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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SCE | 2024-01-23 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Frequency-modulated terahertz source made of intrinsic Josephson junctions of high-temperature superconductors Nozomi Yagyu, Masahi Miyamoto, Ryota Kobayashi (Kyoto Univ), Manabu Tsujimoto (AIST), Itsuhiro Kakeya (Kyoto Univ)  SCE2023-25 |
Terahertz waves are electromagnetic waves in the frequency range between radio waves and light waves, and are expected t... [more] | SCE2023-25 pp.13-18 |
| SR, UWT (Joint) |
2023-01-26 15:50 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] | |
| IT, RCS, SIP | 2023-01-25 14:10 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Differential OFDM with Parallel Blind Demodulation Employing Different Re-Samplers for Underwater Acoustic Communications Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.) IT2022-63 SIP2022-114 RCS2022-242 |
Underwater acoustic communications (UWAC) suffer from double selectivity, where doubly-selective channels suffer from se... [more] | IT2022-63 SIP2022-114 RCS2022-242 pp.196-201 |
| RCS, AP, UWT (Joint) |
2022-11-15 14:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Differential OFDM for Severe Doubly-Selective Channels of Underwater Acoustic Communications Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2022-162 |
It is well known that wireless transmission technologies employing spatial combining and adaptive equalization and those... [more] | RCS2022-162 pp.43-48 |
| ITS, IEE-ITS, IPSJ-ITS | 2022-09-16 13:20 |
Tokyo | Waim Meeting Room (Primary: On-site, Secondary: Online) |
A Study on Frequency Estimation by using Multiple Ultrasonic Sensors for Burst Signals Toshiaki Matsushima, Hiroyuki Hatano, Kosuke Sanada, Kazuo Mori (Mie Univ.), Asuka Tsujii, Takashi Kasashima (NGK SPARK PLUG), Takaya Yamazato (Nagoya Univ.) ITS2022-6 |
We discuss a frequency estimation algorithm for an incoming ultrasonic burst signal in order to determine the motion and... [more] | ITS2022-6 pp.1-6 |
| SANE | 2022-08-18 14:30 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Observation of Doppler frequency shift and time of flight of a Morse code propagating through ionosphere Takashi Iwamoto, Mao Konishi (Mitsubishi Electric) SANE2022-36 |
High frequency radio wave is known to deform during propagation through ionosphere. Precise observation of its deformati... [more] | SANE2022-36 pp.18-20 |
| US | 2022-06-30 10:55 |
Osaka | Kansai University (Senriyama Campus) | Verification to improve the accuracy of acoustic impedance evaluation at very high frequencies Akira Hashimoto, Kenji Yoshida, Shinnosuke Hirata (Chiba Univ.), Hitoshi MAruyama (Juntendo Univ.), Tadashi Yamaguchi (Chiba Univ.) US2022-10 |
When using ultrahigh-frequency ultrasound with a center frequency of 250 to 300 MHz to evaluate the acoustic impedance o... [more] | US2022-10 pp.5-9 |
| US | 2021-08-27 16:00 |
Online | Online | Preliminary study on the frequency dependence of the speed of sound of > rat organs Mai Ino, Kazuma Noguchi, Suguru Seto (Chiba Univ.), Masaaki Omura (Univ. of Toyama, Chiba Univ.), Kazuki Tamura (Hamamastu Univ. Sch. of Med.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2021-32 |
Many studies for quantitative ultrasound (QUS) assessment at frequency band of clinical studies (1-15 MHz) and high fre... [more] | US2021-32 pp.26-30 |
| SRW, SeMI, CNR (Joint) |
2020-11-26 09:00 |
Online | Online | Doppler Frequency Detection Using Channel Impulse Response Kazuma Hotta, Satoshi Denno, Hou Yafei (Okayama Univ.) SRW2020-25 |
With the spread of the Internet of Things (IoT), the detection of terminal movement has become an issue. In the IoT, the... [more] | SRW2020-25 pp.1-6 |
| OPE, OCS, LQE | 2020-10-23 16:05 |
Online | Online | Molecule-sensing scheme in which pair of distant comb-lines (delta 174 GHz) from all-optical semiconductor gate resonantly crosses acetylene-molecule's counterpart-pair of absorption lines. Naoki Takahashi, Chaoyi Wang, Kyosuke Nagasaka, Yushi Suzuki, Kodai Ishida, Yoshiyasu Ueno (UEC) OCS2020-20 OPE2020-43 LQE2020-23 |
Portable dilute-gas-molecule-density measurement systems are bases for monitoring environmental load-gas densities in in... [more] | OCS2020-20 OPE2020-43 LQE2020-23 pp.61-66 |
