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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, ASJ-H | 2016-08-09 14:00 |
Miyagi | Tohoku Gakuin Univ., Tagajo Campus | Phase reconstruction based on time-frequency domain harmonic structure for speech enhancement Yukoh Wakabayashi, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.)  EA2016-22 |
Conventional speech enhancement in noisy environment is widely studied by modifying only an amplitude spectrum of a spee... [more] | EA2016-22 pp.13-18 |
| EA | 2016-07-08 15:10 |
Shizuoka | Yamaha, Toyooka Factory | Adding Phase Information to Cross-Correlation Functions with Binary Signal for Speech Enhancement Kyohei Mitani, Yosuke Sugiura, Tetsuya Shimamura (Saitama Univ.) EA2016-19 |
In this paper, adding phase information to the cross-correlation function between speech signal and its binary signal, w... [more] | EA2016-19 pp.63-68 |
| EMM | 2015-03-13 13:50 |
Okinawa | Study on Watermarking for Digital Audio based on Adaptive Phase Modulation Nhut Minh Ngo, Masashi Unoki (JAIST) EMM2014-102 |
This paper proposes a novel blind watermarking method for digital audio based on adaptive phase modulation. Audio signal... [more] | EMM2014-102 pp.149-154 |
|
| PRMU, CNR | 2014-02-13 16:10 |
Fukuoka | [Poster Presentation]
Improvement of Feature Description of SIFT Using a Gradient of Phase Information Yoshiaki Hosoda, Akira Kubota (Chuo Univ) PRMU2013-145 CNR2013-53 |
SIFT is a local feature amount obtained by the gradient information of the image, which is robust to changes in the scal... [more] | PRMU2013-145 CNR2013-53 pp.105-106 |
|
| MW | 2013-11-22 14:30 |
Kagoshima | Kagoshima Prefectural Culture Center | Performance Analysis of Error Vector Magnitude Due to RF impairments in 60 GHz Millimeter-wave System Ikuma Ando, Yuyuan Chang, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech.) MW2013-148 |
Recently, data traffic has increased with the spread of smart phone. To deal with this increasing data traffic, new band... [more] | MW2013-148 pp.97-102 |
| OFT | 2013-10-24 13:25 |
Nara | Distortion-free optical variable delay line by using chirping-free optical Fourier transformation Ryohei Horigomi, Naoto Kishi (UEC) OFT2013-23 |
We proposed an all-optical variable delay line for timing control. The optical variable delay line consists of a wavelen... [more] | OFT2013-23 pp.5-10 |
|
| OFT, OCS (Joint) |
2013-08-23 15:15 |
Hokkaido | Pre-dispersed Mutual Phase-conjugation Scheme for Fiber-nonlinearity Mitigation in Coherent Optical Communication Systems
-- Proposal and Analysis of Parallel Back-propagation Method -- Hongbo Lu, Kazuro Kikuchi (Univ. of Tokyo) OCS2013-46 |
We propose and analyze an effective and practical method for mitigating signal distortion caused by fiber nonlinearity. ... [more] | OCS2013-46 pp.55-60 |
|
| EA | 2013-07-19 11:45 |
Hokkaido | Health Sci. Univ. of Hokkaido | Changes in acoustic properties of headphones with and without "aging" Kihiro Hashino, Yuki Kato, Hirofumi Nakajima, Kazunori Miyoshi (Kogakuin Univ.) EA2013-48 |
In this report, to validate acoustic property changes of headphones by “Aging”. We analyzed the difference of various ac... [more] | EA2013-48 pp.87-92 |
| MWP | 2012-11-08 14:30 |
Kyoto | Kyoto Institute of Technology | [Invited Talk]
Optical-Electrical Signal Conversion Using Nonlinear Optical Difference Frequency Generation Hiroshi Murata (Osaka Univ.) MWP2012-47 |
Difference frequency generation (DFG) from two-tone coherent optical signals based on nonlinear optical effects is discu... [more] | MWP2012-47 pp.7-10 |
| CAS, CS, SIP | 2012-03-08 09:40 |
Niigata | The University of Niigata | Geometrical Distortion Estimation and Compensation for High Precision Metal Sheet Inspection System with Digital Still Camera Shinya Kitazawa, Toru Washizu, Hidenori Watanabe, Kotaro Sato, Norihisa Terasawa, Akira Hirosawa, Shogo Muramatsu, Takamasa Suzuki (Niigata Univ.), Mitsuyoshi Murata (TechnoCare Corp.), Toshiro Oitate (Totsuka Metal Industry Corp.) CAS2011-107 SIP2011-127 CS2011-99 |
