Papers - Nagano Koji

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  1. Analysis of number and amplitude of microearthquakes observed before and after remote natural earthquakes in the Kakkonda geothermal field

    田澤孝太，清水鏡楊，永野宏治，Journal of the Geothermal Research Society of Japan，vol. 47，(3)，2025.07

  2. Analysis of Microearthquakes Observed before and after Remote Earthquakes in the Kakkonda Geothermal Field

    田澤孝太・永野宏治，Journal of the Geothermal Research Society of Japan，vol.46，(3)，2024.07

  3. Analysis of surface acoustic wave propagation velocity in biological function-oriented odor sensor

    Yuxia Yang,Koji Nagano,Chaoluomeng,Tatsuo Iwasa, and Hisashi Fukuda，Journal of Sensors，vol.2018，(p.1 ～ 7)，Article Number:8129484，2018.03

  4. Multimedia Processing Pricing Strategy in GPU-accelerated Cloud Computing

    He Li, Kaoru Ota, Mianxiong Dong, Athanasios V. Vasilakos, and Koji Nagano，IEEE Transactions on Cloud Computing，(p.1 ～ 10)，2017.03

  5. A method for estimation of transportation distance with controlled precision to attain a carbon footprint

    永野宏治，鈴木郡，趙 培江，佐藤和彦，Journal of life cycle assessment, Japan，vol.12，(2)，(p.77 ～ 85)，2016.04

  6. Time-quefrency analysis of overlapping similar microseismic events

    Koji Nagano，Exploration Geophysics，vol.47，(2)，(p.133 ～ 144)，2016.02

  7. Approach for Improvement of Recognition of Carbon Footprint and Introduction of Computer System for Its Calculation : A Case Study in Supermarket

    趙 培江，永野宏治，鈴木昭徳，佐藤和彦，Journal of life cycle assessment, Japan，vol.12，(1)，(p.15 ～ 25)，2016.01

  8. Development of the Rayleigh Type Surface Acoustic Wave Sensor Liquid Phase Sysytem Using a Longitudinal Wave Radiation into a Liquid Phase

    小川健吾,鳥越俊彦,澤田研,岩佐達郎,永野宏治,柴山義行,夛田芳広,植杉克弘,福田永，IEEJ Transactions on Sensors and Micromachines，vol.135，(12)，(p.490 ～ 495)，2015.12

  9. An exhibition of food carbon footprint in supermarket: A case study in CO-OP Sapporo

    永野宏治，吉田洋一，小松均，村上伸吾，Journal of life cycle assessment, Japan，vol.9，(2)，(p.299 ～ 305)，2013

  10. Teamwork Exercise of a PIC Micro-Controller with Emphasis on Student's Ideas

    永野宏治，三林光，Journal of Japanese Society for Engineering Education，vol.60，(4)，(p.76 ～ 81)，2012

  11. 事前対応型の修学指導支援システムの開発

    佐藤和彦，小笠原和輝，永野宏治，CIEC Academic Meeting，vol.2，(p.11 ～ 18)，2011

  12. Detection of arrivaltime interval in proxiity AE doublets using cepstrum analysis

    永野宏治，江原大輔，日本地熱学会誌，vol.30，(1)，(p.37 ～ 47)，2008

  13. Automatic detection of proximity AE doublets for relative location of subsurface fracture reservoir

    永野宏治，江原大輔，電気学会論文誌　電子・情報・システム部門誌，vol.128-C，(6)，(p.1005 ～ 1010)，2008

  14. Automatic picking of microearthquake P-wave using kurtosis analysis and maximum likelihood analysis

    永野宏治，岩本祐介，Journal of the Geothermal Research Society of Japan，vol.29，(4)，2007

  15. Detection method of differences of polarization angles between three-component signals

    永野宏治，The Transactions of the Institute of Electrical Engineers of Japan，vol.121-C，(9)，(p.1422 ～ 1428)，2001

  16. Dispersion analysis of crack-waves in an artificial subsurface fracture using two crack models

    K. Nagano ・ H. Niitsuma，IEEE Transaction on Geoscience and Remote Sensing，vol.38，(1)，(p.3 ～ 11)，2000

  17. Network graphics system for three-dimensional particle motion of seismic waves using VRML

    永野宏治・八鍬慶一，The Transactions of the Institute of Electrical Engineers of Japan，vol.120-C，(3)，(p.440 ～ 441)，2000

