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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 216  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MI, MICT [detail] 2021-11-05
14:05
Online Online Alzheimer Dementia Detection Based on Unstable Sinusoidal Component Extracted from Circadian Rhythm of Heart Rate by Trigonometric Approximation
Naoya Matsuda, Iko Nakari, Keiki Takadama (UEC)
(To be available after the conference date) [more]
OCS, OPE, LQE 2021-10-22
16:55
Online Online Theoretical and Experimental Investigation of OMA Penalty by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators
Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2021-19 OPE2021-39 LQE2021-18
In this paper, an inter-arm imbalance and its impact on the optical modulation amplitude (OMA) are investigated for carr... [more] OCS2021-19 OPE2021-39 LQE2021-18
pp.33-38
OFT 2021-10-14
10:30
Online Online [Poster Presentation] Amplitude responses characterization of hetero-core optical fiber accelerometer with fixed supports at both ends for low frequency vibration monitoring
Miyuki Kadokura (Soka Univ.), Hiroshi Yamazaki (CSJ), Michiko Nishiyama, Kazuhiro Watanabe (Soka Univ.) OFT2021-29
In this paper, a hetero-core optical fiber accelerometer with the weight has been evaluated with respect to acceleration... [more] OFT2021-29
pp.33-34
PN 2021-08-31
14:50
Online Online Evaluation of power adaptive IQ multiplexed 16QAM method for downlink transmission of coherent PON system
Mizuki Inagaki (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2021-24
In the downlink transmission of a coherent PON system using QAM modulation, when IQ multiplexing, which allocates I-axis... [more] PN2021-24
pp.69-73
PN, NS, OCS
(Joint)
2021-06-25
15:50
Online Online Study of the Effect on Soft-decision Decoding of the Coherent M-QAM using Multi-stage symbol Placement Retention Masking
Keiji Shimada, Masahiro Misumi, Takahiro Kodama (Kagawa Univ.) OCS2021-8
In recent digital coherent optical communication systems, to keep data highly confidential, research is being conducted ... [more] OCS2021-8
pp.35-39
US 2021-06-18
16:25
Online Online Basic study of discrimination evaluation of fibers and fats in organs by amplitude enveloping characteristic analysis
Yuki Ujihara (Chiba Univ.), Kazuki Tamura (Hamamatsu Med. Univ.), Shohei Mori (Tohoku Univ.), Po-Hsiang Tsui (Chang Gung Univ.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) US2021-15
In recent years, the quantitative evaluation of liver diseases such as NASH, in which fibrous tissue and fat droplets ar... [more] US2021-15
pp.41-44
IE, SIP, BioX, ITE-IST, ITE-ME [detail] 2021-06-04
10:00
Online Online A Study on Performance Improvement of User Verification Using Intra-Palm Propagation Signals
Tomoaki Oku, Kohei Fujita, Isao Nakanishi (Tottori Univ.) SIP2021-7 BioX2021-7 IE2021-7
In this study, we focus on biometric authentication using intra-palm propagation signal, which are a new type of biometr... [more] SIP2021-7 BioX2021-7 IE2021-7
pp.32-35
IE, SIP, BioX, ITE-IST, ITE-ME [detail] 2021-06-04
11:45
Online Online Frequency-domain Robust Principal Component Analysis
Manabu Sueyasu, Seisuke Kyochi (The Univ. of Kitakyushu), Shunsuke Ono (Tokyo Tech) SIP2021-10 BioX2021-10 IE2021-10
Low-rank modeling is one of the most effective approaches that can analyze and extract isomorphic components from an obs... [more] SIP2021-10 BioX2021-10 IE2021-10
pp.46-50
SR 2021-05-20
10:25
Online Online Energy Detection for M-QAM Signals
Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) SR2021-2
In this paper, we compare several analyses of energy detection for $M$-ary quadrature amplitude modulation (QAM) signals... [more] SR2021-2
pp.8-15
SANE 2021-01-29
13:20
Online Online A study of new ocean wave measurement methods
Akitsugu Nadai (NICT) SANE2020-50
