K. Nii, N. Tagawa, K. Okubo, 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(8 pages), July, 2013.
J. Adachi, K. Okubo, N. Tagawa, T. Tsuchiya, T. Ishizuka, ``Examination of Absorbing Boundary Condition Using Perfectly Matched Layer for Collocated Orthogonal Grid in Method of Characteristics," Jpn. J. Appl. Phys., vol.52, 07HG05(3 pages), July, 2013.
学会発表(国内)
伊東紘一,入江喬介,長谷川智仁,徳森圭輔,横山卓,熊谷秀規,田川憲男,守屋正,吉澤昌純,廣田紀男,``細径ファイバーを用いた高周波帯超音波伝送による組織画像",日本超音波医学会 第86回学術集会講演抄録集,Jpn. J. Med. Ultrasonics, vol.40, Supplement, p.S420, 5月24日,2013.
新居弘平,田川憲男,八木晋一,``生体内弾性境界における縦波から横波へのモード変換に関する特性評価",Jpn. J. Med. Ultrasonics, vol.40, Supplement, p.S632, 5月25日,2013.
T. Segawa, Y. Takano, M. Yoshizawa, N. Tagawa, T. Irie, K. Itoh, T. Moriya, ``Phase-contrast Imaging of Acoustic Impedance by Ultrasonic Interference Method for Puncture Needle-type Ultrasonography," in Proc. Symp. on Ultrasonic Electronics, vol.34, pp.301-302, Nov. 2013.
M. Yoshizawa, S. Ishikura, N. Tagawa, T. Irie, T. Moriya, ``Dynamic Vibration Analysis of Ultrasonic Power Circulation-type Quadratic Excitation Method for Coiled Stator Ultrasomic Motor," in Proc. Symp. on Ultrasonic Electronics, vol.34, pp.451-452, Nov. 2013.
H. Suzuki, N. Tagawa, K. Okubo, ``ltracound Speckle Reduction by Randomly Changing Bandwidth of Transmission," in Proc. Symp. on Ultrasonic Electronics, vol.34, pp.497-498, Nov. 2013.
H. Suzuki, N. Tagawa, K. Okubo, ``A Study on Speckle Suppression by Stochastic Vibration of Ultrasound Transducer," Int. Acoustical Imaging Symposium, p.34, 29th April-!st May, 2013.
S. Koizumi, N. Tagawa, ``Differential-Formed Shape from Multiple Images Based on One-Directional Random Small Camera Rotations," in Proc. Int. Conf. on Machine Vision Applications, 22th May, 2013.
H. Suzuki, N. Tagawa, K. Okubo, ``A Study on Ultrasound Speckle Reduction Based on Stochastic Fluctuation of Transmitted Ultrasound Beam," In Proc. IEEE Int. Ultrasonics Symp., pp.910-913, 23th July, 2013.
H. Hiraoka, N. Tagawa, K. Okubo, I. Akiyama, ``Recursive Reduction of Frequency Dependent Attenuation for Wide-Band Ultrasound Imaging in a Living Body," In Proc. IEEE Int. Ultrasonics Symp., pp.914-917, 23th July, 2013.
T. Irie, T. Hasegawa, K. Itoh, N. Hirota, N. Tagawa, M. Yoshizawa, T. Moriya, T. Iijima, ``Tissue Imaging Using the Transmission of 100-MHz-Range Ultrasound Through a Fused Quartz Fiber," In Proc. IEEE Int. Ultrasonics Symp., pp.2010-2013, 25th July, 2013.
J. Fujikawa, N. Tagawa, K. Okubo, Y. Ho, ``Reflectance Distribution Estimation in a Human Body using Ultrasonic Echoes and Statistical Model," Int. Forum on Ultrasound Applications, 26th March, 2014.