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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
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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) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2020-01-IT-SIP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of Δ∑ modulators matched to their connected systems 
Sub Title (in English)  
Keyword(1) quantization  
Keyword(2) $DeltaSigma$ modulator  
Keyword(3) A/D conversion  
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1st Author's Name Shuichi Ohno  
1st Author's Affiliation 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
Date of Issue 2020-01-16 (IT, SIP, RCS) 


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