Information on ocean waves is important for ensuring safety in marine activities. Conventionally, wave gauges installed ... [more] SANE2020-50
p.67
OFT 2021-01-15
15:25
Online Online Input power and modulation frequency dependence of fiber fuse initiation suppression by amplitude modulation
Daiki Shimokura, Yuya Sugimoto, Kenji Kurokawa (KIT) OFT2020-54
We studied suppression characteristics of fiber fuse initiation by amplitude modulation (AM) of the input light in SMF a... [more] OFT2020-54
pp.47-50
QIT
(2nd)
2020-12-10
13:00
Online Online [Poster Presentation] Precision phase measurement in Mach-Zehnder interferometer with three-photon by using a weak coherent and a two-photon state
Lifeng Duan, Aojie Xu, Masayoshi Watanabe, Yun Zhang (UEC)
We carry out investigation on the precision phase measurement with three-photon in Mach-Zehnder interferometer by inject... [more]
SAT, RCS
(Joint)
2020-08-21
16:25
Online Online Multi-level QAM Single Carrier Block Transmission Scheme for Acoustic Communications and Consideration of the Frame Structure
Katsuyoshi Yamamoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2020-91
This paper discusses effective frame structure for single carrier block (SCB) transmission in a double selectivity envir... [more] RCS2020-91
pp.69-74
RCS, SR, SRW
(Joint)
2020-03-06
14:30
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Invited Lecture] Study on Constant-Amplitude OFDM Scheme
Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech.) RCS2019-391
Orthogonal frequency-division multiplexing (OFDM) can be considered one of the most effective transmission schemes for d... [more] RCS2019-391
p.371
ITE-HI, IE, ITS, ITE-MMS, ITE-ME, ITE-AIT [detail] 2020-02-28
13:30
Hokkaido Hokkaido Univ.
(Cancelled but technical report was issued)
Basic experiment on single-shot detection of SQAM signal beam by transport-of-intensity equation method
Soichiro Sumida, Masatoshi Bunsen (Fukuoka Univ.)
Spatial quadrature amplitude modulation (SQAM) method which modulates intensity and phase of a signal beam, is a techniq... [more]
ITE-HI, IE, ITS, ITE-MMS, ITE-ME, ITE-AIT [detail] 2020-02-28
13:45
Hokkaido Hokkaido Univ.
(Cancelled but technical report was issued)
Reproduction of SQAM signal for holographic memory and Estimation of recording density
Satoshi Honma, Haruki Funakoshi (Yamanashi Univ.)
Recording scheme of Spatial quadrature amplitude modulation (SQAM) signal whose amplitude and phase are individually mod... [more]
SR 2019-12-06
11:15
Okinawa Ishigaki City Hall (Ishigaki Island) Energy Detection for M-QAM Signal
Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) SR2019-103
In this paper, we address energy detection for M-ary quadrature amplitude modulation (QAM) signal.
Typically, statisti... [more]
SR2019-103
pp.83-86
RISING
(2nd)
2019-11-26
10:30
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Poster Presentation] Energy detection for M-QAM signal
Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO)
In this presentation, we address energy detection for M-ary quadrature amplitude modulation (QAM) signal. Typically, sta... [more]
NLP 2019-09-24
14:45
Kochi Eikokuji Campus, University of Kochi Time-frequency analysis with a fractional AM wave
Fumihiko Ishiyama (NTT) NLP2019-60
We are investigating a method of time-frequency analysis, which is a superset of Fourier analysis. We applied our method... [more] NLP2019-60
pp.129-132
EA, ASJ-H 2019-08-09
10:30
Miyagi Tohoku Univ. Study on Robust Method for Blindly Estimating Speech Transmission Index using Convolutional Neural Network with Temporal Amplitude Envelope
Suradej Doungpummet (JAIST), Jessada Karunjana (NASDA), Waree Kongprawechnon (SIIT), Masashi Unoki (JAIST) EA2019-30
We have developed a robust scheme for blindly estimating speech transmission index (STI) in noisy reverberant environmen... [more] EA2019-30
pp.47-52
 Results 1 - 20 of 216  /  [Next]  
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