Publication before 2010

Publications after 2010

Journal Paper
  1. W. Lu, D.Wang, Y. Zhang and N. Takagi, Two associated upward lightning flashes that produced opposite polarity electric field changes, Geophys. Res. Lett., Vol.36, L05801, doi:10.1029/2008GL036598, 2009.
  2. S. Yoshida, M. Akita, Y. Nakamura, T. Morimoto, T. Ushio, Z-I. Kawasaki, T. Torii, D. Wang, N. Takagi, Evidence of negative leaders prior to fast rise ICC pulses of upward lightning, J. Atmos. Electr., Vol.29, No.1, 13-21, 2009.
  3. W. Lu, D. Wang, N. Takagi, V. Rakov, M. Uman and M. Miki, Characteristics of the optical pulses associated with a downward branched stepped leader, J. Geophys. Res., 113, D21206, doi:10.1029/2008JD010231, 2008.
  4. S. Yoshida, T. Morimoto, T. Ushio, Z-I. Kawasaki, T. Torii, D. Wang, N. Takagi and T. Watanabe, High energy photo and electron bursts associated with upward lightning strokes, Geophys. Res. Lett., Vol.35, L10804, doi:10.1029/2007GL032438, 2008.
  5. D. Matsui, A. Hazmi, T. Watanabe, N. Takagi, D. Wang, Discharge characteristics obtained with an impulse voltage simulating the lightning stepped leader, J. Atmos. Electr., Vol.28, No.2, 63-69, 2008.
  6. D. Wang, V. Rakov, N. Takagi, T. Watanabe, A discussion of traveling waves involved in the lightning return stroke process, J. Atmos. Electr., Vol.28, No.2, 71-77, 2008.
  7. D.Wang, N.Takagi, T.Watanebe, H. Sakurano, M. Hashimoto, Observed characteristics of upward leaders that are initiated from a windmill and its lightning protection tower, Geophys. Res. Lett., Vol.35, L02803, doi:10.1029/2007GL032136, 2008.
  8. A. Hazmi, N. Takagi, D.Wang and T. Watanabe, Development of a Space-charge-sensing System, Sensors, 7, 3058-3070, 2007.
  9. D. Wang, N. Takagi, T. Watanabe, Observed characteristics of luminous variation events during the initial stage of upward positive leaders, J. Atmos. Electr., Vol.27, No.1, 61-68, 2007.
  10. D. Wang, N. Takagi, T. Watanabe, Y. Tie, X. Qie, Y. Zhang, Observed characteristics of lightning occurred in Lhasa city, Tibet plateau region of China, J. Atmos. Electr., Vol.27, No.1, 1-7, 2007.
  11. N. Takagi, D. Wang and T. Watanabe, A study of upward positive leaders based on simultaneous observation of E-fields and high-speed images, IEEJ Trans. FM, Vol.126, No.4, 256-259, 2006.
  12. D.Wang, N. Takagi and T. Watanabe, Recent progress in the study of lightning propagation characteristics by using ALPS, J. Atmos. Electr., Vol.25, No.2, 69-77, 2005.
  13. Miki, M., V. A. Rakov, T. Shindo, G. Diendorfer, M. Mair, F. Heidler, W. Zischank, M. A. Uman, R. Thottappillil, D. Wang, Initial stage in lightning initiated from tall objects and in rocket-triggered lightning, J. Geophys. Res., 110, D02109, doi:10.1029/2003JD004474, 2005.
  14. D. Wang, N. Takagi, T. Watanabe, V.A. Rakov, M.A. Uman, K.J. Rambo, M.V. Stapleton, A comparison of channel-base currents and optical signals for rocket-triggered lightning strokes, Atmos. Res., 412-422, 2005.
  15. 山田隆志、徳島大己、石川裕紀、王道洪、内藤治夫, 複数インバータ方式による太陽光発電システムの提案、Vol.124-B, No.9, September, 2004.
