Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
CAS, MSS, IPSJ-AL [detail] |
2022-11-17 13:55 |
Kochi |
(Primary: On-site, Secondary: Online) |
Mathematical Properties of Linear Equation Derived from One-Dimensional Wave Equation Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2022-39 MSS2022-22 |
[more] |
CAS2022-39 MSS2022-22 pp.13-18 |
CAS, SIP, VLD, MSS |
2022-06-17 14:15 |
Aomori |
Hachinohe Institute of Technology (Primary: On-site, Secondary: Online) |
Important Roles of Heaviside's Expansion Theorem for Electromagnetic Phenomena Nobuo Nagai (Hokkaido Univ.), Takashi Yahagi (RISP) CAS2022-15 VLD2022-15 SIP2022-46 MSS2022-15 |
[more] |
CAS2022-15 VLD2022-15 SIP2022-46 MSS2022-15 pp.78-83 |
CAS, CS |
2022-03-03 16:30 |
Online |
Online |
Spatial One-Dimensional Electromagnetic Equation of Glass for Visible Light Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2021-85 CS2021-87 |
[more] |
CAS2021-85 CS2021-87 pp.59-64 |
CAS, NLP |
2021-10-14 11:40 |
Online |
Online |
Reformulated Maxwell Equations and Coaxial Transmission Line Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2021-21 NLP2021-19 |
[more] |
CAS2021-21 NLP2021-19 pp.23-28 |
SIP, CAS, VLD, MSS |
2021-07-05 11:15 |
Online |
Online |
A Consideration on Physical Properties of Electromagnetic Waves Expressed by Circuit Theory
-- Reciprocity Enables Losslessness and Resonance to Stand Together -- Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2021-2 VLD2021-2 SIP2021-12 MSS2021-2 |
[more] |
CAS2021-2 VLD2021-2 SIP2021-12 MSS2021-2 pp.5-10 |
CAS, CS |
2021-03-02 10:25 |
Online |
Online |
The Maxwell Equations Reformulated by Heaviside Which Can Handle Reflect Waves and Phase Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2020-78 CS2020-85 |
[more] |
CAS2020-78 CS2020-85 pp.35-40 |
CAS, ICTSSL |
2021-01-29 14:05 |
Online |
Online |
Resonant Waves Formed by Using Reflect Waves Generated with Electromagnetic Waves Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2020-65 ICTSSL2020-50 |
[more] |
CAS2020-65 ICTSSL2020-50 pp.136-141 |
MBE, NC, NLP, CAS (Joint) [detail] |
2020-10-30 14:20 |
Online |
Online |
Application of Circuit Theory to Variational Calculus Used in Analysis of Maxwell Equations Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (risp) CAS2020-17 NLP2020-38 |
[more] |
CAS2020-17 NLP2020-38 pp.29-34 |
NLP |
2008-01-31 15:15 |
Hokkaido |
|
Design of Auxiliary Circuit on Class-E_M Power Amplifier Ryosuke Miyahara, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) NLP2007-134 |
The class E$_{\rm M}$ amplifier is composed of class E amplifier and auxiliary circuit output harmonic. The class E$_{\r... [more] |
NLP2007-134 pp.31-36 |
NLP |
2008-01-31 15:40 |
Hokkaido |
|
Design of iinterleaved full-bridge converter Tomomi Dohi, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) NLP2007-135 |
This paper presents one configuration of the interleaved full-bridge converter.
