Paper Abstract and Keywords |
Presentation |
2019-01-17 16:25
[Invited Lecture]
An Invariant in Reactive Immittance Conversion Takashi Ohira (TUT) WPT2018-58 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
A passive two-port network behaves as an immittance converter. Especially when the network is purely reactive, there exists a physical quantity that is invariant over the conversion. We consider a linear system consisting of a lossless two-port network and a load shown in a block diagram. The converted immittance and the original that of load are mathematically related to each other by Möbius transform. Assume that the network is intended to make the former match 50 ohm. Then imagine the latter deviates in its immittance for any reason. It leads to power reflection at the input port. A key theorem we find here is that the reflection coefficient modulus is only due to how the load deviates, and never depends on the network properties. This modulus is therefore called generalized reflection coefficient. It works as a versatile index to assess immittance deviation. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
circuit theory / Möbius transform / immittance / matching / reflection / load variation / invariance / |
Reference Info. |
IEICE Tech. Rep., vol. 118, no. 391, WPT2018-58, pp. 25-26, Jan. 2019. |
Paper # |
WPT2018-58 |
Date of Issue |
2019-01-10 (WPT) |
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) |
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WPT2018-58 |
Conference Information |
Committee |
WPT AP |
Conference Date |
2019-01-17 - 2019-01-18 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Toyota Automobile Museum |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Wireless transmission technology, Radio propagation, Antennas and Propagation |
Paper Information |
Registration To |
WPT |
Conference Code |
2019-01-WPT-AP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
An Invariant in Reactive Immittance Conversion |
Sub Title (in English) |
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circuit theory |
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Möbius transform |
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immittance |
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matching |
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reflection |
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load variation |
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invariance |
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1st Author's Name |
Takashi Ohira |
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Toyohashi University of Technology (TUT) |
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Speaker |
Author-1 |
Date Time |
2019-01-17 16:25:00 |
Presentation Time |
50 minutes |
Registration for |
WPT |
Paper # |
WPT2018-58 |
Volume (vol) |
vol.118 |
Number (no) |
no.391 |
Page |
pp.25-26 |
#Pages |
2 |
Date of Issue |
2019-01-10 (WPT) |
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