Paper Abstract and Keywords |
Presentation |
2020-01-23 16:15
[Invited Talk]
Design of Δ∑ modulators matched to their connected systems Shuichi Ohno (Hiroshima Univ.) IT2019-58 SIP2019-71 RCS2019-288 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Quantization maps a large set of input values onto a smaller set of output values, which is fundamental for digital processing. The uniform quantizer is often utilized but it is not so efficient. The Lloyd-Max quantizer minimizes the distortion of the quantization error; but it requires the probability density function of the input, which is often unavailable in practice. The $DeltaSigma$ modulator has been developed originally and widely used for A/D conversion, which has an accumulation followed by the uniform quantization and a difference between the input and the output of a uniform quantizer. The modern $DeltaSigma$ modulator utilizes designed filters in place of the simple accumulators. When the system to be connected to the $DeltaSigma$ modulator is known, it is reasonable to design the $DeltaSigma$ modulator based on the knowledge about the system. Design methods of the $DeltaSigma$ modulator will be explained and the related topics on the $DeltaSigma$ modulator in signal processing, digital communication and networked control will be discussed. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
quantization / $DeltaSigma$ modulator / A/D conversion / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 119, no. 378, RCS2019-288, pp. 131-131, Jan. 2020. |
Paper # |
RCS2019-288 |
Date of Issue |
2020-01-16 (IT, SIP, RCS) |
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) |
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IT2019-58 SIP2019-71 RCS2019-288 |
Conference Information |
Committee |
IT SIP RCS |
Conference Date |
2020-01-23 - 2020-01-24 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Hiroshima City Youth Center |
Topics (in Japanese) |
(See Japanese page) |
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Paper Information |
Registration To |
RCS |
Conference Code |
2020-01-IT-SIP-RCS |
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Japanese |
Title (in Japanese) |
(See Japanese page) |
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(See Japanese page) |
Title (in English) |
Design of Δ∑ modulators matched to their connected systems |
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quantization |
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$DeltaSigma$ modulator |
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A/D conversion |
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Shuichi Ohno |
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Hiroshima University (Hiroshima Univ.) |
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Speaker |
Author-1 |
Date Time |
2020-01-23 16:15:00 |
Presentation Time |
50 minutes |
Registration for |
RCS |
Paper # |
IT2019-58, SIP2019-71, RCS2019-288 |
Volume (vol) |
vol.119 |
Number (no) |
no.376(IT), no.377(SIP), no.378(RCS) |
Page |
p.131 |
#Pages |
1 |
Date of Issue |
2020-01-16 (IT, SIP, RCS) |
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