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Paper Abstract and Keywords
Presentation 2026-06-18 15:00
Nyquist-Zone-Selective Undersampling Receiver for Multiple Nyquist-Zone Signal Reception
Osamu Wada, Nobuhiko Ando, Akihito Hirai, Hideyuki Nakamizo (Mitsubishi Electric) MW2026-25
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, a Nyquist-zone-selective undersampling receiver for multiple Nyquist-zones is proposed. The proposed receiver consists of k parallel reception branches. In each branch, the input signal is undersampled by a sample-and-hold(S/H) circuit driven by clock signals with the same frequency and equally spaced phases. The aliased output of the S/H circuit is digitized, phase-shifted in the digital domain, and then coherently combined. By setting the digital phase shifts according to the aliasing order, components originating from the desired Nyquist zone are aligned in phase, whereas those from other zones become out of phase and are canceled. A prototype with k=4 was implemented using commercially available components and measurement instruments, and the principle was experimentally verified. The measured suppression of undesired Nyquist-zone components ranged from 16.8 to 44.0 dB, demonstrating the effectiveness of the proposed approach.
Keyword (in Japanese) (See Japanese page) 
(in English) Undersampling / S/H circuit / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 78, MW2026-25, pp. 17-22, June 2026.
Paper # MW2026-25 
Date of Issue 2026-06-11 (MW) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MW2026-25

Conference Information
Committee MW  
Conference Date 2026-06-18 - 2026-06-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave 
Paper Information
Registration To MW 
Conference Code 2026-06-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Nyquist-Zone-Selective Undersampling Receiver for Multiple Nyquist-Zone Signal Reception 
Sub Title (in English)  
Keyword(1) Undersampling  
Keyword(2) S/H circuit  
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1st Author's Name Osamu Wada  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Nobuhiko Ando  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Akihito Hirai  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Hideyuki Nakamizo  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2026-06-18 15:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2026-25 
Volume (vol) vol.126 
Number (no) no.78 
Page pp.17-22 
#Pages 6 
Date of Issue 2026-06-11 (MW) 

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