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Committee Date Time Place Paper Title / Authors Abstract Paper #
PN 2020-08-24
Online Online 4-bit Photonic Digital-to-Analog Conversion Using a Frequency Chirp in a Semiconductor Optical Amplifier
Masaki Sagara, Takuya Okada, Wang Rui, Motoharu Matsuura (Univ. of Electro-Commun.) PN2020-13
In semiconductor optical amplifiers (SOAs), when an optical signal is amplified, the frequency chirp is induced at the l... [more] PN2020-13
- 2020-05-15
Overseas CU, Bangkok, Thailand A 135GHz Frequency Tripler in 40 nm CMOS Technology
Koki Sekine, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science)
With the spread of IoT, high-speed and large-capacity wireless communication has been demanded. Therefore, the IEEE Std ... [more]
PN 2020-03-03
Kagoshima   Photonic digital-to-analog and analog-to-digital conversion based on frequency chirp in SOAs
Takuya Okada, Wang Rui, Masaki Sagara, Motoharu Matsuura (UEC) PN2019-66
Frequency chirp is a unique phenomenon in semiconductor optical amplifiers (SOAs), and provides intensity-to-frequency c... [more] PN2019-66
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
EE 2020-01-16
Kagoshima HOUZAN HALL Digitally controlled LLC converter with burst mode operation
Tomohiro Hirabara, Terukazu Sato (Oita Univ.) EE2019-72
Burst mode operation is performed to improve efficiency and voltage control in the light load region of LLC converter. I... [more] EE2019-72
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Poster Presentation] Photonic Analog-to-Digital and Digital-to-Analog Conversion Using Semiconductor Optical Amplifiers
Takuya Okada, Ryuichi Kobayashi, Wang Rui, Masaki Sagara, Motoharu Matsuura (UEC)
Frequency chirp is a unique phenomenon in semiconductor optical amplifiers (SOAs), and provides intensity-to-frequency c... [more]
EE, OME, CPM 2019-11-26
Tokyo Japan Society for the Promotiton of Machine Industry Phase-Modular Three-Phase Multi-Resonant AC-DC Converter based on Single-Stage Frequency Conversion Principle
Shoya Mitsui, Tomokazu Mishima (Kobe Univ.) EE2019-38 CPM2019-80 OME2019-24
single-stage high frequency-link soft-switching three-phase ac-dc converter for data center is presented in this paper. ... [more] EE2019-38 CPM2019-80 OME2019-24
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
- 2019-11-02
Overseas Xidian University [Poster Presentation] A Wireless Power Transfer System with Frequency Conversion Characteristic
Jie Yang, Yan Shi (Xidian Univ.)
A series-series (SS) topology based wireless power transfer (WPT) system with frequency conversion characteristic has be... [more]
Miyagi Research Institute of Electrical Communication, Tohoku Univ. [Invited Lecture] Study on Radio-over-fiber-based radio relay system using block frequency conversion
Atsushi Kanno, Naokatsu Yamamoto (NICT) CS2019-51
To enhance spectral efficiency, we discuss a concept of the block frequency conversion technique for simultaneous recept... [more] CS2019-51
MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] 2019-07-19
Hokkaido Hakodate City Central Library Widening the polarization conversion properties of an L-figured Si-wire waveguide
Yuto Nakagawa, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EMT2019-38 MW2019-51 OPE2019-42 EST2019-40 MWP2019-38
We present the design guideline of a polarization converter consisting of an L-figured Si-wire waveguide that operates o... [more] EMT2019-38 MW2019-51 OPE2019-42 EST2019-40 MWP2019-38
EE, IEE-HCA 2019-05-16
Tokyo Kikai-Shinko-Kaikan Bldg. Digital Control of LLC Converter -- Consideration of Frequency Resolution and AD Conversion Resolution --
Hironori Takemoto, Terukazu Sato (Oita Univ.) EE2019-1
In this research, the sufficient resolution of frequency and AD conversion of the micro control unit that is used in the... [more] EE2019-1
EE, IEE-HCA 2019-05-16
Tokyo Kikai-Shinko-Kaikan Bldg. A Design of Peak Current Detector Considering Processing and Wiring Delay
Yudai Furukawa (Fukuoka Univ.), Kazuya Uetsuhara, Yuichiro Shibata (Nagasaki Univ.), Tadashi Suetsugu (Fukuoka Univ.), Fujio Kurokawa (NiAS) EE2019-4
The current mode control is used to realize high stability and quick response as the control method for dc-dc converters... [more] EE2019-4
OFT 2019-05-16
Osaka I-site NANBA [Poster Presentation] Photonic Digital-to-Analog Conversion Using Frequency Chirp in a Quantum-Dot Semiconductor Optical Amplifier
Takuya Okada, Ryuichi Kobayashi, Motoharu Matsuura (UEC) OFT2019-6
In this work, we propose a photonic digital-to-analog conversion (PDAC) based on frequency chirp using a SOA and followi... [more] OFT2019-6
EE, IEE-HCA 2019-05-16
Tokyo Kikai-Shinko-Kaikan Bldg. Automatic notch generation and conversion voltage ratio analysis in pulse coding control switching converter
Yifei Sun, Minhtri Tran, Yasunori Kobori, Anna Kuwana, Haruo Kobayashi (Gunma Univ) EE2019-7
This paper proposes an EMI spread spectrum technology with automatically setting the notch frequency using the pulse cod... [more] EE2019-7
SIS 2019-03-07
Tokyo Tokyo Univ. Science, Katsushika Campus A Proposal of Image Lightness Conversion and Sharpening Taking Account of Visual Feature of Elderly Person
Daiki Moriyama (Yamaguchi Univ.), Chiaki Ueda (Okayama Univ. of Science), Tadahiro Azetsu (Yamaguchi Prefectural Univ.), Noriaki Suetake, Eiji Uchino (Yamaguchi Univ.) SIS2018-49
The performance of human visual functions degrades with age. For instance, the visual field becomes dark owing to a decr... [more] SIS2018-49
Miyagi Tohoku Univ. A Study on Detecting Event Related Potential P300 Converted to Frequency Component using Convolutional Neural Network
Takahiro Takeichi, Tomohiro Yoshikawa, Takeshi Furuhashi (Nagoya Univ.) NC2018-18
P300 is an event related potential in the electroencephalogram (EEG) elicited by visual or sound stimulus and used for P... [more] NC2018-18
OPE, LQE, OCS 2018-10-18
Saga   Study on our all-optical-gate-type mode-locked laser's ring-laser-cavity configuration for modelling and then enhancing its output quantum-conversion efficiency
Kodai Ishida, Kengo Okano, Kyosuke Nagasaka, Batkhuyag Ganbat, Yukihiro Ishii, Makoto Takeshita, Yoshiyasu Ueno (UEC) OCS2018-35 OPE2018-71 LQE2018-60
We are expecting that mode-locked lasers are potentially one- or two-step more functional light sources when they are ad... [more] OCS2018-35 OPE2018-71 LQE2018-60
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
US 2018-10-04
Miyagi   Comparison between new kt2 extraction method and conventional methods for film/substrate structure -- Resonant frequency ratio method, conversion loss method, resonant spectrum method, and resonance antiresonance method --
Makoto Totsuka, Takahiko Yanagitani (Waseda Univ.) US2018-52
The electromechanical coupling coefficient kt2 is an important parameter for determining the performances of the RF piez... [more] US2018-52
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