中田裕之

准教授　千葉大学大学院工学研究院（融合理工学府基幹工学電気電子工学コース）

論文(査読付き)

  • Ohya, H., Suzuki, T., Tsuchiya, F., Nakata, H., Shiokawa, K. (2024). Variation in the reflection height of VLF/LF transmitter signals in the D-region ionosphere and the possible source: A 2018 meteoroid in Hokkaido, Japan. Radio Science, 59, e2023RS007801. https://doi.org/10.1029/2023RS007801
  • Nakata, H., Hosokawa, K., Saito, S., Otsuka, Y., Tomizawa, I., Periodic oscillations of Doppler frequency excited by the traveling ionospheric disturbances associated with the Tonga eruption in 2022. Earth Planets Space 75, 158 (2023). https://doi.org/10.1186/s40623-023-01914-4
  • Hosokawa, K., Saito, S., Nakata, H., Lin, C.-H., Lin, J.-T., Supnithi, P., Tomizawa, I., Sakai, J., Takahashi, T., Tsugawa, T., Nishioka, M., Ishii, M., Monitoring of equatorial plasma bubbles using aeronautical navigation system: a feasibility study. Earth Planets Space 75, 152 (2023). https://doi.org/10.1186/s40623-023-01911-7
  • Sejima, H., Hosokawa, K., Nakata, H., Chum, J., Lin, C.-H., and Lin, J.-T., Simultaneous observations of equatorial plasma bubbles with an all-sky airglow imager and a HF Doppler sounding system in Taiwan. Earth Planets Space 75, 156 (2023). https://doi.org/10.1186/s40623-023-01908-2
  • Jaroslav Chum, Tereza Šindelářová, Petra Koucká Knížová, Kateřina Podolská, Jan Rusz, Jiří Baše, Hiroyuki Nakata, Keisuke Hosokawa, Michael Danielides, Carsten Schmidt, Leon Knez, Jann-Yenq Liu, María Graciela Molina, Mariano Fagre, Zama Katamzi-Joseph, Hiroyo Ohya, Tatsuya Omori, Jan Laštovička, Dalia Obrazová Burešová, Daniel Kouba, Jaroslav Urbář, Vladimír Truhlík, Atmospheric and ionospheric waves induced by the Hunga eruption on 15 January 2022; Doppler sounding and infrasound, Geophysical Journal International, Volume 233, Issue 2, May 2023, Pages 1429–1443, https://doi.org/10.1093/gji/ggac517
  • Yuma Nozaki, Hiroyo Ohya, Fuminori Tsuchiya, Kenro Nozaki, Hiroyuki Nakata, and Kazuo Shiokawa, "Local Time and Seasonal Variations in the D-Region Ionosphere: Does It Reflect Sudden Stratospheric Warming Effects?", URSI Science Letters, Volume 4, doi:10.46620/22-0045, 2022
  • Kentaro Tanaka, Hiroyo Ohya, Fuminori Tsuchiya, Kenro Nozaki, Mariko Teramoto, Kazuo Shiokawa, Yoshizumi Miyoshi, Martin Connors, and Hiroyuki Nakata, "Ultra Low Frequency Modulation of Energetic Electron Precipitation in the D-Region Ionosphere in a Magnetically Quiet Time Using OCTAVE Very Low Frequency and Low Frequency (VLF/LF) Observations", URSI Science Letters, Volume 4, doi:10.46620/22-0049, 2022
  • Masaharu Nakayama, Hiroyo Ohya, Fuminori Tsuchiya, Kenro Nozaki, Kazuo Shiokawa, and Hiroyuki Nakata, "Horizontal Inhomogeneity in the D-Region Ionosphere During an X-Class Solar Flare Determined by OCTAVE VLF Observations", URSI Science Letters, Volume 4, doi: 10.46620/22-0050, 2022
  • Tekkan Akashi, Hiroyo Ohya, Fuminori Tsuchiya, Kenro Nozaki, Hiroyuki Nakata, Variation in the D-region ionosphere after the 2015 Nepal earthquake using LF transmitter signals, Journal of Atmospheric Electricity, 2021, Volume 40, Issue 1, Pages 1-9, Released November 10, 2021, Print ISSN 0919-2050, https://doi.org/10.1541/jae.40.1.
