Japanese Publication
Signal based ANC for UPS noise in a broadcast studio
N.Tanaka, H.Nakajima, Y.Tadahira, Y.Sakiyama, H.Kouchi 1), H.Maekawa 1), H.Miyashita1)
1) Japan Broadcasting Corp.
Proc. Spring Meet. Acoust. Soc. Jpn, pp525-526(2004)
Acoustic characteristics of various porous materials (35th report)Measurement of the tortuosity of the porous materials
H.Nakagawa, M.Yamaguchi 1)
1) Bridgestone Corp.
Proc. Spring Meet. Acoust. Soc. Jpn, pp799-800(2004)
Acoustic characteristics of various porous materials (36th report)The effect of the acoustic properties for acoustic tube discontinuity
H.Nakagawa, T.Yamanaka, D.Kato 1), Y.Kawai 2), M.Yamaguchi 3)
1) Howa Texile Industry
2) Kansai University
3) Bridgestone Corp.
Proc. Spring Meet. Acoust. Soc. Jpn, pp799-800(2004)
Non-linear beamforming by filter optimization for arbitrarily located microphones
H.Nakajima
Proc. Autumn Meet. Acoust. Soc. Jpn, pp623-624(2004)
Numerical Comparison of Boundary Element Method and Kirchhoff Approximation for Configurational Design of Reflector
H.Tsuru, K.Nagakura 1)
1) RTRI
Proc. Spring Meet. Acoust. Soc. Jpn, pp525-526(2004)
A study on measurement technique of the noise with Spherical Microphone Array (1)
N.Tanaka, Y.Tadahira, K.Yamashita, S.Ohashi
Proc. Autumn Meet. Acoust. Soc. Jpn, pp861-862(2004)
A study on measurement technique of the noise with Spherical Microphone Array (2)
Y.Tadahira, N.Tanaka, K.Yamashita, S.Ohashi
Proc. Autumn Meet. Acoust. Soc. Jpn, pp863-864(2004)
A study on near field acoust measurement of Distributed Mode Loud Speaker
1)Amonet Co., Ltd
2)Kyushu university
Proc. Autumn Meet. Acoust. Soc. Jpn, pp569-570(2004)
Acoustic characteristics of various porous materials (39th report)The effect of the acoustic properties for acoustic tube discontinuity(Part2)
T.Yamanaka, H.Nakagawa, M.Yamaguchi 1)
1) Bridgestone Corp.
Proc. Autumn Meet. Acoust. Soc. Jpn, pp987-988(2004)
On some problems concerning WECPNL An investigation based on the measurements around Narita International Airport
K.Hiramatsu 1), T.Matsui 1), N.Hayashi 1), I.Morita 2), K.Yamashita, S.Ohashi
1)Graduate School of Engineering, Kyoto University
2)Narita City Office
Proc. Autumn Meet. INCE/J, pp13-16(2004)
Peculiar Noise of aircraft's landing approach
K.Yamashita, S.Ohashi, I.Morita, N.Hayashi 1)
1) Narita City Office
Proc. Autumn Meet. Acoust. Soc. Jpn, pp863-864(2004)
WECPNL and Equivalent continuous A-weighted sound pressure level of aircraft noise around Narita Airport
Naoki Hayashi 1), Iwao Morita 1), Hiroo Yano 2), Masaru Koyasu 2), Koichi Yamashita, Shinji Ohashi
1) Narita City Office
2) Chiba Institute of Technology
Proc. Autumn Meet. INCE/J, pp17-20(2004)
Analysis and error investigation using Fourier transform of sound field produced
H.Nakajima, H.Tsuru, S.Ogata 1)
1) NTSEL
J. of Acoust. Soc. Jpn(J) Vol.60 No.12 p717-726(2004)
English Publication
Minimum sidelobe beamforming based on Mini-Max criterion
H.Nakajima, N.Tanaka, H.Tsuru
Acoust. Sci. & Tech. Vol.25, No.6, pp486-488 (2004)
Finite difference method analysis in time domain of rail vibration through implicit scheme
H.Tsuru, T.Yamanaka, M.Takikawa(East Japan Railway)
ICSV11 (2004)