  16. D. Wang, N. Takagi, X. Liu, T. Watanabe, A.Chihara, Luminosity characteristics of multiple dart leader/return stroke sequences measured with a high-speed digital image system, Geophys. Res. Lett., Vol.31, L02111, doi:10.1029/2003GL018613, 2004.
  17. M. Miki, T. Shindo, V.A. Rakov, M.A. Uman, K.J. Rambo, G.H. Schnetzer, G. Diendorfer, M. Mair, F. Heidler, W. Zischank, R. Thottappillil, D. Wang, Die Anfangsphase von Aufwartsblitzen, ETZ Elektrotech. Autom., Heft 3-4, 50-55, 2003.
  18. T. Watanabe, N. Takagi, D. Wang, X. Liu, M.Kamata and S. Sakamoto, First report on the characteristics of lightning discharges occurred at Pampa La Bola with an altitude of 5000 m in Chile, J. Atmos. Electr., Vol.23, No.2, pp.69-75, 2003.
  19. M.Chen, T.Watanabe, N.Takagi, Y. Du, D.Wang, X. Liu, Simultaneous observation of optical and electrical signals in altitude-triggered negative lightning flashes, J. Geophys. Res., Vol.108, D8, 4240, doi:10.1029/2002JD002676, 2003.
  20. 徳島大己、石川裕紀、王道洪、内藤治夫、ソフトスイッチング三相一石昇圧形コンバータ、電気学会論文誌Ｄ、Vol. 123, No.3, pp.881-882, 2003.
  21. 王道洪、石川裕紀、内藤治夫、太陽電池Ｖ－Ｉ特性瞬時測定の一方法、電気学会論文誌Ｄ、Vol. 122, No.8, pp.881-882、2002.
  22. X. Qie, Y. Yu, D. Wang, H. Wang, R. Chu, Characteristics of cloud-to-ground lightning in Chinese inland plateau, J. of the Meteorological Society of Japan, Vol.80, No.4, pp.745-754, 2002.
  23. 李東輪､王道洪、高木伸之、渡邉貞司、加藤彬、光ファイバを用いた送電線路における故障点標定の一方法、電気学会論文誌Ｂ、Vol. 121,　 No.6, pp.729-735, 2001.
  24. D.Wang, N.Takagi, T.Watanabe, V. Rakov, M. Uman, Luminosity waves in branched channels of two negative lightning flashes, J. Atmos. Electr., Vol.20, No. 2, pp.91-97, 2000.
  25. X.Qie, Y. Yu, X. Liu, C. Guo, D.Wang, T. Watanabe, T. Ushio, Charge analysis on lightning discharges to the ground in Chinese inland plateau (close to Tibet), Ann. Geophysicae Vol.18, pp.1340-1348, 2000.
  26. M.Chen, N.Takagi, T.Watanabe, D.Wang, Z-I. Kawasaki, X.Liu, Spatial and temporal properties of optical radiation produced by stepped leader, J. Geophys. Res., Vol.104, pp.27573-27584, 1999.
  27. D.Wang, N.Takagi, T.Watanabe, V.A.Rakov, M.A.Uman, Observed leader and return-stroke propagation characteristics in the bottom 400 m of a rocket-triggered lightning channel, J. Geophys. Res., Vol.104, No. D12, pp.14369-14376, 1999.
  28. D.Wang, V.A.Rakov, M.A.Uman, M.I.Fernandez, K.J.Rambo, G.H.Schnetzer, R.J.Fisher, Characterization of the initial stage of negative rocket-triggered lightning, J. Geophys. Res., Vol.104, No.D4, pp.4213-4222, 1999.
  29. D.Wang, V.A.Rakov, M.A.Uman, N.Takagi, T.Watanabe, D.E.Crawford, K.J.Rambo, G.H.Schnetzer, R.J. Fisher, Z-I.Kawasaki, Attachment process in rocket-triggered lightning strokes, J. Geophys. Res., Vol.104, No.D2, pp.2143-2150, 1999.
