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大久保 寛

氏 名大久保 寛オオクボ カンおおくぼ かん 
職 位准教授
所 属首都大学東京システムデザイン学部 電子情報システム工学科
システムデザイン研究科 電子情報システム工学域
2018年再編前の所属
システムデザイン学部 情報通信システムコース
システムデザイン研究科 情報通信システム学域
 
専門・研究分野波動情報工学,電気・通信工学,環境電磁工学,電磁波工学,数値解析学
最終学歴・学位東北大学大学院工学研究科電子工学専攻博士後期課程修了・博士(工学)
研究テーマ電磁波・音波などの振動・波動現象の信号解析及び数値シミュレーションに関する研究
電磁観測を用いた自然災害の予測と監視のためのシステム開発及び信号解析に関する研究
高精度な時間領域数値解析手法の開発に関する研究
研究キーワード波動情報工学,信号解析,数値シミュレーション,電磁波伝搬解析,音場解析,音場計測,
研究業績・著書・
論文、その他
それに準じる業績
・Yuta Katori, Shinji Isogami, Tsunehiro Hato, Akira Tsukamoto, Keiichi Tanabe, Nobuhito Ohnishi, Chikara Furukawa, and Kan Okubo, ``High-resolution geomagnetic observation system using HTS-SQUID, IEICE Communications Express, vol.7, no.3, pp.71-76, 2018, doi:10.1587/comex.2017XBL0168
・Yuya Asakura, Kan Okubo, and Norio Tagawa, ``Experimental evaluation of long-range acoustic sensing using super-directivity speaker and super-resolution signal processing with pulse compression technique," Japanese Journal of Applied Physics, Volume 56, Number 7S1, June 2017
・Yuya Ishiguro, Jing Zhu, Norio Tagawa, Tsuyoshi Okubo and Kan Okubo, ``Characteristic analysis of diaphragm-type transducer that is thick relative to its size," Japanese Journal of Applied Physics, Volume 56, Number 7S1, June 2017
・Ryo Imai, Naoki Kawada, Yuta Katori, Yukihisa Suzuki, and Kan Okubo,``Intel Many-Integrated Core (MIC) architecture-based parallel computation and optimization of finite-difference time-domain (FDTD) schemes for acoustic simulation", Acoustical Science and Technology, vol.38, no.6, pp.314-317, 2017. doi 10.1250/ast.38.314
・石塚崇,大久保寛,``屋外音場の数値解析のおけるCIP 法の活用と課題", 日本騒音制御工学会 The journal of the INCE of Japan 41(1), 12-16, 2017-02
・今井稜,河田直樹,香取勇太,鈴木敬久,大久保寛,メニーコアアーキテクチャを用いたPML吸収境界条件付き電磁界FDTDスキームの性能解析,電子情報通信学会論文誌C,Vol.J99-C,No.5,pp.202-212,2016
・Yuta Matsumura, Kan Okubo, Norio Tagawa, Takao Tsuchiya, and Takashi Ishizuka, ``Evaluation of numerical simulation of acoustic wave propagation using method of characteristics-based constrained interpolation profile (CIP-MOC) method with non-uniform grids," Acoustical Science and Technology Vol.38 No.1 pp31-34, January 2017
・Naoki Kawada, Kan Okubo, Norio Tagawa, and Takao Tsuchiya, "Numerical simulation of sound wave propagation using multimoment method of characteristics with general Hermite interpolation", Acous. Sci. Tech. vol. 36, No. 3, pp. 265-267, 2105
・Naoki Kawada, Kan Okubo, Norio Tagawa, Takao Tsuchiya, and Takashi Ishizuka, "GPU-computing-based high-speed visualization techniques for sound wave propagation using permeable multi-cross-section contours", Acous. Sci. Tech. vol. 36, No. 3, pp. 268-270, 2105
・Takuya Hiraoka, Norio Tagawa, Kan Okubo, and Iwaki Akiyama, "Compensation method for frequency-dependent attenuation in tissue imaging by amplitude modulation for chirp transmission" ,Acous. Sci. Tech. vol. 36, No. 3, pp. 201-207, 2105
・Takayuki Wada, Yihsin Ho, Kan Okubo, Norio Tagawa, and Yoshiyasu Hirose, "High Frame Rate Super Resolution Imaging Bsed on Ultrasound Synthetic Aperture Scheme," Physics Procedia, vol.70, pp.1216-1220, 2015.
