一种数字预失真功放输出动态提升技术

An Output Dynamic Improvement Technique for Digital Predistortion Power Amplifier

数字预失真功放的输出动态提升技术在现代功率放大器设计和研究中已成为一个重要的课题。本文基于数字预失真功放自身特征以及自适应信号处理技术,提出了一种全新的输出动态提升技术。理论分析和试验结果表明:采用该新型技术的数字预失真功放不仅输出动态得到了大幅度提升,而且线性也有一定程度改善。

Output dynamic improvement technique of digital predistortion power amplifier has become an important research during designing and studying of modern power amplifier.In this paper,based on the self character of digital predistortion power amplifier and adaptive signal processing technology,we propose a fully new output dynamic improvement technique,Theoretical analysis and empirical result show that not only output dynamic of the digital predistortion power amplifier using this new technique has better improvement but also Linearity can be improved a bit.