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自适应前馈微波超线性功率放大器算法研究

王云飞;王家礼;吕永生   

  1. (西安电子科技大学 机电工程学院, 陕西 西安 710071)

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2004-12-20 发布日期:2004-12-20

An improment algorithm for adaptive feedforward microwave power amplifiers

WANG Yun-fei;WANG Jia-li;Lü Yong-sheng

  

  1. (School of Mechano-electronic Engineering, Xidian Univ., Xi'an 710071, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2004-12-20 Published:2004-12-20

摘要: 提出了一种用于数字通信系统的宽带、超线性、高效率功率放大器的变步长最小均方算法.该算法跟踪精度高,收敛速度快.通过计算机模拟仿真,表明此算法可以有效地改善控制环路控制参数的收敛精度,提高收敛速度.

关键词: 数字信号处理, 线性化, 前馈, 功率放大器

Abstract: This paper presents a variable loop step LMS algorithm in the design of broad-band, high-linearity and high-efficiency power amplifiers in communication systems. Simulation results are also presented to verify the improvement of the convergence speed and the achievable accuracy of the control loop parameters.

Key words: digital signal processing, linearization, feedforward, power amplifier

中图分类号: 

  • TN911.72