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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-04 15:45 |
Online | Online | Nonlinear Modeling of Electro-dynamic Loudspeaker by Nonlinear IIR Filter Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.)  EA2020-86 SIP2020-117 SP2020-51 |
In this paper, we introduce the nonlinear modeling of an electro-dynamic loudspeaker by a nonlinear IIR filter. There ar... [more] | EA2020-86 SIP2020-117 SP2020-51 pp.158-163 |
| CS | 2020-07-17 13:30 |
Hokkaido | Ripura(Rishiri Fuji) (Primary: On-site, Secondary: Online) |
Device identification based on RF circuit imperfections Taisei Nakada, Ryota Shinoda, Yuichi Miyaji, Hideyuki Uehara (TUT) CS2020-31 |
In this report we introduce device identification based on physical information specific to wireless devices, which is a... [more] | CS2020-31 pp.61-66 |
| SIP, EA, SP, MI (Joint) [detail] |
2018-03-19 13:00 |
Okinawa | [Poster Presentation]
Formulation of frequency characteristic of second-order nonlinear IIR filter Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) EA2017-129 SIP2017-138 SP2017-112 |
In this paper, formulation of a frequency characteristic of a second-order nonlinear IIR filter is presented. The second... [more] | EA2017-129 SIP2017-138 SP2017-112 pp.155-160 |
|
| SIP | 2017-08-24 14:40 |
Tokyo | Tokyo Denki University | Computational Complexity Reduction for Third-order Volterra Filter Based on Singular Value Decomposition and the Application to the Compensation of Third-order Nonlinear Distortions Yuya Nakahira, Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) SIP2017-53 |
Nonlinear distortions of loudspeaker systems affect the sound quality and should be accordingly compensated by any lin... [more] |
SIP2017-53 pp.27-32 |
| SP, SIP, EA | 2017-03-02 09:00 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
Parameter estimation method for mirror filter based on quadratically constrained quadratic optimization
-- A study on a estimation using measured displacement of the diaphragm -- Kenta Iwai (Kansai Univ.), Masao Yamagishi (Tokyo Tech), Yoshinobu Kajikawa (Kansai Univ.) EA2016-127 SIP2016-182 SP2016-122 |
This paper shows the parameter estimation results using the measured displacement of the diaphragm by parameter estimati... [more] | EA2016-127 SIP2016-182 SP2016-122 pp.255-260 |
| PN | 2016-09-01 14:05 |
Hokkaido | KKR Hakodate | [Invited Talk]
Fiber Nonlinearity Mitigation by Digital Signal Processing Tomofumi Oyama (Fujitsu Labs), Hisao Nakashima, Takeshi Hoshida (Fujitsu), Takahito Tanimura (Fujitsu Labs), Yuichi Akiyama (Fujitsu), Zhenning Tao (FRDC) PN2016-17 |
Digital-coherent technology has become an imperative technology for backbone optical communication systems, since linear... [more] | PN2016-17 pp.15-21 |
| EA, SP, SIP | 2016-03-28 13:15 |
Oita | Beppu International Convention Center B-ConPlaza | [Poster Presentation]
A Study on Compensation Ability of 3rd-order Nonlinear Distortions using Mirror Filter Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) EA2015-91 SIP2015-140 SP2015-119 |
In this paper, we discuss the compensation ability of 3rd-order nonlinear distortions using Mirror filter. The multiple ... [more] | EA2015-91 SIP2015-140 SP2015-119 pp.147-152 |
| MSS, CAS, SIP, VLD | 2015-06-18 12:00 |
Hokkaido | Otaru University of Commerce | Compensation of Nonlinear Distortions for Parametric Array Loudspeakers
-- In the case of changing the amplitude of input signal -- Yuta Hatano, Satoshi Kinoshita, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) CAS2015-19 VLD2015-26 SIP2015-50 MSS2015-19 |
Reproduction sound of the parametric array loudspeaker (PAL) contains many nonlinear distortions. Nonlinear distortions... [more] |
CAS2015-19 VLD2015-26 SIP2015-50 MSS2015-19 pp.99-102 |
| SIP, EA, SP | 2015-03-03 10:45 |
Okinawa | [Poster Presentation]
A Study on Compensation Ability of Mirror Filter Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) EA2014-115 SIP2014-156 SP2014-178 |
In this paper, we discuss the compensation ability of Mirror filter. The multiple sinusoidal wave is used for evaluation... [more] | EA2014-115 SIP2014-156 SP2014-178 pp.237-242 |
|
| SIP, EA, SP | 2015-03-03 10:45 |
Okinawa | [Poster Presentation]
Compensation of Nonlinear Distortions for Parametric Array Loudspeakers
