Parameter estimation of LFM signal intercepted by improved dual-channel Nyquist folding receiver

被引：13
|
作者：
Li, Tao [1 ]
Zhu, Qian [1 ]
Fan, Xiaolei [1 ]
Chen, Zengping [1 ]
机构：
[1] Natl Univ Def Technol, Sci & Technol Automat Target Recognit Lab, Changsha 410073, Hunan, Peoples R China
来源：
ELECTRONICS LETTERS | 2018年 / 54卷 / 10期
关键词：
D O I：
10.1049/el.2018.0179
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A Nyquist folding receiver (NYFR) is a novel ultra-wideband (UWB) receiver architecture, which can realise a wideband receiving with fewer components. intercepted by the NYFR with a sinusoidal frequency modulation (SFM) local oscillator, a linear frequency modulation (LFM) signal will be converted into a LFM/SFM hybrid modulated signal. To simplify the processing of this kind of complicated signal, the authors propose improved dual-channel NYFR architecture with an efficient parameter estimation algorithm. Compared with the existing parameter estimation methods for the NYFR, the proposed architecture offers better estimation performance, higher signal type adaptability, and simpler operation.
引用
收藏
页码：659 / 660
页数：2
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