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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 22  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2021-12-17
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
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
AP 2019-08-22
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
EA, SIP, SP 2019-03-15
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
- 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
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
SP 2018-08-27
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
(Joint) [detail]
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
SRW 2016-06-13
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
OPE, LQE, OCS 2015-10-30
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
MW, ICD 2015-03-05
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
SRW 2014-10-27
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
(Joint) [detail]
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)
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
- 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
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
LQE, LSJ 2011-05-20
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
SP 2010-11-18
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
EA 2010-06-11
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
AP 2009-01-21
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
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