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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NLP, CAS | 2023-10-06 14:30 |
Gifu | Work plaza Gifu | A Study on Amplitude-Phase Distortion in Amplifiers Satoshi Tanaka, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.)  CAS2023-41 NLP2023-40 |
The output signal of a radio frequency (RF) amplifier used in a wireless system, for example, varies in amplitude and ph... [more] | CAS2023-41 NLP2023-40 pp.47-52 |
| EA | 2023-05-25 14:25 |
Online | Online | Improved SPICE Modeling of Vacuum Tubes for Low Plate Voltage Mitsuharu Arimura (Shonan Inst. Tech.) EA2023-2 |
We have measured the characteristics of vacuum tubes for plate voltages as low as 20-30V and fitted to a mathematical mo... [more] | EA2023-2 pp.9-14 |
| EA, ASJ-H | 2022-08-04 16:30 |
Miyagi | (Primary: On-site, Secondary: Online) |
SPICE Modeling of Vacuum Tubes for Low Plate Voltage
-- Comparison of Characteristics for Triode Connection of Pentodes and Triodes -- Mitsuharu Arimura (Shonan Inst. Tech.) EA2022-33 |
We measured the Ep-Ip characteristics of vacuum tubes and created SPICE models for low plate voltages (about 10V to 30V)... [more] | EA2022-33 pp.26-31 |
| US | 2022-05-19 14:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Transfer matrix simulation of Langevin type transducer driving including the nonlinear effect Kota Yokoyama (The Univ. of Tokyo/NGK Spark Plug), Takashi Kamashima (NGK Spark Plug), Susumu Miyake, Takeshi Morita (The Univ. of Tokyo) US2022-7 |
Bolt-clamped Langevin transducer are widely used for high-power applications; however, saturation of vibration velocity ... [more] | US2022-7 pp.26-31 |
| RCS, SR, SRW (Joint) |
2022-03-04 16:25 |
Online | Online | Behavioral Modeling of RF Power Amplifiers using Binary Neural Network Taishi Watanabe, Takeo Ohseki, Kosuke Yamazaki (KDDI Research) RCS2021-293 |
With the increase in bandwidth in mobile communication systems, the effect of performance degradation due to nonlinear d... [more] | RCS2021-293 pp.207-211 |
| MSS, CAS, IPSJ-AL [detail] | 2021-11-18 11:45 |
Online | Online | Distortion Analysis of RF Power Amplifier Using Probability Density of Input Signal and AM-AM Characteristics Satoshi Tanaka (Murata Manufacturing) CAS2021-43 MSS2021-23 |
When confirming the ACLR (adjacent channel leakage power ratio), which are representative indicators of distortion in th... [more] | CAS2021-43 MSS2021-23 pp.34-39 |
| CAS, NLP | 2021-10-14 11:15 |
Online | Online | AM-AM Behavior Model that Reproduces the Gain Increase Phenomenon of RF Power Amplifier Satoshi Tanaka (Murata) CAS2021-20 NLP2021-18 |
In 5G (5th Generation) mobile phone, QAM (quadrature amplitude modulation) which has high PAPR (peak to average power ra... [more] | CAS2021-20 NLP2021-18 pp.17-22 |
| SIP, CAS, VLD, MSS | 2021-07-06 13:55 |
Online | Online | A Study on AM-AM/PM Characteristics and Distortion of Power Amplifiers for Mobile Phone Terminals Satoshi Tanaka (Murata Manufacturing) CAS2021-16 VLD2021-16 SIP2021-26 MSS2021-16 |
In 5G (5th Generation) mobile phone, QAM (quadrature amplitude modulation) which has high PAPR (peak to average power ra... [more] | CAS2021-16 VLD2021-16 SIP2021-26 MSS2021-16 pp.81-86 |
| MSS, CAS, SIP, VLD | 2020-06-18 10:50 |
Online | Online | A Study on AM-AM/PM Characteristics of RF Power Amplifiers Satoshi Tanaka (Murata Manufacturing) CAS2020-3 VLD2020-3 SIP2020-19 MSS2020-3 |
In 5G (5th Generation) mobile phone, maximum modulation bandwidth is enlarged from 100 to 400 MHz addition, complicated ... [more] | CAS2020-3 VLD2020-3 SIP2020-19 MSS2020-3 pp.11-16 |
| CAS, CS | 2019-03-09 14:35 |
Kanagawa | Shonan Institute of Technology | Analysis of Non-linearity on Heterojunction Bipolar Transistor Power Amplifiers for Mobile Phone Satoshi Tanaka (Murata) CAS2018-154 CS2018-122 |
In 5G (5th Generation) mobile phone, maximum modulation bandwidth is enlarged from100 to 400 MHz. In addition, complica... [more] | CAS2018-154 CS2018-122 pp.87-92 |
| SAT | 2017-10-27 15:30 |