-- Reduction of Computational Complexity of Volterra Filters and the Compensation Effects -- Yuta Hatano, Satoshi Kinoshita, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) EA2014-119 SIP2014-160 SP2014-182 |
Reproduction sound of the parametric array loudspeaker (PAL) contains many nonlinear distortions. Therefore we proposed ... [more] | EA2014-119 SIP2014-160 SP2014-182 pp.261-266 |
|
| EA, US (Joint) |
2014-01-28 10:00 |
Osaka | Kansai University, Centenary Memorial Hall | A comparison of compensation amount of nonlinear distortions in electrodynamic loudspeaker using Mirror filter Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) EA2013-109 |
In this paper, we compare the efficiency of compensating nonlinear distortions in electrodynamic loudspeaker system usin... [more] | EA2013-109 pp.33-38 |
| EA | 2013-03-12 14:00 |
Saitama | KDDI R&D Laboratories | Subjective Evaluation of Compensation Performance for the 2nd-order Nonlinear Distortion of Loudspeaker Systems Ryuhei Kishi, Yoshinobu Kajikawa (Kansai Univ.) EA2012-146 |
Loudspeaker systems contain nonlinear distortions in their output owing to their complicated structure.A method of compe... [more] | EA2012-146 pp.31-36 |
| EMD | 2012-12-21 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Talk]
Estimation of contact condition by nonlinear resistance Isao Minowa (Tamagawa Univ.) EMD2012-93 |
Abstract Nonlinear resistances of contact interface depend on current constriction and barriers. The first one causes t... [more] | EMD2012-93 pp.13-20 |
| OCS | 2012-07-26 13:15 |
Shizuoka | Impact ofPerturbation Back-propagation Algorithm on Nonlinear Distortions in 224 Gb/s DP-16QAM Transmission Shoichiro Oda (Fujitsu), Takahito Tanimura (Fujitsu Lab.), Takeshi Hoshida, Yuichi Akiyama, Hisao Nakashima (Fujitsu), Kyosuke Sone (Fujitsu Lab.), Yasuhiko Aoki (Fujitsu), Weizhen Yan, Zhenning Tao, Liang Dou, Lei Li (FRDC), Jens C. Rasmussen (Fujitsu), Yoshinori Yamamoto, Takashi Sasaki (SEI) OCS2012-21 |
Nonlinearity compensation algorithm and soft-decision forward error correction are key technologies for future high-capa... [more] | OCS2012-21 pp.1-6 |
|
| EA | 2010-11-18 14:45 |
Fukuoka | Kyushu Univ. | Linearization of Dyanamic Loudspeaker System Using Second-Order Nonlinear IIR Filter Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) EA2010-87 |
In this paper, we propose a linearization method of dyanamic loudspeaker system using a second-order nonlinear IIR Filte... [more] | EA2010-87 pp.19-24 |
| EA, US (Joint) |
2009-01-29 14:15 |
Kyoto | An Evaluation of Linearization Methods for Loudspeaker Systems Using Dynamic Distortion Method Shoichi Kitagawa, Yoshinobu Kajikawa (Kansai Univ.) EA2008-119 |
In this paper, we demonstrate the compensation effect of the nonlinear distortions for the loudspeaker system using the ... [more] | EA2008-119 pp.19-24 |
|
| EA | 2008-10-23 16:30 |
Toyama | Nonlinearity Improvement Using Input-Output Characteristics of Electromagnetic Transducer Takayuki Kobayashi, Kenji Furihata (Shinshu Univ.) EA2008-74 |
Recently, some methods using digital filters (Volterra filters) based on the Volterra series expansion have been propose... [more] | EA2008-74 pp.55-60 |
|
| SIP, EA | 2008-05-29 13:50 |
Osaka | Kansai Univ. | A Study on Compensating Effect for Nonlinear Distortion of Loudspeaker Systems Using Dynamic Distortion Method Shoichi Kitagawa, Rika Nakao, Yoshinobu Kajikawa, Yasuo Nomura (Kansai Univ.) EA2008-11 SIP2008-20 |
In this paper, we demonstrate the compensation effect of nonlinear distortion of loudspeaker systems by using dynamic di... [more] | EA2008-11 SIP2008-20 pp.31-36 |
| WBS | 2007-12-19 10:15 |
Tokyo | A Study on Statistical Characteristics of Signal Distortion Due to Nonlinear Amplification in OFDM Systems Masaaki Harada (KIT) WBS2007-62 |
Statistical characteristics of nonlinear distortion due to the amplification in orthogonal frequency division multiplex ... [more] | WBS2007-62 pp.19-24 |
|
| EA | 2007-11-16 10:30 |
Kumamoto | Kumamoto University | A Study on an Estimation Method of Parameters for Closed-box Loudspeaker system Rika Nakao, Yoshinobu Kajikawa, Yasuo Nomura (Kansai Univ.) EA2007-81 |
In this paper, we propose a way to estimate the linear and nonlinear parameters of a closed-box loudspeaker system at th... [more] | EA2007-81 pp.7-12 |
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