Approached converter has the following... [more] |
NLP2007-135 pp.37-40 |
RCS, SIP |
2008-01-24 15:35 |
Hiroshima |
Hiroshima City Uni. |
Low-Complexity Selected Mapping Schemes with Subband Division in OFDM Systems Tomoya Imamachi, Tatsuru Watanabe, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) SIP2007-147 RCS2007-150 |
One of the drawbacks of orthogonal frequency-division multiplexing(OFDM) system is high peak–to-average power rati... [more] |
SIP2007-147 RCS2007-150 pp.97-102 |
RCS, SAT (Joint) |
2007-12-20 16:50 |
Oita |
|
Analysis and Experiments of Maximum Throughput in Wireless Multi-hop Networks Masahiko Inaba, Yoshihiro Tomita, Masaki Matsumoto, Hiroo Sekiya, Takashi Yahagi, Shiro Sakata (Chiba Univ.), Kengo Yagyu (NTT DoCoMo) RCS2007-121 |
Quantitative analyses of the maximum throughput in IEEE 802.11 Multi-hop Networks with one-way flow have been studied. H... [more] |
RCS2007-121 pp.55-60 |
EE |
2007-11-19 09:30 |
Tokyo |
|
Interleaved Class E2 dc/dc Converter with Phase Control Motoki Katayama, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) EE2007-35 |
This paper presents an interleaved class E$^2$ dc/dc converter with phase control. In the proposed converter, two phase ... [more] |
EE2007-35 pp.7-12 |
EE |
2007-11-19 15:30 |
Tokyo |
|
Effect of nonlinear output capacitance in class DE amplifier Hiroo Sekiya, Takayuki Watanabe (Chiba Univ.), Tadashi Suetsugu (Fukuoka Univ.), Takashi Yahagi (Chiba Univ.) EE2007-43 |
In this paper, equations for the waveform and the design relationships are derived for the class DE amplifier with nonli... [more] |
EE2007-43 pp.51-56 |
NLP |
2007-04-25 15:45 |
Nagano |
|
Impremention of Design tool for class E switching circuits using Spice Hiroo Sekiya, Tooru Ezawa, Takashi Yahagi (Chiba Univ.) NLP2007-7 |
This paper presents a design tool for class E switching circuits using SPICE. This design tool is implemented by using t... [more] |
NLP2007-7 pp.37-42 |
CPM, EE |
2007-03-02 15:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Design of Class DE Amplifier with Nonlinear Shunt Capacitance with Any Output Q Tooru Ezawa, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) EE2006-69 CPM2006-162 |
This paper presents design of class DE amplifier with nonlinear shunt capacitance with any output Q. It is assumed that ... [more] |
EE2006-69 CPM2006-162 pp.41-46 |
EE |
2007-01-26 10:15 |
Nagasaki |
Nagasaki prefectural art museum |
Numerical calculation method for class E switching circuit Tooru Ezawa, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) EE2006-47 |
This paper presents a novel design procedure for class E switching circuit.
In the circuit simulator Spice, if the semi... [more] |
EE2006-47 pp.59-64 |
EE |
2007-01-26 16:25 |
Nagasaki |
Nagasaki prefectural art museum |
Design and evaluation of Class DE inverter with band-pass filter Motoki Katayama, Hiroyuki Hase, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.) EE2006-59 |
In this paper, class DE inverter with second order constant K band-pass filter is proposed. In the proposed inverter, th... [more] |
EE2006-59 pp.133-138 |
NLP |
2007-01-17 14:50 |
Kagawa |
|
Numerical Design of Class DE Amplifier with Nonlinear Shunt Capacitance Takayuki Watanabe, Hiroo Sekiya (Chiba Univ.), Tadashi Suetsugu (Fukuoka Univ.), Takashi Yahagi (Chiba Univ.) |
A Class DE amplifier is the amplifier which can achieve high efficiency movement under number of the high frequencies mo... [more] |
NLP2006-120 pp.51-56 |
NLP |
2006-12-14 12:35 |
Hokkaido |
|
Analysis of class DE amplifier with nonlinear shunt capacitance Hiroo Sekiya, Takayuki Watanabe (Chiba Univ.), Tadashi Suetsugu (Fukuoka Univ.), Takashi Yahagi (Chiba Univ.) |
[more] |
NLP2006-109 pp.39-44 |