・Takao Tsuchiya, Shouichi Sugimura, and Kan Okubo, Numerical analysis of sound waveform by combination method using amplitude component of finite-difference time-domain solution and phase component of constrained interpolation profile solution, Jpn. J. Appl. Phys., vol.53, 07KC02, July, 2014.
・Takashi Ishizuka, Kan Okubo, "Formulation and examination of the perfectly matched layer for sound field analyses using the constrained interpolation profile method", Acoustical Science and Technology,Vol.34, (2013), No. 5, pp.378-381
・K. Nii, N. Tagawa, K. Okubo, and S. Yagi, "Finite Element Method Study for Generating Shear Wave by Mode Conversion of Longitudinal Wave at Elasticity Boundary in a Living Body", Jpn. J. Appl. Phys., vol.52, 07HF01, July, 2013
・Takuto Ishii, Takao Tsuchiya, and Kan Okubo, "Three-Dimensional Sound Field Analysis Using Compact Explicit-Finite Difference Time Domain Method with Graphics Processing Unit Cluster System", Jpn. J. Appl. Phys., 52, 07HC11, July, 2013
・Junpei Adachi, Kan Okubo, Norio Tagawa, Takao Tsuchiya, and Takashi Ishizuka, "Examination of Absorbing Boundary Condition Using Perfectly Matched Layer for Collocated Orthogonal Grid in Method of Characteristics", Jpn, J. Appl. Phys., 52, 07HG05, July, 2013
・大久保寛,竹内 昭洋,中村 行信,竹内 伸直,極超低周波音波計測を用いた津波発生検知と津波警報への応用,電子情報通信学会論文誌,Vol.J96-A,No.8,pp.593-596,2013/08
・T. Yamamura, M. Tanabe, K. Okubo, and N. Tagawa, "A Method for Improving Signal-to-Noise Ratio of Tissue Harmonic Imaging Based on Bayesian Inference Using Information of Fundamental Echoes", Jpn. J. Appl. Phys., vol.51, 07GF01(12 pages), July, 2012.
・Y. Ara, K. Okubo, N. Tagawa, T. Tsuchiya, and T. Ishizuka, "Perfprmance Comparison of Subgrid Techniques in Acoustic Simulation Using the Type-M and Type-C Constrained Interpolation Profile Methods", Jpn. J. Appl. Phys., vol.51, 07GG05(2 pages), July, 2012.
・N. Kawada, T. Yoda, N. Tagawa, T. Tsuchiya, and K. Okubo, "Evaluation of Acoustic Simulation Using Wave Equation Finite Difference Time Domain Method with Compact Finite Differences", Jpn. J. Appl. Phys., vol.51, 07GG06(2 pages), July, 2012.
・Takashi Ishizuka, Kan Okubo and Yuta Ara, "Variable-grid technique for sound field analysis using the constrained interpolation profile method", Acoust. Sci. & Tech., 33, 6 (2012)
・大久保寛, 藤原幹己, 田川憲男, FMチャープパルス圧縮を用いた超解像法による高距離分解能化, 日本音響学会誌, vol.67, no.4, pp.152-154, 2011.
・Kan Okubo, Nobunao Takeuchi, Mitsuru Utsugi, Kiyohumi Yumoto, and Yoichi Sasai, Direct magnetic signals from earthquake rupturing: Iwate-Miyagi earthquake of M 7.2, Japan, Earth and Planetary Science Letters, Volume 305, Issues 1-2, Pages 65-72, May 2011
・Takeshi Yoda, Kan Okubo, Norio Tagawa, and Takao Tsuchiya, Examination on Fast Algorithms of Compact Finite Difference Calculation for Finite Difference Time Domain Acoustic Wave Simulation, Jpn, J. Appl. Phys., vol.50, 07HC12, July, 2011.
