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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ITE-ME, ITE-IST, BioX, SIP, MI, IE [detail] | 2024-06-06 14:35 |
Niigata | Nigata University (Ekinan-Campus "TOKIMATE") | Out of date numerical algorithms such as DFT Fumihiko Ishiyama (NTT) |
(To be available after the conference date) [more] | |
| NLP | 2024-05-10 09:30 |
Kagawa | Kagawa Prefecture Social Welfare Center | Spectrogram of electromagnetic pulse from lightning cloud Fumihiko Ishiyama, Atsushi Nagao, Toshihisa Masuda, Masato Maruyama (NTT) |
(To be available after the conference date) [more] | |
| SIP, IT, RCS | 2024-01-19 15:30 |
Miyagi | (Primary: On-site, Secondary: Online) |
Analysis of electromagnetic pulse from lightning cloud Fumihiko Ishiyama, Atsushi Nagao, Toshihisa Masuda, Masato Maruyama (NTT)  IT2023-73 SIP2023-106 RCS2023-248 |
We report an observed time-frequency characteristics of a pre-lightning strike electromagnetic pulse series. [more] | IT2023-73 SIP2023-106 RCS2023-248 pp.235-238 |
| NLP | 2023-11-29 13:50 |
Okinawa | Nago city commerce and industry association | Drawbacks of historical numerical algorithms Fumihiko Ishiyama (NTT) NLP2023-76 |
It is improper to use ancient numerical algorithms. [more] | NLP2023-76 pp.70-73 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 09:00 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Lightning observation using a drone Fumihiko Ishiyama, Atsushi Nagao, Toshihisa Masuda, Masato Maruyama (NTT) EMCJ2023-48 MW2023-102 EST2023-75 |
We report an observed time-frequency characteristics of a recorded pre-lightning strike electromagnetic waveform. [more] | EMCJ2023-48 MW2023-102 EST2023-75 pp.68-71 |
| COMP, IPSJ-AL | 2023-09-07 09:30 |
Osaka | Osaka Metropolitan Univ. (Primary: On-site, Secondary: Online) |
Ancient numerical algorithms in numerical libraries Fumihiko Ishiyama (NTT) COMP2023-8 |
It is improper to use ancient numerical algorithms. [more] | COMP2023-8 pp.2-5 |
| EMCJ, IEE-EMC, IEE-SPC | 2023-05-12 16:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
Intensity of electromagnetic noise of a deteriorated power unit Fumihiko Ishiyama (NTT) EMCJ2023-9 |
We are investigating countermeasure technique against electro-magnetic noise with our own method. We evaluated the inten... [more] | EMCJ2023-9 pp.17-20 |
| NLP, MSS | 2023-03-16 11:20 |
Nagasaki | (Primary: On-site, Secondary: Online) |
Ill-posed problem of Daubechies's AM-FM oscillator expansion Fumihiko Ishiyama (NTT) MSS2022-84 NLP2022-129 |
We discuss the ill-posed problem of Daubechies's AM-FM oscillator expansion. [more] | MSS2022-84 NLP2022-129 pp.110-113 |
| EMCJ | 2023-01-27 15:30 |
Okayama | WASHU BLUE RESORT (Primary: On-site, Secondary: Online) |
Nonlinear analysis of lightning strike current waveforms Fumihiko Ishiyama (NTT) EMCJ2022-88 |
We figured out nonlinear nature of lightning strike current waveforms with our method of nonlinear time-frequency analy... [more] | EMCJ2022-88 pp.89-92 |
| CAS, NLP | 2022-10-20 15:20 |
Niigata | (Primary: On-site, Secondary: Online) |
Nonlinear decay process of lightning strike current waveforms Fumihiko Ishiyama (NTT) CAS2022-24 NLP2022-44 |
Linear systems have eigenvalues, which are constants. In contrast, nonlinear systems do not have such values. We propose... [more] | CAS2022-24 NLP2022-44 pp.25-28 |
| EMCJ, MW, EST, IEE-EMC [detail] | 2022-10-14 09:00 |
Akita | Akita University (Primary: On-site, Secondary: Online) |
