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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 30  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EST 2023-05-19
11:00
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Bayesian Optimization of NRD Guide Stub Filter
Keisuke Kazama, Akito Iguchi, Yasuhide tsuji (Muroran Inst. Tech.), Keita Morimoto (Univ. Hyogo), Tatsuya Kashiwa (Kitami inst. Tech.) EST2023-2
In order to expand communication capacity, study on millimeter-wave applications is widely carried out. To realize milli... [more] EST2023-2
pp.5-10
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-20
09:45
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Design of Mosaic-like NRD Guide Devices with Magnetic Material
Tahir Bashir, Akito Iguchi, Yasuhide Tsuji (Muroran Inst. Tech.), Tatsuya Kashiwa (Kitami Inst. Tech.) EMT2022-33 MW2022-57 OPE2022-36 EST2022-34 MWPTHz2022-31
 [more] EMT2022-33 MW2022-57 OPE2022-36 EST2022-34 MWPTHz2022-31
pp.122-126
EST 2022-05-19
13:00
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Topology Optimal Design of Optical Device Using Covariance Matrix Adaptation Evolution Strategy and Function Expansion Method
Hiroki Maruyama, Akito Iguchi, Yasuhide Tsuji (Muroran IT), Tatsuya Kashiwa (Kitami IT) EST2022-1
In order to develop high performance photonic devices, topology optimization method has been attracted a lot of attentio... [more] EST2022-1
pp.1-5
OPE, MW, IEE-EMT, MWP, EST, EMT, THz [detail] 2021-07-16
09:55
Online Online Topology Optimal Design of NRD guide Device Using Simulated Annealing Like Scheme
Naoya Hieda, Akito Iguchi, Yasuhide Tsuji (Muroran Inst. Tech.), Tatsuya Kashiwa (Kitami Inst. Tech.) EMT2021-18 MW2021-23 OPE2021-12 EST2021-19 MWP2021-20
 [more] EMT2021-18 MW2021-23 OPE2021-12 EST2021-19 MWP2021-20
pp.59-64
OPE, MW, IEE-EMT, MWP, EST, EMT, THz [detail] 2021-07-16
13:00
Online Online Bayesian Optimization of Three-Dimensional Plasmonic Devices
Hiroki Maruyama, Akito Iguchi, Yasuhide Tsuji (Muroran IT), Tatsuya Kashiwa (Kitami IT) EMT2021-22 MW2021-27 OPE2021-16 EST2021-23 MWP2021-24
We study on an optimal design of three-dimensional plasmonic devices utilizing Bayesian optimization. In order to optimi... [more] EMT2021-22 MW2021-27 OPE2021-16 EST2021-23 MWP2021-24
pp.82-85
EMT, MW, OPE, EST, MWP, THz, IEE-EMT [detail] 2020-07-16
14:55
Online Online A study on design of dielectric flat lens utilizing Bayesian optimization
Koji Kudo, Akito Iguchi, Yasuhide Tsuji (Muroran Inst. of Tech.), Tatsuya Kashiwa (Kitami Inst. of Tech.) EMT2020-13 MW2020-22 OPE2020-8 EST2020-13 MWP2020-13
 [more] EMT2020-13 MW2020-22 OPE2020-8 EST2020-13 MWP2020-13
pp.39-43
EMCJ, MW, EST, IEE-EMC [detail] 2019-10-24
12:35
Miyagi Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) Fundamental Study on Whole Body Average SAR for Millimeter Wave Using the FDTD Method
Sachiko Kodera, Akimasa Hirata (NIT), Kenji Taguchi, Tatsuya Kashiwa (KIT) EMCJ2019-42 MW2019-71 EST2019-50
In the current international guidelines/standards for human protection from radio waves, the whole-body averaged specifi... [more] EMCJ2019-42 MW2019-71 EST2019-50
pp.33-37
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] 2018-01-25
11:35
Hyogo   A Study on Fast SPFD Method Based on Subgrid Method and Postprocessing
Yudai Nakanishi, Takahiro Ito, Akimasa Hirata (NITech), Kenji Taguchi, Tatsuya Kashiwa (KIT) PN2017-57 EMT2017-94 OPE2017-135 LQE2017-117 EST2017-93 MWP2017-70
In recent years, there has been concern in adverse health effect of electromagnetic fields. Induced electric field is us... [more] PN2017-57 EMT2017-94 OPE2017-135 LQE2017-117 EST2017-93 MWP2017-70
pp.105-110
EMT, IEE-EMT 2017-11-10
11:40
Yamagata Tendo Hotel (Tendo, Yamagata) A Study on Fast SPFD Using Subgrid Method
Yudai Nakanishi, Takahiro Ito, Akimasa Hirata (NITech), Kenji Taguchi, Tatsuya Kashiwa (KIT) EMT2017-60
 [more] EMT2017-60
pp.125-130
MWP, OPE, EMT, MW, EST, IEE-EMT [detail] 2017-07-21
09:00
Hokkaido Obihiro Chamber of Commerce and Industry Recognition of Object Shape Using Electromagnetic Scattering Waves by Artificial Intelligence
Tatsuya Kashiwa, Kenji Taguchi (Kitami Inst. of Tech.) EMT2017-21 MW2017-46 OPE2017-26 EST2017-23 MWP2017-23
The recognition of shape of obstacle is very important in the field of science and technology as a fundamental problem. ... [more] EMT2017-21 MW2017-46 OPE2017-26 EST2017-23 MWP2017-23
pp.81-84
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-22
10:20
Hokkaido   Direction of Arrival Estimation of Incoming Waves in FDTD Analysis of Radio Wave Propagation Using MUSIC Method
Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) EMT2016-35 MW2016-66 OPE2016-47 EST2016-36 MWP2016-37
Recently, computer performance has been advanced. Therefore, applicable space size or equivalently the frequency in the ... [more] EMT2016-35 MW2016-66 OPE2016-47 EST2016-36 MWP2016-37
pp.161-164
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-22
11:30
Hokkaido   Study on Optimal Design of Dielectric Flat Lens Using Gradient Method with AVM -- Comparison with GA and PSO --
Kenji Taguchi, Suguru Imai, Tatsuya Kashiwa (Kitami Inst. of Tech.) EMT2016-37 MW2016-68 OPE2016-49 EST2016-38 MWP2016-39
Recently, dielectric flat lenses have a focus of attention in the field of microwave and millimeter wave devices. The le... [more] EMT2016-37 MW2016-68 OPE2016-49 EST2016-38 MWP2016-39
pp.171-174
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
15:20
Hokkaido Kushiro City Lifelong Learning Center Study on Direction of Arrival Estimation in FDTD Analysis of Radio Propagation Using MUSIC Algorithm
Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) EMT2015-29 MW2015-67 OPE2015-41 EST2015-33 MWP2015-32
Traditionally, the ray-tracing method has been used to analyze radio propagation problems. Recently, the FDTD method can... [more] EMT2015-29 MW2015-67 OPE2015-41 EST2015-33 MWP2015-32
pp.117-120
EMCJ, EST 2014-09-12
14:50
Hokkaido Kitami Inst. Technology Analysis of Radio Propagation Characteristics Considering Car Antenna Positions for Inter-vehicle Communications at Intersection
Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) EMCJ2014-40 EST2014-54
Recently, the inter-vehicle communication system for the prevention of car crashes has been proposed. In this system, ca... [more] EMCJ2014-40 EST2014-54
pp.53-56
EMCJ, EST 2014-09-12
16:05
Hokkaido Kitami Inst. Technology [Special Talk] FDTD analysis -- past, present, and future --
Tatsuya Kashiwa (Kitami Inst. of Tech.) EMCJ2014-43 EST2014-57
The FDTD method has been widely used in EM simulations especially in fields of microwaves, antennas, propagation, optics... [more] EMCJ2014-43 EST2014-57
pp.69-72
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-18
11:15
Hokkaido Muroran Inst. of Tech. Effect of Positions of Car Antenna on Radio Wave Propagation for Inter-vehicle Communications at Intersection
Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) MW2014-79 OPE2014-48 EST2014-40 MWP2014-37
In the development of the inter-vehicle communication system for the prevention of car crashes, it is important to know ... [more] MW2014-79 OPE2014-48 EST2014-40 MWP2014-37
pp.187-190
EST, MWP, OPE, MW, EMT, IEE-EMT [detail] 2013-07-19
11:45
Hokkaido Wakkanai Synthesis Cultural Center Estimation of 3D Radio Propagation Characteristics for 700 MHz Band at Intersection Surrounded by Building Walls in Urban Area by Using 2D FDTD Analysis
Kenji Taguchi, Suguru Imai, Tatsuya Kashiwa, Takeshi Kawamura (Kitami Inst. of Tech.) MW2013-78 OPE2013-47 EST2013-42 MWP2013-37
In the development of inter-vehicle communication system using 700 MHz band, it is important to know radio wave propagat... [more] MW2013-78 OPE2013-47 EST2013-42 MWP2013-37
pp.201-204
MWP, OPE, MW, EMT, EST, IEE-EMT [detail] 2012-07-26
14:05
Hokkaido Hokkaido Univ. Comparison of Computational Performance between CUDA C and CUDA Fortran in High-Speed FDTD Simulation Using GPGPU
Shohei Takahara, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) MW2012-32 OPE2012-25 EST2012-14 MWP2012-13
Recently, GPGPU (General Purpose Computation on Graphics Processing Units) has been attracting attention as the techniqu... [more] MW2012-32 OPE2012-25 EST2012-14 MWP2012-13
pp.53-56
EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] 2012-01-26
16:05
Osaka Osaka Univ. Convention Center Analysis of Wave Propagation on Urban Street for UHF Band Using Ray Tracing Method
Ryosuke Aoyama, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) PN2011-42 OPE2011-158 LQE2011-144 EST2011-92 MWP2011-60
In non-line-of-sight multipath environments of urban street, it is assumed that a stochastic process of received signal ... [more] PN2011-42 OPE2011-158 LQE2011-144 EST2011-92 MWP2011-60
pp.49-52
EST 2011-10-06
13:05
Nagasaki Nagasaki Prefectural Art Museum Analysis of Boundary between Near and Far Fields for Car Antennas in UHF Band
Ryosuke Aoyama, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.), Hiroshi Kuribayashi, Satoru Komatsu (Honda R&D Co., Ltd.) EST2011-64
The directivity of a car antenna is changed by the car shape, the ground, frequency, antenna type and position. Therefor... [more] EST2011-64
pp.1-4
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