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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2021-12-17 09:30 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
High-precision design of microstrip BPF considering the influence of cross coupling and the deviation of resonance frequency Yuga Umemoto, Satoshi Ono, Koji Wada (UEC)  MW2021-95 |
In this study, we propose a calculation method of design parameters for bandpass filter (BPF) considering a cross-coupli... [more] | MW2021-95 pp.61-66 |
| EMCJ, IEE-SPC (Joint) |
2019-11-15 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Fundamental study on optimizing measurement location of electric field strength distribution by sampling theorem Masataka Midori, Tomohiro Honya, Hiroshi Kurihara (TDK) EMCJ2019-74 |
Radiated emissions from electric devices are generally evaluated at a position where the maximum value is obtained in th... [more] | EMCJ2019-74 pp.17-22 |
| AP | 2019-08-22 11:30 |
Hokkaido | Hokkai-Gakuen Univ. | Study on Target Identification in Traffic Monitoring Using Millimeter Wave FM-CW Radar Kazuma Nishimura, Takahiro Horiuchi, Hiroyoshi Yamada (Niigata Univ.) AP2019-56 |
Recently, traffic monitoring systems using radar have been attracting attention, hence target identification by the rada... [more] | AP2019-56 pp.49-54 |
| EA, SIP, SP | 2019-03-15 13:30 |
Nagasaki | i+Land nagasaki (Nagasaki-shi) | [Poster Presentation]
Faster than real-time and audio sampling rate extraction of fo candidates using an analytic signal with prolate spheroidal wave function as envelope Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Masanori Morise (Univ. Yamanashi), Yuichi Ishimoto (NINJAL) EA2018-151 SIP2018-157 SP2018-113 |
We propose an extractor of fundamental frequency candidates which runs faster than real-time. It uses power weighted ave... [more] | EA2018-151 SIP2018-157 SP2018-113 pp.305-310 |
| WPT (2nd) |
2018-11-02 - 2018-11-04 |
Miyagi | Tohoku University | [Poster Presentation]
Miniaturized Frequency Selective Surface Using Spiral Capacitance Patch Ke Peng, Tao Hong, Wen Jiang, Yue Cui, Shuxi Gong (Xidian Univ.) |
In this paper, a miniaturized low-profile frequency selective surface with spiral structure is presented. By printing sp... [more] | |
| 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 |
|
| SP | 2018-08-27 11:00 |
Kyoto | Kyoto Univ. | Simple method for detecting GCI and GOI based on complex wavelet analysis with cosine series envelope Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido) SP2018-22 |
We propose to use an analytic signal made from a cosine series envelope which was specially designed for analyzing the s... [more] | SP2018-22 pp.1-5 |
| NLC, IPSJ-NL, SP, IPSJ-SLP (Joint) [detail] |
2017-12-21 12:50 |
Tokyo | Waseda Univ. Green Computing Systems Research Organization | [Poster Presentation]
Realtime analysis and display of voice source periodicity Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Sciences Univ. Hokkaido) SP2017-59 |
This article introduces a real-time procedure for extraction and display of deviations from pure periodicity in voice ex... [more] | SP2017-59 pp.21-22 |
| SRW | 2016-06-13 13:55 |
Kanagawa | NICT Wireless Network Research Institute (NICT) | Improvement of Detection Sensitivity for BPSK Signals Tatsuya Kikuzuki, Akihiro Wada, Teruhisa Ninomiya (Fujitsu Labs.) SRW2016-28 |
As IoT (Internet of Things) systems become widespread, data communication may often be disturbed because of radio freque... [more] | SRW2016-28 pp.15-20 |
| OPE, LQE, OCS | 2015-10-30 15:50 |
Oita | Beppu International Convention Center | Flat optical frequency comb generated by semiconductor Mach-Zehnder modulator assisted by nonlinear phase modulation Nobuhide Yokota, Koichiro Abe, Hiroshi Yasaka (Tohoku Univ.) OCS2015-68 OPE2015-118 LQE2015-87 |
Optical frequency combs generated by an InP-based semiconductor Mach-Zehnder modulator (MZM) is numerically investigated... [more] | OCS2015-68 OPE2015-118 LQE2015-87 pp.137-140 |
| MW, ICD | 2015-03-05 13:45 |
Fukui | University of Fukui | Bandwidth Deviation Controlled Reconfigurable Bandpass Filter Using LC Parallel Coupling Circuit Takumi Kato, Ryosuke Kobayashi, Tetsunari Saito, Yasushi Yamao (UEC) MW2014-209 ICD2014-122 |