  • Hiroyuki Nakata, Kenro Nozaki, Yuhei Oki, Keisuke Hosokawa, Kumiko K. Hashimoto, Takashi Kikuchi, Jun Sakai, Ichiro Tomizawa, Satoko Saita,Software-defined radio-based HF doppler receiving system. Earth Planets Space 73, 209 (2021). https://doi.org/10.1186/s40623-021-01547-5
  • Kusano, K., Ichimoto, K., Ishii, M. et al. PSTEP: project for solar–terrestrial environment prediction. Earth Planets Space 73, 159 (2021). https://doi.org/10.1186/s40623-021-01486-1
  • Nakata, H., Takaboshi, K., Takano, T., Tomizawa, I. (2021). Vertical propagation of coseismic ionospheric disturbances associated with the foreshock of the Tohoku Earthquake observed using HF Doppler sounding. Journal of Geophysical Research: Space Physics, 126, e2020JA028600. https://doi.org/10.1029/2020JA028600
  • T. Miyashita, Takuya Miyashita; Hiroyo Ohya; Fuminori Tsuchiya; Asuka Hirai; Mitsunori Ozaki; Kazuo Shiokawa; Yoshizumi Miyoshi; Nozomu Nishitani; Mariko Teramoto; Martin Connors; Simon G. Shepherd; Yoshiya Kasahara; Atsushi Kumamoto; Masafumi Shoji; Iku Shinohara; Hiroyuki Nakata; Toshiaki Takano, "ULF modulation of energetic electron precipitation observed by VLF/LF radio propagation," in URSI Radio Science Bulletin, vol. 2020, no. 372, pp. 29-40, March 2020, doi: 10.23919/URSIRSB.2020.9240099.
  • Hozumi K., Ishii M., Saito S., Maruyama T., Nakata H., Tsugawa T. (2019) HF-START: Application in Aid of Radio Communications/Navigation. In: Electronic Navigation Research Institute (eds) Air Traffic Management and Systems III. EIWAC 2017. Lecture Notes in Electrical Engineering, vol 555, pp274-287, Springer, Singapore, https://doi.org/10.1007/978-981-13-7086-1_19, ISBN:978-981-13-7086-1.
  • Hiroyuki Nakata, Akira Takahashi, Toshiaki Takano, Akinori Saito, and Takeshi Sakanoi, Observation of equatorial plasma bubbles by the airglow imager on ISS-IMAP, Progress in Earth and Planetary Science, 5, 66. (2018)
  • Kouhei Yoshikawa, Kazuto Takaboshi, Hiroyuki Nakata, Toshiaki Takano, Mitsuru Matsumura, Hiroyuki Shinagawa, Ichiro Tomizawa, Quantitative Estimation of the Ionospheric Disturbances Associated with Earthquakes observed with HF Doppler by a Numerical Simulation of Neutral Atmospheric Waves, IEEJ Transactions on Fundamentals and Materials, Vol.136, No.5, pp.259-264 (2016).
  • H. Nakata, K. Abe, A. Tokunaga, T. Takano, T. Tsugawa, and M. Nishioka, Spectral density analysis of total electron content perturbations associated with earthquakes, IEEJ Transactions on Fundamentals and Materials, Vol.136, No.5, pp.272-277 (2016).
  • H. Nakata, K. Kawai, S. Akiyama, T. Chida, R. Tanaka, Y. Kawamura, T. Takano, Estimation of direction of arrival of VHF radio wave by interferometers, and S. Shimakura, IEEJ Transactions on Fundamentals and Materials, Vol.136, No.5, pp.278-285 (2016).
  • H. Ohya, F. Tsuchiya, H. Nakata, K. Shiokawa, Y. Miyoshi, K. Yamashita, and Y. Takahashi, Reflection height of daytime tweek atmospherics during the solar eclipse of 22 July 2009, Journal of Geophysical Research, Vol.117, No. A11, A11310 (2012).
  • S. Ujigawa, H. Nakata, and S. Shimakura, The relationship between signal intensity and maximum observed frequency in long-distance propagation of VHF radio waves based on the reflection from the ionosphere, Journal of Atmospheric Electricity, Vol.31, No.1, pp.63-70 (2011).
