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Paper Abstract and Keywords
Presentation 2015-08-24 14:25
Digital Frequency Transformaion Circuit for Timewise Unequally Sampled Data
Yuu Tanaka, Weikun Liang, Yoshiaki Hagiwara (Sojo-u) SDM2015-62 ICD2015-31
Abstract (in Japanese) (See Japanese page) 
(in English) DFT(Discrete Fourier Transformation) as we know today is a method of
obtaining the frequency component vector from the analog input data
vector obtained by time-wise equal sampling sequence.The DFT operation involves a lot of matrix-vector calcutaions of complex exponential functions. In this paper a method of obtaing the frequency componnet vector of the analog input data that is obtained by time-wise unequal sampling sequence.The same matrix-vector calculation procedure is applied, however the values of the matrix componets are much simpler and no calculations of complex exponential fuctions are involved.
Keyword (in Japanese) (See Japanese page) 
(in English) DFT / Equal time sequence / Unequal time sequence / matrix calculation / complex number / exponential function / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 191, ICD2015-31, pp. 25-30, Aug. 2015.
Paper # ICD2015-31 
Date of Issue 2015-08-17 (SDM, ICD) 
ISSN Print edition: ISSN 0913-5685    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 SDM2015-62 ICD2015-31

Conference Information
Committee SDM ICD  
Conference Date 2015-08-24 - 2015-08-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto City 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Low voltage/low power techniques, novel devices, circuits, and applications 
Paper Information
Registration To ICD 
Conference Code 2015-08-SDM-ICD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Digital Frequency Transformaion Circuit for Timewise Unequally Sampled Data 
Sub Title (in English)  
Keyword(1) DFT  
Keyword(2) Equal time sequence  
Keyword(3) Unequal time sequence  
Keyword(4) matrix calculation  
Keyword(5) complex number  
Keyword(6) exponential function  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuu Tanaka  
1st Author's Affiliation Sojo University (Sojo-u)
2nd Author's Name Weikun Liang  
2nd Author's Affiliation Sojo University (Sojo-u)
3rd Author's Name Yoshiaki Hagiwara  
3rd Author's Affiliation Sojo University (Sojo-u)
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Speaker Author-1 
Date Time 2015-08-24 14:25:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # SDM2015-62, ICD2015-31 
Volume (vol) vol.115 
Number (no) no.190(SDM), no.191(ICD) 
Page pp.25-30 
#Pages 6 
Date of Issue 2015-08-17 (SDM, ICD) 

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