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Analysis of Sampling Aperture Impact on Nyquist Folding Receiver Output

Hangjin SUN, Lei WANG, Zhaoyang QIU, Qi ZHANG

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Summary :

The Nyquist folding receiver (NYFR) is a novel analog-to-information architecture, which can achieve wideband receiving with a small amount of system resource. The NYFR uses a radio frequency (RF) non-uniform sampling to realize wideband receiving, and the practical RF non-uniform sample pulse train usually contains an aperture. Therefore, it is necessary to investigate the aperture impact on the NYFR output. In this letter, based on the NYFR output signal to noise ratio (SNR), the aperture impact on the NYFR is analyzed. Focusing on the aperture impact, the corresponding NYFR output signal power and noise power are given firstly. Then, the relation between the aperture and the output SNR is analyzed. In addition, the output SNR distribution containing the aperture is investigated. Finally, combing with a parameter estimation method, several simulations are conducted to prove the theoretical aperture impact.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E105-A No.12 pp.1616-1620
Publication Date
2022/12/01
Publicized
2022/05/24
Online ISSN
1745-1337
DOI
10.1587/transfun.2022EAL2014
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Hangjin SUN
  Hangzhou Dianzi University
Lei WANG
  Hangzhou Dianzi University
Zhaoyang QIU
  Hangzhou Dianzi University
Qi ZHANG
  the No. 10 Research of Institute of China Electronics Technology Group Corporation

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