseband predistortion is a highly cost-effective way to improve power amplifier's nonlinear characteristic.
针对数字预失真技术的原理，引出本文所研究的数字预失真硬件平台的工作原理以及设计思路。
According to the theory of digital pre-distortion, the working theory and design methodology of this digital pre-distortion hardware platform are illustrated in detail.
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.
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。
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.
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。
Because of the independence of the two problems, before determining the Terrestrial digital TV criterion, we must study the adaptive predistortion technology.
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 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.
为了补偿数字电视发射机的频谱畸变与相位失真，以得到最佳的VSB频谱特性，可以在调制器中加入预均衡网络对频谱进行预畸变。
To minimize the frequency and phase distortion in a DTV transmitter in order to achieve best VSB frequency performance, a pre equalizer can be inserted into the modulator.
为了补偿数字电视发射机的频谱畸变与相位失真，以得到最佳的VSB频谱特性，可以在调制器中加入预均衡网络对频谱进行预畸变。
To minimize the frequency and phase distortion in a DTV transmitter in order to achieve best VSB frequency performance, a pre equalizer can be inserted into the modulator.
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