  • A. Yoshikawa, H. Nakata, A. Nakamizo, T. Uozumi, M. Itonaga, S. Fujita, K. Yumoto, and T. Tanaka, Alfvenic-coupling algorithm for global and dynamical magnetosphere-ionosphere coupled system, Journal of Geophysical Research, Vol.115, No.A4, A04211, doi:10.1029/2009JA014924 (2010).
  • S. Ujigawa, H. Nakata, and S. Shimakura, Long-distance propagation of VHF radio waves due to the effect of the equatorial anomaly, Journal of Atmospheric Electricity, Vol.29, No.2, pp.115-123 (2009).
  • H. Nakata, I. Nagashima, K. Sakata, Y. Otsuka, Y. Akaike, T. Takano, S. Shimakura, K. Shiokawa, and T. Ogawa, Observations of equatorial plasma bubbles using broadcast VHF radio waves, Geophysical Research Letters, Vol. 32, No. 17, L17110, doi:10.1029/2005GL023243 (2005).
  • H. Nakata, Y. Akaike, Y. Otsuka, T. Takano, S. Ujigawa, and I. Nagashima, Ray-tracing calculation of VHF radio waves scattered by field-aligned irregularities associated with equatorial plasma bubbles, IEEJ Transactions on Fundamentals and Materials, Vol. 124, No. 12, pp.1253-1254 (2004).
  • H. Nakata, M. Shinohara, Y. Kamide, T. Ogino, Ionospheric electric potentials for substorms calculated from a solar wind-magnetosphere MHD simulation and a magnetogram inversion technique, Journal of Geophysical Research, Vol.109, No.A1, A01211, doi:10.1029/2002JA009743 (2004).
  • H. Shirai, Y. Kamide, E. A. Kihn, B. Hausman, M. Shinohara, H. Nakata, M. Isowa, 　 T. K. Takada, Y. Watanabe, and S. Masuda, Near real-time calculation of ionospheric electric fields and currents using GEDAS, Chinese Journal of Astronomy and Astrophysics, Vol.3, No.4, pp.375-380 (2003).
  • M. Nose, K. Takahashi, T. Uozumi, K. Yumoto, Y. Miyoshi, A. Morioka, D.K. Milling, P. R. Sutcliffe, H. Matsumoto, T. Goka, and H. Nakata, Multipoint observations of a Pi2 pulsation on morningside: The 20 September 1995 event, Journal of Geophysical Research, Vol. 108, No. A5, doi:10.1029/2002JA009747 (2003).
  • S. Fujita, H. Nakata, M. Itonaga, A. Yoshikawa, T. Mizuta, A numerical simulation of the Pi2 pulsations associated with the substorm current wedge, Journal of Geophysical Research, Vol.107, No. A3, doi:10.1029/2001JA900137 (2002).
  • S. Fujita, T. Mizuta, M. Itonaga, A. Yoshikawa and H. Nakata, Propagation property of transient MHD impulses in the magnetosphere-ionosphere system : The 2D model of the Pi2 pulsation, Geophysical Research Letter, Vol.28, No.11, pp.2161-2164 (2001).
  • H. Nakata, S. Fujita, A. Yoshikawa, M. Itonaga, and K. Yumoto, Ground magnetic perturbations associated with the standing toroidal mode oscillations in the magnetosphere-ionosphere system, Earth, Planets and Space, Vol.52, No.9, pp.601-613 (2000).
  • S. Fujita, M. Itonaga, and H. Nakata, Relationship between the Pi2 pulsations and the localized impulsive current associated with the current disruption in the magnetosphere , Earth, Planets and Space, Vol.52, No.4, pp.267-281 (2000).
  • A. Yoshikawa, M. Itonaga, S. Fujita, and H. Nakata, Eigenmode analysis of field line oscillations interacting with the ionosphere-atmosphere-solid earth electromagnetic coupled system,Journal of Geophysical Research, Vol.104, No.A12, pp.28437-28457 (1999).

学会発表

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