Wideband Digital Predistortion of Solid-State Radar Amplifiers

被引：20
|
作者：
Dunn, Zachary [1 ]
Yeary, Mark [1 ]
Fulton, Caleb [1 ]
Goodman, Nathan [1 ]
机构：
[1] Univ Oklahoma, Elect & Comp Engn, 3190 Monitor Ave, Norman, OK 73019 USA
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2016年 / 52卷 / 05期
关键词：
WAVE-FORMS; LINKS; MODEL;
D O I：
10.1109/TAES.2016.150142
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
This paper addresses spectral regrowth caused by wideband signals input into solid-state amplifiers. Unique contributions are a weighted least-squares method for solving predistorter nonlinear model parameters, and a Bayesian method for tracking model parameters in slowly changing systems. Next-generation active phased array radars are the primary application. Past predistortion research has been primarily aimed at narrowband communications, while radar wideband applications have been relatively unexplored. Laboratory measurements confirm our methods.
引用
收藏
页码：2452 / 2466
页数：15
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