In this report, a fast and automatic metal sheet inspection system by digital still camera is introduced. This system aq... [more] | CAS2011-107 SIP2011-127 CS2011-99 pp.1-6 |
| OPE, OFT | 2012-03-02 15:25 |
Tokyo | Optical Tunable Delay Circuit Using Optical Fourier Transformation Tomoyuki Watanabe, Tomohiko Ono, Quang Nguyen-The, Motoharu Matsuura, Naoto Kishi (UEC) OFT2011-82 OPE2011-208 |
In order to realize an optical tunable delay circuit without waveform distortion, optical Fourier transformation is appl... [more] | OFT2011-82 OPE2011-208 pp.47-51 |
|
| SAT, SANE (Joint) |
2012-02-17 10:15 |
Mie | Improving interception tolerability of existing satellite earth stations Yoshinori Suzuki, Katsuya Nakahira, Takatoshi Sugiyama (NTT) SAT2011-75 |
This paper proposes a novel interception tolerability improving technique for existing satellite earth stations. When de... [more] | SAT2011-75 pp.61-66 |
|
| NC, MBE (Joint) |
2011-03-08 15:25 |
Tokyo | Tamagawa University | The Formulation of Time-Offset Curve by the Phase Description Ryo Toriumi (TITECH), Keisuke Ota (Riken), Toru Aonishi (TITECH) NC2010-180 |
Rodent hippocampal CA1 place cells are known as the cells which encode the location of moving rats by theta phase preces... [more] | NC2010-180 pp.313-318 |
| OCS, OPE (Joint) |
2010-05-21 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Information rates of PSK signal transmission in a system including all-optical amplitude limiters Masatomo Kobayashi, Yusuke Yahata, Masayuki Matsumoto (Osaka Univ.) OCS2010-3 |
In this report, we theoretically evaluate information rates (IRs) for RZ-QPSK-signal transmission in a system where phas... [more] | OCS2010-3 pp.13-18 |
| IN, RCS (Joint) |
2010-04-27 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Performance Improvement of DDCE for IFDMA with Phase Rotation Kazunori Yamamoto, Koichi Adachi, Tomoaki Ohtsuki, Masao Nakagawa (Keio Univ.) RCS2010-17 |
Single-carrier frequency-division multiple-access (SC-FDMA), which can multiplex multiple users orthogonally by allocati... [more] | RCS2010-17 pp.97-102 |
| EA, US (Joint) |
2010-01-25 15:00 |
Osaka | Out-of-phase excitation for parametric loudspeaker
-- Effect of arrangment of ultrasonic projectors on parametric fields -- Akira Kikuchi, Yoshu Maekawa, Yoshiyuki Hara, Tomoo Kamakura, Hideyuki Nomura, Shinichi Sakai (Univ. of Electro-Comm.) US2009-95 EA2009-103 |
A parametric loudspeaker is practically promising because its directivity is much sharper than that of a conventional l... [more] |
US2009-95 EA2009-103 pp.43-46(US), pp.25-28(EA) |
|
| OPE, OME | 2009-11-13 14:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Signal Amplification and Photorefractive Phase Conjugation for Space Laser Communications Christian A. Schaefer (NICT) OME2009-60 OPE2009-155 |
Photorefractive phase conjugation is attractive for applying in future laser communications terminals due to its incorpo... [more] | OME2009-60 OPE2009-155 pp.39-44 |
| SANE | 2009-08-28 13:10 |
Kanagawa | JAXA Sagamihara campus | Low Phase Noise Ka-Band Coherent Transmission Function Added to X-Band Deep Space Digital Transponder Daichi Hirahara, Atsushi Tomiki, Tomoaki Toda (JAXA), Tatsuya Ichikawa, Takehiko Kobayashi (Tokyo Denki Univ.) SANE2009-55 |
A Ka-band coherent transmission function has been prototyped to be added to an existing X-band deep space digital transp... [more] | SANE2009-55 pp.15-20 |
| OCS | 2009-07-29 13:50 |
Shizuoka | Welcity Yugawara | A numerical study on the distortion compensation by spectral inversion applied to RZ-QPSK transmission Kyohei Kitagawa, Joji Maeda (Tokyo Univ. of Science) OCS2009-21 |
This paper presents a numerical study on the waveform distortion compensation in photonic systems using a mid-way optica... [more] | OCS2009-21 pp.13-16 |
| OCS | 2009-07-29 16:40 |
Shizuoka | Welcity Yugawara | Highly-sensitive optical multilevel transmission with direct detection Nobuhiko Kikuchi, Shinya Sasaki (Hitachi) OCS2009-27 |
An optical direct-detection (incoherent) multilevel signaling is one of the candidate of realizing next-generation cost-... [more] | OCS2009-27 pp.43-47 |
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