In recent years, mobile terminals have been required to cover wide range of RF frequencies for globalization and high ca... [more] | MW2014-209 ICD2014-122 pp.37-42 |
| SRW | 2014-10-27 13:00 |
Chiba | Chiba University | Blind symbol synchronization scheme for preambleless OFDM systems based on cyclic prefixes in multipath channels Wen-jian Wang, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) SRW2014-28 |
Symbol timing offset (STO) can cause phase offset (FO),inter-symbol interference (ISI) and inter-channel interference (I... [more] | SRW2014-28 pp.19-24 |
| OFT, OPE, OCS (Joint) [detail] |
2013-03-01 14:50 |
Tokyo | Measurement of Brillouin Frequency Shift Distribution in PLC by Brillouin Optical Correlation Domain Analysis Ryuji Watanabe, Masato Kishi, Zuyuan He, Kazuo Hotate (Univ. of Tokyo) OCS2012-111 OFT2012-87 OPE2012-205 |
We have measured Brillouin frequency shift distribution in a planar lightwave circuit (PLC) by Brillouin optical correla... [more] | OCS2012-111 OFT2012-87 OPE2012-205 pp.75-80(OCS), pp.95-100(OFT), pp.95-100(OPE) |
|
| NS, RCS (Joint) |
2011-12-15 09:35 |
Yamaguchi | Yamaguchi University | On PSK-ZCZ-CDMA Systems under Carrier Frequency Deviation Junya Yoshida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.), Noriyoshi Kuroyanagi (Chubu Univ.) RCS2011-233 |
A quasi-synchronous CDMA system, which uses a ZCZ code as a spreading code called ZCZ-CDMA achieves co-channel free perf... [more] | RCS2011-233 pp.7-10 |
| HCGSYMPO (2nd) |
2011-12-07 - 2011-12-09 |
Kagawa | Sun Port Hall Takamatsu | Voice authentication using Self-Organizing Maps
-- Examination of proper frequency band for female voices using variation compensation -- Tsubasa Hirasawa, Kazuhiro Notomi (KAIT), Keiichi Saito (International University of Health and Welfare) |
In this paper, we proposed a method of improving authentication accuracy of the female voices, and we discussed an exami... [more] | |
| MW | 2011-11-24 14:00 |
Okinawa | Frequencey dependence measurement of complex permittivity of quartz glass plates in 40 to 80GHz band Daisuke Komata, Masato Nakamura, Takashi Shimizu, Yoshinori Kogami (Utsunomiya Univ.) MW2011-114 |
Quartz glass is widely used as a substrate materials for microwave and millimeter wave circuits because it has low loss ... [more] | MW2011-114 pp.5-8 |
|
| LQE, LSJ | 2011-05-20 10:25 |
Ishikawa | Kanazawa Univ. (Natural Sci. Tech. Main Bldg.) | Physical Random Number Generation by Means of Diode Lasers' Frequency Noise Kohei Doi, Hideaki Arai, Shinya Maehara, Hiroki Takamori, Yoshihiko Matsumoto, Takashi Sato, Yasuo Ohdaira, Shuichi Sakamoto, Masashi Ohkawa (Niigata Univ.) LQE2011-3 |
Diode lasers are characterized by wideband frequency-noise output that is easily detected by frequency-selective element... [more] | LQE2011-3 pp.9-12 |
| SP | 2010-11-18 14:00 |
Aichi | Aichi Prefectural Univ. | [Invited Talk]
Speech signal decomposition based on auditory information representations
-- How to represent deviations from periodicity -- Hideki Kawahara (Wakayama Univ.) SP2010-73 |
Persistent effort for aiming reconstruction of speech processing technologies based on perceptually relevant auditory re... [more] | SP2010-73 pp.23-28 |
| EA | 2010-06-11 15:30 |
Hokkaido | Health Sci. Univ. of Hokkaido | Relevant Frequency band for vocal tract length normalization based on spectral distance Erika Okamoto, Yoshiki Asaka, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ.) EA2010-36 |
Normalization of speaker dependent spectral differences is an important issue in speech applications, such as automatic ... [more] | EA2010-36 pp.83-88 |
| AP | 2009-01-21 13:00 |
Fukuoka | Fukuoka University | A study on year-to-year variation of the frequency scaling characteristics in Ka and Ku band satellite communication links Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) AP2008-150 |
Long-term rain attenuation statistics of the Ka and Ku band satellite signals obtained from 1986 to 2006 at Osaka Electr... [more] | AP2008-150 pp.1-6 |
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