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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, LQE, OPE | 2023-05-26 16:30 |
Online | Online | [Special Invited Talk]
14.1-THz Wide-band WDM Transmission using PPLN-based Optical Parametric Inline Amplifier Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto (NTT)  OCS2023-8 OPE2023-8 LQE2023-8 |
As digital coherent technologies have matured, a spectral efficiency achieved by the advanced modulation format of optic... [more] | OCS2023-8 OPE2023-8 LQE2023-8 pp.32-35 |
| PN | 2021-03-01 14:30 |
Online | Online | [Invited Lecture]
Wide-band WDM Inline-amplified Transmission by Optical Parametric Amplifier using PPLN Waveguides Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, RYoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto (NTT) PN2020-44 |
To increase the capacity of optical transmission systems, it is important to improve a spectral efficiency by utilizing ... [more] | PN2020-44 pp.15-19 |
| CPM | 2019-11-08 10:50 |
Fukui | Fukui univ. | [Invited Talk]
Mapping of metal/semiconductor and semiconductor/semiconductor interfaces using scanning internal photoemission microscopy Kenji Shiojima (Univ. of Fukui) CPM2019-51 |
Scanning internal photoemission spectroscopy has been developed to map the electrical characteristics of metal/semicondu... [more] | CPM2019-51 pp.35-38 |
| RCS, SAT (Joint) |
2019-08-22 09:50 |
Aichi | Nagoya University | 8K120Hz Transmission Experiment with 21GHz-band through Broadcast Satellite BSAT-4a Yuki Koizumi, Yoichi Suzuki, Shinya Abe, Kazunori Yokohata, Hisashi Sujikai (NHK), Susumu Nakazawa, Osamu Yamazaki (B-SAT) SAT2019-19 |
NHK conducted a wide-band transmission experiment with the 21GHz-band through broadcasting satellite BSAT-4a at NHK STRL... [more] | SAT2019-19 pp.13-17 |
| SANE, SAT (Joint) |
2019-02-14 10:50 |
Kagoshima | Tanegashima Island | 21-GHz Wide-band satellite transmission experiment with BSAT-4a broadcasting satellite Yoichi Suzuki, Yuki Koizumi, Shinya Abe, Kazunori Yokohata (NHK), Susumu Nakazawa, Osamu Yamazaki (B-SAT), Hisashi Sujikai (NHK) SAT2018-76 |
To achieve the wide-band transmission for full-specification 8K Super Hi-Vision and Diverse Vision, a wide-band transmis... [more] | SAT2018-76 pp.109-114 |
| MW (2nd) |
2018-06-27 - 2018-06-29 |
Overseas | KMITL, Bangkok, Thailand | [Poster Presentation]
Quad-Band Patch Antenna for RFID/GPS/WLAN Applications Akkawatch Thouchamongkol, Ratchatawat Rukpanichsiri, Santipab Sorkan, Arnon Sakonkanapong, Chuwong Phongcharoenpanich (KMITL) |
This research aims to design, fabricate and experiment a quad-band antenna for Internet of Things (IoT) applications. Th... [more] | |
| SDM | 2016-11-11 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Simulation Studies Contributing to Development of Wide-Bandgap Power Semiconductor Devices Kazuhiro Mochizuki (AIST) SDM2016-85 |
Studies contributing to wide-bandgap semiconductor (e.g., 4H-SiC and 2H-GaN) power devices, using commercial process and... [more] | SDM2016-85 pp.37-42 |
| AP, SAT, SANE (Joint) |
2016-07-21 15:15 |
Hokkaido | Otaru port marina | Feasibility Study of Wideband MACKEY Tetsuo Moroya, Shigeru Makino, Yasuharu Ohtsubo, Keisuke Noguchi, Tetsuo Hirota, Kenji Itoh (KIT) AP2016-52 |
In prior study, it was shown MACKEY can be installed on a metal plate without affecting the characteristics of impedance... [more] | AP2016-52 pp.87-90 |
| EA | 2016-07-08 11:00 |
Shizuoka | Yamaha, Toyooka Factory | Investigation on learning procedure for delay-and-sum beamformer with deep neural network Maya Origuchi, Mitsunori Mizumachi (KIT) EA2016-12 |
A traditional delay-and-sum beamformer could not flexibly control a beam-pattern except the target direction, that is, t... [more] | EA2016-12 pp.23-28 |
| AP | 2016-06-09 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on a DOA Estimation Method based a Frequency Fading for a Broadband-Pulse Rokuzo Hara, Takashi Yanagi, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric Co.) AP2016-35 |
We propose a DOA (Direction Of Arrival) estimation method by one channel observed data for a wide-band signal. The prop... [more] | AP2016-35 pp.17-22 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 11:00 |
