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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 |
| 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 |
| 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 |
| 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 | 2012-03-15 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 |
|
| 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 |
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 15:15 |
Oita | [Special Talk]
FTTH optical video distribution system employing super wide-band FM conversion scheme Toshiaki Shitaba, Satoshi Ikeda, Hisao Yoshinaga (NTT AS Lab.) OCS2008-89 OFT2008-55 |
First, the technical outline of the FTTH video distribution system employing super wide band FM conversion scheme put to... [more] | OCS2008-89 OFT2008-55 pp.31-36(OCS), pp.43-48(OFT) |
|
| SP | 2008-06-27 - 2008-06-28 |
Hokkaido | Formant Estimation using Adaptive Compensation of Spectrum Tiled Shunsuke Azuma, Nobuhiro Miki (FUN) SP2008-21 |
It is well known recently that the individual property of speech is appeared on the formant in the high frequency region... [more] | SP2008-21 pp.7-12 |
|
| ED, MW | 2008-01-17 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wide-Band BPSK CMOS Demodulator Circuit Yasuyuki Arai, Jun Kikuchi, Ryuichi Ujiie, Kenichi Shibata (Gunma Univ.), Tetuya Hirama, Hisayasu Sato (Renesas Technology), Noboru Ishihara (Gunma Univ.) ED2007-215 MW2007-146 |
In recent LSI systems, the wiring connections between the LSI and the LSI or the board and the board have become high de... [more] | ED2007-215 MW2007-146 pp.51-56 |
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