  18. Current Status of seismic and borehole measurements for HDR/HWR development

    H. Niitsuma・ M. Fehler・ R. Jones・ S. Wilson・ J. Albright・ A. Green・ R. Baria・ K. Hayashi・ H. Kaieda・ K. Tezuka・ A. Jupe・ T. Wallroth・ F. Cornet・ H. Asanuma・ H. Moriya・ K. Nagano・ W. Phillips・ J. Rutledge・ L. House・ A. Beauce・ D. Alde・ and R. Aster，Geothermics，vol.28，(4-5)，(p.475 ～ 490)，1999

  19. Crack-wave dispersion at a fluid-filled fracture with low-velocity layers

    K. Nagano，Geophysical Journal International，vol.134，(p.903 ～ 910)，1998

  20. Dispersion analysis of crack-waves for a low-velocity-layer model of an artificial subsurface fracture

    永野宏治，The Transactions of the Institute of Electrical Engineers of Japan，vol.118-C，(11)，(p.1623 ～ 1632)，1998

  21. Estimation of discontinuity orientation with coherence matrix analysis of guided waves

    永野宏治・新妻弘明，The Journal of the Acoustical Society of Japan，vol.52，(6)，(p.420 ～ 428)，1996

  22. Polarization of crackwaves along an artificial subsurface fracture

    K. Nagano・ K. Sato ・ H. Niitsuma，Geophysical Research Letters，vol.23，(16)，(p.2017 ～ 2020)，1996

  23. Estimation of guided wave velocity in subsurface fracture using a time-frequency representation technique

    永野宏治・新妻弘明，Transactions of the Society of Instrument and Control Engineers，vol.32，(6)，(p.802 ～ 810)，1996

  24. Crack stiffness from crack wave velocities

    K. Nagano and H. Niitsuma，Geophysical Research Letters，vol.23，(6)，(p.689 ～ 692)，1996

  25. Crack stiffness from crack wave velocities

    K. Nagano and H. Niitsuma，Geophysical Research Letters，vol.23，(6)，(p.689 ～ 692)，1996

  26. Fractals on AE emanated during hydraulic fracturing

    K. Itakura・ K. Sato・ K. Nagano・ Y. Kusano，Journal of Acoustic Emission，vol.13，(3-4)，(p.S75-S82 ～ )，1995

  27. Guided waves trapped in an artificial subsurface fracture

    K. Nagano・ H. Saito・ H. Niitsuma，Geothermal Science and Technology，vol.5，(1-2)，(p.63 ～ 70)，1995

  28. Characterization of thermal cracking by AE time series analysis

    K. Nagano・ K. Sugawara・ K. Itakura・ K. Sato，Journal of Acoustic Emission，vol.13，(1-2)，(p.S54-S59 ～ )，1995

  29. Precise source location of AE doublets by spectral matrix analysis of triaxial hodogram

    H. Moriya・K. Nagano・H. Niitsuma，Geophysics，vol.59，(1)，(p.36 ～ 45)，1994

  30. Analysis of acoustic emissions from hydraulically induced tensile fracture of rock

    H. Niitsuma・ K. Nagano・ K. Hisamatsu，Journal of Acoustic Emission，vol.11，(1-2)，(p.S1-S18 ～ )，1994

  31. Interval patterns of the AE sequences and subsurface fracture extension in Ogachi HDR geothermal field

    永野宏治・相田真人・佐藤一彦・新妻弘明・海江田秀志，Journal of the Geothermal Research Society of Japan，vol.16，(4)，(p.435 ～ 454)，1994

  32. Downhole AE measurement of hydraulic fracturing in Ogachi HDR model field

    永野宏治・森谷祐一・浅沼　宏・佐藤源之・新妻弘明・海江田秀志，Journal of the Geothermal Research Society of Japan，vol.16，(1)，(p.85 ～ 108)，1994

  33. Automatic algorithm for triaxial hodogram source location in downhole acoustic emission measurement

    K. Nagano・H. Niitsuma・N. Chubachi，Geophysics，vol.54，(4)，(p.508 ～ 513)，1989

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