Hokkaido | Kushiro City Lifelong Learning Center | The design of reactance attenuator with a wider broadband Toshihiko Shibazaki (Tokyo Metro. College of Industrial Tech.), Teruhiro Kinoshita (Tokyo Polytechnic Univ.) EMT2015-23 MW2015-61 OPE2015-35 EST2015-27 MWP2015-26 |
The inductive window or capacitive window in a rectangular waveguide is used for the filters, matching circuits, and the... [more] | EMT2015-23 MW2015-61 OPE2015-35 EST2015-27 MWP2015-26 pp.83-88 |
| AP | 2013-12-12 15:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study on Wideband DOA Estimation Using Khatri-Rao Processing Satoshi Shirai, Hiroyoshi Yamada (Niigata Univ.), Toshihiko Nishimura, Yasutaka Ogawa (Hokkaido Univ.), Yoshio Yamaguchi (Niigata Univ.) AP2013-131 |
Recently, research and communication using wideband signal have been investigated intensively. With the progress of wid... [more] |
AP2013-131 pp.35-40 |
| AP | 2012-12-13 13:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Numerical Analysis of Wide-band and High-Gain Microstrip Antenna Employing Multi-Layer Parasitic Elements Yuto Suzuki, Naoki Honma (Iwate Univ.), Shigeki Morisawa (RF TestLab) AP2012-118 |
Because of high pass loss at millimeter-wave (mm-wave), a high-gain antenna is required to overcome this problem. Also, ... [more] | AP2012-118 pp.7-10 |
| AP | 2012-03-15 14:10 |
Shizuoka | Chuo public hall (Atami City) | Correlation Suppression Performance of Spatial Smoothing Preprocessing at a Transmitter for DOA Estimation of Wide-band Signals Kyouhei Maeda, Toshihiko Nishimura, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) AP2011-203 |
Recently, due to the wide spread of wireless communications, importance of a precise direction-of-arrival (DOA) estimati... [more] | AP2011-203 pp.25-30 |
| AP, RCS (Joint) |
2011-11-16 09:20 |
Aichi | Nagoya Congress Center | Optimization of High Accuracy DOA Estimation Using Wide-Band Signals Kyouhei Maeda, Toshihiko Nishimura, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) AP2011-89 |
Recently, with the spreading of wireless communication technology, importance of a precise direction of arrival (DOA) es... [more] | AP2011-89 pp.1-6 |
| AP | 2011-05-13 10:30 |
Kagoshima | A Study on High Accuracy DOA Estimation Using Wide-band Signals Kyouhei Maeda, Toshihiko Nishimura, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) AP2011-17 |
Recently, according to rapid spreading of cellular phones and wireless LAN equipment, importance of a precise direction ... [more] | AP2011-17 pp.65-70 |
|
| SANE | 2010-12-17 14:15 |
Saitama | Nippon Institute of Technology | A 3D imaging algorithm of a moving target using a UWB radar with a small number of antennas Yuji Matsuki, Takuya Sakamoto, Toru Sato (Kyoto Univ.) SANE2010-134 |
UWB (Ultra Wide-Band) pulse radar is a promising candidate for surveillance systems. Although a number of imaging method... [more] | SANE2010-134 pp.43-48 |
| SP | 2010-03-05 14:15 |
Tokyo | Shibaura Inst. of Tech. (Toyosu Campus) | An Estimation Method of Formant/Anti-Formant on delta Transform Region Syunsuke Azuma, Nobuhiro Miki (Future Univ-Hakodate) SP2009-163 |
The formant information on wide-band speech signals is expected to apply for speech synthesis and recognition techniques... [more] | SP2009-163 pp.87-91 |
| MW | 2010-03-04 10:35 |
Kyoto | Ryukoku Univ. | An Experimental Study of a Wide-Band Microstrip Coupled-Line BPF with Tunable Characteristics Yusuke Suga (Univ. of Electro-Comm.), Kenichi Ohta (TAIYO YUDEN), Koji Wada (Univ. of Electro-Comm.) MW2009-183 |
In this study, we present a wide-passband bandpass filter(BPF) using coupled lines with varactor diodes. Basic characte... [more] |
MW2009-183 pp.25-29 |
| CAS | 2010-01-28 15:50 |
Kyoto | Kyoudai-Kaikan Bldg. | A Study of a Variable Resistor for Cut-off Frequency Tuning of Active Filters Masahiro Hosoya (Toshiba Corp.) CAS2009-70 |
Active filters fabricated in CMOS process suffer from cut-off frequency variation due to process variation of resistors ... [more] | CAS2009-70 pp.37-41 |
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