| EA, ASJ-H | 2020-07-21 11:50 |
Online | Online | Evaluation of components for new auditory signal in automobile Yoshinori Kamizono, Takao Onoye, Wataru Kobayashi (Osaka Univ.), Daisuke Okamoto EA2020-13 |
The purpose of this study is to contribute to driving environment with safe and comfortable by next-generation auditory ... [more] | EA2020-13 pp.71-78 |
| EA, US (Joint) |
2020-01-22 14:00 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Observations of non-audible sound from carbon fiber materials and implementation of frequency shift to the range of audibility signals using multirate techniques Yuta Hayashi, Yoji Yamada (NIT, Ishikawa College) EA2019-97 |
This paper describes observation results of the breaking sound of carbon fiber reinforced plastics (CFRP) materials. A m... [more] | EA2019-97 pp.77-81 |
| RCS | 2019-04-19 10:55 |
Hokkaido | Noboribetsu Grand Hotel | Blind Source Separation in Nonlinear Mixture: Separation and a Multi-Subspace Representation Lu Wang, Tomoaki Ohtsuki (Keio Univ.) RCS2019-16 |
The process deals with blind source separation in the nonlinear domain is to estimate the original signals or mixture fu... [more] | RCS2019-16 pp.73-78 |
| MW | 2018-12-14 14:10 |
Kanagawa | Kanagawa Univ. | Investigation of micro sample heating for wide frequency band by open end coaxial irradiation system Jun-ichi Sugiyama, Chika Sato (AIST) MW2018-135 |
When enzyme reaction is carried out under microwave irradiation, reaction selectivity and reaction rate improvement diff... [more] | MW2018-135 pp.115-120 |
| OPE, LQE, OCS | 2018-10-18 16:35 |
Saga | Phase Measurement Method for Millimeter-wave 3-tone Signal using Electro-optic Frequency Conversion Takashi Mori, Shigenori Mattori (Anritsu) OCS2018-38 OPE2018-74 LQE2018-63 |
A phase measurement method for millimeter-wave 3-tone signal has been proposed using electro-optic frequency conversion ... [more] | OCS2018-38 OPE2018-74 LQE2018-63 pp.55-59 |
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| SANE | 2018-10-12 11:20 |
Tokyo | The University of Electro-Communications | Evaluation of Characteristics of Recursive Signal Subtraction Frequency Estimation Method and Consideration of Application to Stepped Multiple Frequency CPC Kazuki Yamaguchi, Kazuhiro Watanabe, Manabu Akita, Takayuki Inaba (UEC) SANE2018-48 |
Authors have proposed a multi-frequency step CPC(complementary phase code) method that can obtain high range resolution ... [more] | SANE2018-48 pp.23-28 |
| RCS, SR, SRW (Joint) |
2018-03-01 10:50 |
Kanagawa | YRP | Performance comparison of multi-user shared multiple access (MUSA) transmission scheme in uplink fading channels Eiji Okamoto (NITech), Manabu Mikami, Hitoshi Yoshino (SoftBank) RCS2017-365 |
In the fifth generation mobile communications system (5G), as a realizing technology for accommodating the wireless conn... [more] | RCS2017-365 pp.259-264 |
| US, EA (Joint) |
2018-01-23 13:00 |
Osaka | [Poster Presentation]
Mechanical properties on disruption of microcapsules by ultrasonic irradiation Shohei Yamanaka, Takashi Ikeno, Naoto Goda, Keisuke haraguchi, Ken Yamamoto (Kansai Univ.) US2017-84 |
Recently, numerous studies on the inactivation of microorganisms in water have been reported. One such study deals with ... [more] | US2017-84 pp.13-16 |
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| SP, ASJ-H | 2018-01-20 14:55 |
Tokyo | The University of Tokyo | [Poster Presentation]
Automatic speech quality control of English listening materials and examination of Japanese learners’ listening ability in terms of robustness Zhang Haoyu, Inoue Yusuke, Saito Daisuke, Minematsu Nobuaki (UTokyo), Yamauchi Yutaka (TIU), Masuda Hinako (SeikeiU) SP2017-71 |
When a speaker speaks and a listener listens to that speaker, extra-linguistic and environmental factors often degrade t... [more] | SP2017-71 pp.31-34 |
| MW | 2017-12-19 11:20 |
Tokyo | A study on Frequency Identification of Received RF Signal in Wideband Direct RF Undersampling Frequency Sensor Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2017-144 |
Recently, with the popularization of wireless IoT (Internet of Things), real time frequency sensing technology for multi... [more] | MW2017-144 pp.13-18 |
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