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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 28  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CAS, CS 2024-03-14
14:25
Okinawa   [Special Invited Talk] Indoor positioning system using RSSI and machine learning
Tsugumichi Shibata (TCU) CAS2023-120 CS2023-113
Tokyo City University changed its name from the former Musashi Institute of Technology in 2009, and has been promoting f... [more] CAS2023-120 CS2023-113
pp.53-57
EST 2023-05-19
14:25
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
A Design Method of Multisection Line Impedance Matching Circuit
Kei Terui, Keito Naitoh, Tsugumichi Shibata (TCU) EST2023-7
In this paper, we consider a configuration in which a large number of microstrip section lines with an electrical length... [more] EST2023-7
pp.34-39
EST 2023-05-19
14:50
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Modeling of Step Discontinuity in Microstrip Line Width
Keito Naitoh, Kei Terui, Tsugumichi Shibata (TCU) EST2023-8
In this paper, we study the equivalent circuit modeling of microstrip line discontinuities where the strip width suddenl... [more] EST2023-8
pp.40-44
EMCJ, MW, EST, IEE-EMC [detail] 2022-10-13
11:20
Akita Akita University
(Primary: On-site, Secondary: Online)
A Basic Study of Location Estimation System Using WiFi Beacon Signals
Keiji Takahei, Hiroki Umezawa, Tsugumichi Shibata (TCU) EMCJ2022-40 MW2022-86 EST2022-50
With the spread of smartphones, many university students carry a Wi-Fi connection terminal and connect it to the campus ... [more] EMCJ2022-40 MW2022-86 EST2022-50
pp.26-30
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
11:40
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Improvement of RSSI collection efficiency for position estimation using sensor NW and its effect on machine learning accuracy
Takefumi Masuda, Keiji Takahei, Tsugumichi Shibata (TCU) EMT2022-12 MW2022-36 OPE2022-15 EST2022-13 MWPTHz2022-10
Japan has become one of the world's top longevity societies and the population is aging. Under such circumstances, the d... [more] EMT2022-12 MW2022-36 OPE2022-15 EST2022-13 MWPTHz2022-10
pp.23-27
MW, WPT 2022-04-15
13:25
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] Power Transmission Efficiency Control to Terminals in Various Positional Relationships using Magnetic Field Coupling Resonance
Tsugumichi Shibata (TCU) WPT2022-6 MW2022-6
Implementation of sensor nodes in living spaces is in progress. Stable operation of a huge number of sensor nodes that m... [more] WPT2022-6 MW2022-6
pp.19-24
EST 2022-01-27
17:20
Online Online Analysis of SP-PS Coupling Circuit for Magnetic Field Resonance Type Wireless Power Transmission
Tsugumichi Shibata (TCU) EST2021-75
We have proposed the use of a circuit with an SP-PS configuration as a magnetic field resonance type coupling circuit fo... [more] EST2021-75
pp.88-92
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-08
11:10
Online Online Quality evaluation of the high-speed digital transmission signal waveform.
Tatsuya Kataoka, Tsugumichi Shibata (TCU) EMCJ2021-45 MW2021-57 EST2021-47
In recent years the high-speed operation by the miniaturization of the transistor elements is enabled in the LSIs. The i... [more] EMCJ2021-45 MW2021-57 EST2021-47
pp.86-91
EST 2020-05-21
10:35
Online Online A Study on an Automatic Efficiengy Control of the Magnetic-Resonant-Type WPT System using the SP-PS Circuit Topology
Takara Ijiro, Tsugumichi Shibata (TCU) EST2020-2
The efficiency of a magnetic resonant type wireless power transfer is affected not only by the loss due to the parasitic... [more] EST2020-2
pp.7-10
EST 2020-01-31
10:45
Oita Beppu International Convention Center A Consideration on a Backscattering Response Model for the Estimation of Underground Structures
Naoki Satoh, Shunsuke Hirano, Tsugumichi Shibata (TCU) EST2019-93
Accidents such as the collapse of roads caused by cavities under the ground have become a problem. The radar technology ... [more] EST2019-93
pp.73-76
EST 2019-05-17
10:30
