Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
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 |
LQE, CPM, EMD, OPE, R |
2012-08-23 14:40 |
Miyagi |
Tohoku Univ. |
Reliability of 1060 nm Vertical Cavity Surface Emitting Lasers (VCSELs) for Optical Interconnect Shinichi Kamiya, Suguru Imai, Masaki Funabashi, Toshihito Suzuki, Koji Hiraiwa, Tomofumi Kise, Teruyuki Nakamura, Hitoshi Shimizu, Takuya Ishikawa, Akihiko Kasukawa (FEC) R2012-28 EMD2012-34 CPM2012-59 OPE2012-66 LQE2012-32 |
[more] |
R2012-28 EMD2012-34 CPM2012-59 OPE2012-66 LQE2012-32 pp.37-40 |
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 |
LQE |
2011-12-16 10:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
High Speed and Reliability study of 1060nm VCSEL Toshihito Suzuki, Suguru Imai, Shinichi Kamiya, Koji Hiraiwa, Masaki Funabashi, Yasumasa Kawakita, Tomofumi Kise, Teruyuki Nakamura, Hitoshi Shimizu, Akihiko Kasukawa (FURUKAWA) LQE2011-125 |
(To be available after the conference date) [more] |
LQE2011-125 pp.11-15 |
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 |
OPE, MW, MWP, EMT, EST, IEE-EMT [detail] |
2011-07-21 18:00 |
Hokkaido |
|
Analysis of Power Absorption Characteristics for Uniform Microwave Heating of Pu/U Mixed Nitrate Solution in Each Phase State Yuki Nakajima, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.), Toshihide Kitazawa (Ritsumeikan Univ.), Masahiro Suzuki, Tomoomi Segawa, Kan-ichi Fujii (JAEA) MW2011-53 OPE2011-40 EST2011-39 MWP2011-21 |
The mixed oxide (MOX) fuels are produced from the Pu/U mixed nitrate solution obtained from the spent nuclear fuel as a ... [more] |
MW2011-53 OPE2011-40 EST2011-39 MWP2011-21 pp.91-94 |
OPE, MW, MWP, EMT, EST, IEE-EMT [detail] |
2011-07-22 17:20 |
Hokkaido |
|
FDTD Propagation Analysis of 720MHz and 5.8GHz Bands at Intersection Surrounded by Light-Weight Concrete Walls in Residential Area Ryoto Sato, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.), Kohzoh Ohshima (Asahikawa National College of Tech.), Takeshi Kawamura (Kitami Inst. of Tech.) MW2011-77 OPE2011-64 EST2011-63 MWP2011-45 |
Recently, inter-vehicle communication system to prevent car crush at an intersection has been proposed. In the system, t... [more] |
MW2011-77 OPE2011-64 EST2011-63 MWP2011-45 pp.263-266 |
MW, ED |
2011-01-13 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Power Absorption Characteristics for Uniform Microwave Heating of Medium with High Conductivities Yuki Nakajima, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.), Toshihide Kitazawa (Ritsumeikan Univ.), Masahiro Suzuki, Kan-ichi Fujii (JAEA) ED2010-178 MW2010-138 |
As a part of the nuclear fuel cycle, the MOX fuels for FBR are produced from Pu/U mixed nitrate solution obtained from s... [more] |
ED2010-178 MW2010-138 pp.19-22 |
LQE |
2010-12-17 09:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Recorded Low Power Dissipation in 1060 nm VCSELs with High Reliability for Optical Interconnection Suguru Imai, Keishi Takaki, Shinichi Kamiya, Hitoshi Shimizu, Junji Yoshida, Yasumasa Kawakita, Tomohiro Takagi, Koji Hiraiwa, Hiroshi Shimizu, Toshihito Suzuki, Norihiro Iwai, Takuya Ishikawa, Naoki Tsukiji, Akihiko Kasukawa (Furukawa Electric) LQE2010-115 |
We propose 1060 nm VCSELs with high reliability and low power dissipation.
Thanks to double intra-cavity strucuture and... [more] |
LQE2010-115 pp.5-8 |
AP, SAT (Joint) |
2010-07-21 13:25 |
Hokkaido |
Kitami Inst. Tech. |
Propagation Analysis of 700MHz Band at Intersection of Residential Area Using the FDTD Method Daiki Matsuda, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.), Kohzoh Ohshima (Asahikawa Nat Coll. of Tech.), Takeshi Kawamura (Kitami Inst. of Tech.) AP2010-43 |
Recently, inter-vehicle communication system at an intersection to prevent car crush using 700MHz band has been proposed... [more] |
AP2010-43 pp.31-35 |
AP, SAT (Joint) |
2010-07-21 13:50 |
Hokkaido |
Kitami Inst. Tech. |
Study on the Boundary between Near and Far Fields for Car Antennas in UHF Band Takashi Morishita, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa, Takeshi Kawamura (Kitami Inst. of Tech.), Kohzoh Ohshima (Asahikawa National College of Tech.), Hiroshi Kuribayashi, Satoru Komatsu (Honda R&D Co., Ltd.) AP2010-44 |
In mobile telecommunications, the directivity of antennas is one of most important parameter. It is very important to kn... [more] |
AP2010-44 pp.37-40 |
CAS |
2010-01-28 13:00 |
Kyoto |
Kyoudai-Kaikan Bldg. |
A Study on Adjustment Method to Noise Spectral Shape for Sub-Band Subspace Approach Suguru Imai, Atsushi Nakagaki, Koji Shibata (Kitami Inst. of Tech.) CAS2009-64 |
An adjustment method of sub-band separation is proposed for enhancement of speech degraded by colored noises. A signal s... [more] |
CAS2009-64 pp.1-6 |
LQE |
2009-12-11 16:05 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
High Efficiency 1060nm VCSELs for Low Power Consumption Norihiro Iwai, Takeo Kageyama, Keishi Takaki, Suguru Imai, Yasumasa Kawakita, Koji Hiraiwa, Hitoshi Shimizu, Naoki Tsukiji, Akihiko Kasukawa (Furukawa Electric) LQE2009-151 |
We achieved the recorded high power conversion efficiency of 62% with a double intra-cavity contacted system. This syste... [more] |
LQE2009-151 pp.67-70 |