Electromagnetic noise of coupled switching power supplies through power line Fumihiko Ishiyama (NTT) EMCJ2022-51 MW2022-97 EST2022-61 |
We are investigating countermeasure technique against electro-magnetic noise. We applied our method to the analysis of ... [more] | EMCJ2022-51 MW2022-97 EST2022-61 pp.83-86 |
| SIP | 2022-08-26 09:00 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki Island) (Primary: On-site, Secondary: Online) |
Nonlinear trends of nonlinear systems Fumihiko Ishiyama (NTT) SIP2022-60 |
Linear systems have eigenvalues, which are constants. In contrast, nonlinear systems do not have such values. We propose... [more] | SIP2022-60 pp.56-59 |
| EE, IEE-SPC | 2022-07-14 14:20 |
Aichi | WINC AICHI (Primary: On-site, Secondary: Online) |
Nonlinear analysis of nonlinearly coupled circuits through power line Fumihiko Ishiyama (NTT) EE2022-9 |
We are investigating countermeasure technique against electro-magnetic noise. We applied our method to the analysis of e... [more] | EE2022-9 pp.7-10 |
| SIP, BioX, IE, MI, ITE-IST, ITE-ME [detail] | 2022-05-19 09:00 |
Kumamoto | Kumamoto University Kurokami Campus (Primary: On-site, Secondary: Online) |
Noise analysis of nonlinearly coupled circuits through power line Fumihiko Ishiyama (NTT) SIP2022-1 BioX2022-1 IE2022-1 MI2022-1 |
We are investigating countermeasure technique against electro-magnetic noise. We applied our method to the analysis of e... [more] | SIP2022-1 BioX2022-1 IE2022-1 MI2022-1 pp.1-6 |
| CAS, CS | 2022-03-03 14:15 |
Online | Online | Noise analysis of nonlinearly coupled circuits Fumihiko Ishiyama (NTT) CAS2021-80 CS2021-82 |
We are investigating countermeasure technique against electro-magnetic noise. We applied our method to the analysis of e... [more] | CAS2021-80 CS2021-82 pp.37-40 |
| NLP, MICT, MBE, NC (Joint) [detail] |
2022-01-21 12:10 |
Online | Online | Analysis of nonlinearly mixed noise Fumihiko Ishiyama (NTT) NLP2021-107 MICT2021-82 MBE2021-68 |
We are investigating countermeasure technique against electro-magnetic noise. We applied our method to the analysis of e... [more] | NLP2021-107 MICT2021-82 MBE2021-68 pp.159-162 |
| SIP | 2021-08-24 13:00 |
Online | Online | Analysis of mixed switching noise Fumihiko Ishiyama (NTT) SIP2021-34 |
We are investigating countermeasure technique against electro-magnetic noise by investigating our own method. We applied... [more] | SIP2021-34 pp.26-29 |
| SIP, CAS, VLD, MSS | 2021-07-05 10:50 |
Online | Online | Extremely high resolution time-frequency analysis of switching noise Fumihiko Ishiyama (NTT) CAS2021-1 VLD2021-1 SIP2021-11 MSS2021-1 |
We measured and analyzed electromagnetic noise of various electric equipment with our own method of analysis. We report ... [more] | CAS2021-1 VLD2021-1 SIP2021-11 MSS2021-1 pp.1-4 |
| NLP, CAS | 2019-10-22 10:15 |
Gifu | Gifu Univ. | Aging estimation of AC adapters with using EM noise Fumihiko Ishiyama, Yohei Toriumi (NTT) CAS2019-26 NLP2019-66 |
We are investigating countermeasure technique against electro-magnetic noise by investigating our own method. We applied... [more] | CAS2019-26 NLP2019-66 pp.17-22 |
| NLP | 2019-09-24 14:45 |
Kochi | Eikokuji Campus, University of Kochi | Time-frequency analysis with a fractional AM wave Fumihiko Ishiyama (NTT) NLP2019-60 |
We are investigating a method of time-frequency analysis, which is a superset of Fourier analysis. We applied our method... [more] | NLP2019-60 pp.129-132 |
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