・Yuta Ara, Kan Okubo, Norio Tagawa, Takao Tsuchiya, and Takashi Ishizuka, Examination of Sub-Grid Technique for Simulation of Sound Wave Propagation Using Constrained Interpolation Profile Method with Method of Characteristics, Jpn, J. Appl. Phys., vol.50, 07HC20, July, 2011.
・河田直樹, 大久保寛, 田川憲男, 土屋隆生, 石塚崇, CUDAとOpenGLを用いた三次元音響数値解析のGPGPUリアルタイム可視化―PMCC(Permeable Multi Cross-section Contours)の提案と評価―, 電子情報通信学会論文誌A, vol.J94-A, no.11, pp.854-861, 2011.
・K. Okubo, A. Takeuchi and N. Takeuchi, Underground Electric Signal at the Occurrence of the Niigataken Chuetsu-oki Earthquake in 2007, Japan, IEICE Transactions on Electronics, Vol.E95-C ,No.1, pp. 110-114 (2012)
・高宮健治, 大久保寛, 田川憲男, 擬似スペクトル法を用いたエルミート画像補間法の高精度化, 電子情報通信学会論文誌B, vol.J95-B, no.2, pp.355-365, 2012.
・河田直樹, 大久保寛, 田川憲男, 土屋隆生, CUDAとOpenGLを用いたマルチGPUによる電磁界数値シミュレーションの高速可視化, 電子情報通信学会論文誌B, vol.J95-B, no.2, pp.375-380, 2012.
・A. Takeuchi, K. Okubo, and N. Takeuchi, Electric Signals on and under the Ground Surface Induced by Seismic Waves,International Journal of Geophysics, Volume 2012 (2012)
・Akihiro Takeuchi, Yukako Futada, Kan Okubo, and Nobunao Takeuchi, Positive electrification on the floor of an underground mine gallery at the arrival of seismic waves and similar electrification on the surface of partially stressed rocks in laboratory, Terra Nova, Volume 22, Issue 3, pages 203-207, June 2010.
・Yoshifumi Harada, Kan Okubo, Norio Tagawa, and Takao Tsuchiya, An Improvement of Absorbing Boundary Condition Based on Algorithm of Constrained Interpolation Profile Method for Finite-Difference Time-Domain Acoustic Simulation, Jpn, J. Appl. Phys., vol.49, 07HC09, July, 2010.
・Masayuki Tanabe, Takuya Yamamura, Kan Okubo, and Norio Tagawa, Medical Ultrasound Imaging Using Pulse Compression Technique Based on Split and Merge Strategy, Jpn, J. Appl. Phys., vol.49, 07HF15, July, 2010.
・Takasuke Irie, Kouhei Koumoto, Masayuki Tanabe, Norio Tagawa, Kan Okubo, Iwaki Akiyama, and Kouichi Itoh, Preliminary Study of Broadband Transducer for Measurement of Bone Characteristics, Jpn, J. Appl. Phys., vol.49, 07HF29, July, 2010.
・河田直樹, 大久保寛, 土屋隆生, GPU計算を用いた時間領域電磁界数値解析の高速化性能に関する比較,Vol.J94-B,No.3,pp.480-483,Mar. 2011.