Okinawa | Okinawa Cellular Telephone Company | Estimation Technique for Non-linear Characteristics for Satellite Transponder Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai, Shoji Tanaka (NHK) SAT2017-55 |
We previously proposed a digital pre-distortion technique that has transmitter-built-in satellite transponder characteri... [more] | SAT2017-55 pp.131-136 |
| US | 2015-09-04 11:20 |
Hokkaido | Measurement method of high-intensity aerial ultrasonic waves and their characteristics Youichi Ito (Nihon Univ.) US2015-57 |
We developed an aerial ultrasonic sound source which generated a ultrasonic wave the higher than that of a conventional ... [more] | US2015-57 pp.61-64 |
|
| SR | 2014-10-30 13:00 |
Overseas | I2R, Singapore | [Poster Presentation]
Non-linear distortion noise power control according to modulation schemes for cognitive radio systems Ren Kataoka, Yusuke Fujisawa, Shigeru Tomisato, Masaharu Hata (Okayama Univ.) SR2014-59 |
This paper evaluates transmission performance of a low-priority system with a non-linear distortion noise power control ... [more] | SR2014-59 pp.1-6 |
| RCC, ASN, NS, RCS, SR (Joint) |
2014-07-31 10:50 |
Kyoto | Kyoto Terrsa | [Poster Presentation]
A distortion noise power control method of OFDM transmission systems for cognitive radio Ren Kataoka, Yusuke Fujisawa, Shigeru Tomisato, Masaharu Hata (Okayama Univ.) RCC2014-34 NS2014-54 RCS2014-106 SR2014-35 ASN2014-53 |
This paper evaluates transmission performance with a non-linear distortion noise power control (DNC) method which contr... [more] | RCC2014-34 NS2014-54 RCS2014-106 SR2014-35 ASN2014-53 pp.63-68(RCC), pp.41-46(NS), pp.95-100(RCS), pp.83-88(SR), pp.71-76(ASN) |
| ICD | 2014-01-28 15:00 |
Kyoto | Kyoto Univ. Tokeidai Kinenkan | [Poster Presentation]
Diode Modeling with Lossy Nonlinear Capacitance Model Ryo Nahara, Kosuke Katayama, Kyoya Takano, Mizuki Motoyoshi, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima (Hiroshima Univ.) ICD2013-127 |
For precise estimation of power consumption and circuit characteristics, MOSFET models used in circuit simulation should... [more] | ICD2013-127 p.63 |
| NC | 2014-01-21 13:55 |
Fukuoka | Kyusyu Institute of Technology | Force generation in the elastic range of carbon blades toward the development of power assist tools when standing up and down in the bathroom Yuya Katsuki, Hiroaki Wagatsuma (Kyushu Inst. of Tech.) NC2013-82 |
We have investigated a possibility of carbon-fiber-reinforced plastic (CFRP) when applying to muscular power supports i... [more] |
NC2013-82 pp.89-94 |
| RCS, AP (Joint) |
2009-11-27 10:50 |
Tokyo | Tokyo Inst. of Tech. | Configuration of the Patch Antenna with Built-in PIM Source. Kenji Irie, Nobuhiro Kuga (Yokohama Nat'l Univ.) AP2009-132 |
The authors discuss an antenna to assess the measurement environments of antenna-intermodulation in this paper. The pro... [more] |
AP2009-132 pp.79-84 |
| OFT | 2009-10-29 15:40 |
Oita | The Study on Large Mode Area Holey Fiber Kazumasa Ohsono, Bing Yao, Akira Ogura, Hiroyuki Ohkubo, Akihito Hongo (Hitachi Cable,Ltd.) OFT2009-38 |
In the next generation large capacity transmission system, the low non-linearity and low loss optical fiber is required.... [more] | OFT2009-38 pp.27-30 |
|
| US | 2008-06-20 13:35 |
Chiba | Chiba Univ. | Elastic Registration of adominal CT volumes for percutaneous treatment
-- Basic reseach using CT data -- Nozomi Takahashi, Tadashi Yamaguchi (Chiba Univ.) US2008-17 |
The percutaneous treatment is the effective method for hepatocellular carcinoma (HCC). In order to enable accurate guide... [more] | US2008-17 pp.7-12 |
| OME | 2008-01-25 15:20 |
Aichi | Aichi Institute of Technology | Optical Bistability of Quasi-waveguide Consisted with π-Conjugated Polymer Film Koji Isogai, Shizuyasu Ochiai, Kenzo Kojima, Teruyoshi Mizutani (Aichi Inst. of Tech.) OME2007-80 |
π conjugated polymers have been attracted in many attentions as the material of optical devices such as optical switchin... [more] | OME2007-80 pp.37-42 |
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