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Paper Abstract and Keywords
Presentation 2016-12-16 15:40
Study on the Operation of a Rectifier with Pulse Modulated Input
Takashi Hirakawa, Naoki Shinohara (Kyoto Univ.) MW2016-168 Link to ES Tech. Rep. Archives: MW2016-168
Abstract (in Japanese) (See Japanese page) 
(in English) Nowadays, Wireless power transfer (WPT) is attracting our interest.
Using WPT, we can charge our terminals without wires, and it can select the charging object without moving the
transmission system.
This is useful for reducing batteries.
On the other hand, there are some shortages on WPT.
Their shortages are lower RF-DC conversion efficiency of WPT than that of wired charging and interference with communication systems.

Pulse modulated wave has high peak-to-average power ratio.
It is said that this kind of wave form can improve the RF-DC conversion efficiency.
And pulse modulated wave is effective for avoiding the interference.
In this study, we analyzed the operation of rectifiers with pulse modulated input.
First, we calculated the output voltage of rectifier with intermittent input by using transient simulation.
From that wave form, we hypothesis that the output voltage can be expressed by time constants.
In this assumption, we calculated time constants.
By using time constants we estimated the RF-DC conversion efficiency and ripple content.
Finally, we compared the experimental result and simulation result.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave / Rectifier / Intermittent wave / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 363, MW2016-168, pp. 205-209, Dec. 2016.
Paper # MW2016-168 
Date of Issue 2016-12-08 (MW) 
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 MW2016-168 Link to ES Tech. Rep. Archives: MW2016-168

Conference Information
Committee MW  
Conference Date 2016-12-15 - 2016-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) National Defense Academy 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Students Session / Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2016-12-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on the Operation of a Rectifier with Pulse Modulated Input 
Sub Title (in English)  
Keyword(1) Microwave  
Keyword(2) Rectifier  
Keyword(3) Intermittent wave  
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1st Author's Name Takashi Hirakawa  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Naoki Shinohara  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2016-12-16 15:40:00 
Presentation Time 20 minutes 
Registration for MW 
Paper # MW2016-168 
Volume (vol) vol.116 
Number (no) no.363 
Page pp.205-209 
#Pages
Date of Issue 2016-12-08 (MW) 


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