Aichi Nagoya Inst. Tech. A study on a position estimation system using the support vector machine
Naoya Mutoh, Mizuki Itoh, Masahiro Niwa, Tsugumichi Shibata (TCU) EST2019-1
With the declining birthrate and aging population, the proportion of single-living households, two-person households of ... [more] EST2019-1
pp.1-4
EST 2019-05-17
10:55
Aichi Nagoya Inst. Tech. A study on a calculation method of inductance for wireless power transmission coils in various positional relationships
Shunsuke Hoya, Takara Ijiro, Tsugumichi Shibata (TCU) EST2019-2
This paper describes a simple calculation method of coil parameters required to design and evaluate performance of wirel... [more] EST2019-2
pp.5-8
EST 2017-05-19
10:35
Tokyo Tohoku University Tokyo Branch Analysis of High-frequency Signal Loss for Interconnecting Pads on the Si Substrate
Yoshito Kato, Daichi Ichikawa, Hao San, Tsugumichi Shibata (TCU) EST2017-1
The mechanism of the generation of high-frequency loss depending on the conductivity of Si substrate in the integrated c... [more] EST2017-1
pp.1-4
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-21
17:05
Hokkaido   FDTD Diakoptics for Analyses of Photonic Crystal Structures
Tsugumichi Shibata (TCU) EMT2016-24 MW2016-55 OPE2016-36 EST2016-25 MWP2016-26
The Finite-Difference Time-Domain method of solving Maxwell’s equations is used as an efficient algorithm for the large-... [more] EMT2016-24 MW2016-55 OPE2016-36 EST2016-25 MWP2016-26
pp.101-104
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] 2016-01-29
13:40
Hyogo   FDTD Diakoptics for Partially Periodic Structures -- II. Synthesis of the FDTD Discrete Green's Function --
Tsugumichi Shibata (TCU) PN2015-83 EMT2015-134 OPE2015-196 LQE2015-183 EST2015-140 MWP2015-109
In the report (I) of this series a kind of Green’s function for a 2D FDTD unit cell is defined using an incident pulse w... [more] PN2015-83 EMT2015-134 OPE2015-196 LQE2015-183 EST2015-140 MWP2015-109
pp.291-294
EST 2015-09-04
13:25
Okinawa Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan FDTD Diakoptics for Partially Periodic Structures -- I. The Discrete Green's Function of a Unit Cell for the 2D Problems --
Tsugumichi Shibata (TCU) EST2015-66
Parallel processing of large systems based on diakoptics is a key for increasing the degree of complexity of computation... [more] EST2015-66
pp.67-70
EST 2015-05-15
15:55
Tokyo Hosei Univ. (Koganei Campus) Analyses for the frequency characteristics of chip capacitors and inductors
Tsugumichi Shibata (TCU) EST2015-10
Various types of capacitors and inductors are used depending on the desired function in an electronic circuit. It is kno... [more] EST2015-10
pp.51-54
EST 2013-05-10
15:50
Kanagawa NTT Science and Core Technology Laboratory Group Comparison of Fixed Point and Floating Point Calculations for parallel processing of FDTD method using FPGA
Ryota Takasu, Tempei Hasegawa, Yoichi Tomioka (Tokyo Univ. of Agriculture and Tech.), Tsugumichi Shibata, Mamoru Nakanishi (NTT), Hitoshi Kitazawa (Tokyo Univ. of Agriculture and Tech.) EST2013-9
In this paper, we discuss the advantages and disadvantages of fixed point and floating point arithmetic calculations of ... [more] EST2013-9
pp.45-50
EST, EMCJ, IEE-EMC [detail] 2012-10-26
10:55
Miyagi Tohoku Gakuin University(Tagajo Campus) Circuit Modeling of Structure based on the FDTD Diakoptics -- An Interface of the Diakoptics --
Tsugumichi Shibata (NTT) EMCJ2012-78 EST2012-62
A formulation of the directional-wave type interface for the FDTD diakoptics is described. The interface is implemented ... [more] EMCJ2012-78 EST2012-62
pp.87-91
MWP, OPE, MW, EMT, EST, IEE-EMT [detail] 2012-07-26
13:40
Hokkaido Hokkaido Univ. BER Calculation Modeling for 10G-EPON Systems
Namiko Ikeda, Kazuhiko Terada, Hiroyuki Uzawa, Akihiko Miyazaki, Satoshi Shigematsu, Masami Urano, Tsugumichi Shibata (NTT) MW2012-31 OPE2012-24 EST2012-13 MWP2012-12
In 10G-EPON systems, the high speed access networks in the next generation, the upper limits of the bit error rate (BER)... [more] MW2012-31 OPE2012-24 EST2012-13 MWP2012-12
pp.47-52
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