・Akihiro Takeuchi, Yukako Futada, K. Okubo, Yukinobu Nakamura and Nobunao Takeuchi, “Positive electrification on the floor of an underground mine gallery at the arrival of seismic waves and similar electrification on the surface of partially stressed rocks in laboratory,” Terra Nova, 2010
・Akihiro Takeuchi, K. Okubo, ShunWatanabe, Yukinobu Nakamura and Nobunao Takeuchi, “Electric and Ionic Environmental Circumstances Interacting at Hosokura Underground Mine in Northeast Japan,” IEEJ Trans. FM Vol. 129 (2009) , No. 12 pp.870-874
・M. Konno, K. Okubo, T. Tsuchiya and N. Tagawa, “Two-Dimensional Simulation of Nonlinear Acoustic Wave Propagation Using Constrained Interpolation Profile Method,” Jpn. J. Appl. Phys., 48 (2009) 07GN01
・Naoto Akazawa, K. Okubo, and Norio Tagawa, “Elastography Using Graph Cut Algorithm,” Jpn. J. Appl. Phys. 48 (2009)
・M. Tanabe, K. Okubo and N. Tagawa, “Inline Transmitter/Receiver System without Direct Receiving of Transmitted Signals,” Jpn. J. Appl. Phys., 48 (2009)
・K. Okubo, Sungqwan Oh, T. Tsuchiya, and N. Takeuchi, “Consideration of an Absorbing Boundary Condition (ABC) Using CIP method for FDTD Acoustic Field Analysis,” J. Acoust. Soc. Jpn
・竹内昭洋,二田祐佳子,大久保寛,中村行信,阿部道彰,竹内伸直, “野外観測と室内実験で検出される岩石表面の正帯電,” 電気学会論文誌(C)
・M. Konno, K. Okubo, T. Tsuchiya and N. Tagawa, “Performances of Various Types of Constrained Interpolation Profile Methods for Two-Dimensional Numerical Acoustic Simulation,” Jpn. J. Appl. Phys , 47 (2008), pp. 3962-3963
・M. Tanabe, K. Okubo, N. Tagawa and T. Moriya, “Inline Transmitter/Receiver System Using PZT-PT and PVDF for Harmonic Pulse Compression Imaging,” Jpn. J. Appl. Phys 47 (2008), pp. 4149-4154
・T. Tsuchiya, K. Okubo and N. Takeuchi, “Numerical Simulation of Nonlinear Sound Wave Propagation using CIP Method ?One dimensional case?,” Jpn. J. Appl. Phys, 47 (2008), pp. 3952-3958
・S. Xie, M. Tanabe, K. Okubo, N. Tagawa and T. Moriya, “Characteristics of Surface Particle Motion of Coiled Waveguide Caused by Flexural Ultrasonic aves,” Jpn. J. Appl. Phys 47 (2008), pp. 4271?4275
・土屋隆生,大久保寛,竹内伸直,“ 散逸性媒質内の音波伝搬解析へのCIP 法の適用-1次元シミュレーション-,” 音響学会論文誌,第64 巻8
・K. Okubo, S. Oh, T. Tsuchiya and N. Takeuchi, “Consideration of the Boundary Condition between Two Media in Acoustic Field Analysis Using the Constrained Interpolation Profile (CIP) Method.,” IEICE Trans. Fundamentals, vol. E90-A, No. 9,pp.2000-2005, Sept. 2007.号(2008),pp. 443-450
・K. Okubo, Y. Yoshida and N. Takeuchi, “Consideration of Treatment of the Boundary between Different Media in Electromagnetic Field Analysis Using the Constrained Interpolation Profile Method,” IEEE Trans. Antennas Propag., vol. 55, No. 2,pp.485-489, Feb. 2007.
・K. Okubo, M. Takayama and N. Takeuchi, “Electrostatic Field Variation in the Atmosphere Induced by Earth Potential Difference Variation during Seismic Wave Propagation,” IEEE Trans. Electromagnetic Compatibility, vol. 49, No. 1,pp.163-169, Feb. 2007.
・K. Okubo and N. Takeuchi, “Analysis of an Electromagnetic Field Created by Line Current Using the CIP Method,” IEEE Trans. Antennas Propag., vol. 55, No. 1,pp.111-119, Jan. 2007.
受 賞2008年 電子情報通信学会(環境電磁工学研究会)若手優秀賞
2007年 IEEE AP-S Japan Chapter Young Engineer Award
2002年 電気学会論文発表賞B
主な学会活動アメリカ電気電子学会(IEEE),アメリカ地球物理学会(AGU),電子情報通信学会,電気学会,音響学会,建築学会,地震学会各会員,論文編集委員,各論文誌査読委員,研究専門委員
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担当科目
  • 情報通信数学第二
  • 回路理論演習
  • 波動計測処理
  • 電磁気学
  • 電子情報システム応用特論Ⅲ
  • 通信システム特別講義
  • 通信システム特別講義
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