  30. M.Chen, N.Takagi, T.Watanabe, D.Wang, Z.Kawasaki, T.Ushio, M.Nakano, K.Nakamura, S.Sumi, C.Wang, X.Liu, X.Qie, and C.Guo, Leader properties and attachment process in positive triggered lightning flashes, J. Atmos. Electr., Vol.19, No.1, pp.45-59, 1999.
  31. T.Ushio, Z-I.Kawasaki, K.Matsuura, D.Wang, Electric fields of initial breakdown in positive ground flash, J. Geophys. Res., Vol.103, No.D12, pp.14135-14139, 1998.
  32. N.Takagi, D.Wang, T.Watanabe, I.Arima, T.Takeuchi, M.Shimizu, Y.Katuragi, M.Yokoya, Y.Kawashima, Expansion of the luminous region of the lightning return stroke channel, J. Geophys. Res., Vol.103, No.D12, pp.14131-14134, 1998.
  33. 牛尾知雄、河崎善一郎、大田恭久、陳明理、王道洪、高木伸之、渡辺貞司、劉欣生、郭昌明、X. Qie、中国高原雷の広帯域干渉計による観測、J. Atmos. Electr., Vol.18, No.2, pp.139-154、1998.
  34. I.Yuge, T.Watanabe, N.Takagi, D.Wang, M.Chen, Z-I. Kawasaki, M.Oda,H.Takuma, Y.Minowa, J. Mitsutuji, T.Abe, T.Sato, Y.Sonoi, A preliminary study on triggering lightning with transient flames, J. Atmos. Electr., Vol.18, No.2, pp.125-130, 1998.
  35. X.Qie, C.Guo, G.Zhang, X.Liu, T.Watanabe, D.Wang, Z-I.Kawasaki, M.Nagano, K.Nakamura, T.Ushio, Radiation electric field of return stroke and attachment process near the ground, Plateau Meteorology, Vol.17, No.1, pp.44-54, 1998 (in Chinese).
  36. X.Qie, Y.Yu, G.Zhang, X.Liu, C.Guo, T.Watanabe, Z-I.Kawasaki, M.Nagano, K.Nakamura, D.Wang, T.Ushio, Initial process during one negative ground lightning discharge in Zhongchuan area, Plateau Meteorology, Vol.17, No.1, pp.34-43, 1998 (in Chinese).
  37. M.Takeda, D.Wang, N.Takagi, T.Watanabe, M.Chen, T.Ushio, Z-I.Kawasaki, M.Nakano, N.Nakamura, X.Liu, X.Qie, C.Guo, Some results of investigation on slow front of return stroke electric waveform, J. Atmos. Electr., Vol.18, No.1, pp.31-39, 1998.
  38. 野村幸司、大貫淳、和田将一、舟木剛、河崎善一郎、松浦虔士、王道洪、UHF波帯干渉計を用いた熱帯収束帯における雷観測、J. Atmos. Electr., Vol.18, No.2, pp.113-128、1997.
  39. 島田義則、内田成明、安田裕彦、本越伸二、王道洪、綿田恭之、河崎善一郎、山中龍彦、足立幹雄、石窪雄二、レーザープラズマによる長ギャップ放電の生成と成長過程、レーザー研究、Vol.24, No.5, pp.43-51、1996.
  40. 内田成明、島田義則、安田裕彦、椿本孝治、本越伸二、山中千代衛、山中龍彦、藤田尚徳、松浦虔士、河崎善一郎、牛尾知雄、渡辺貞司、王道洪、足立幹雄、石窪雄二、レーザー誘雷のフィールド実験の現状、レーザー研究、Vol.24, No.5, pp.17-25、1996.
  41. 牛尾知雄、李鐘浩、王道洪、河崎善一郎、松浦虔士、松井敏明、冬季雷放電開始部の電磁界パルスの性質、電気学会論文誌ＢVol.116-B, No.4, pp. 453-460、1996.
  42. D.Wang, N.Takagi, T.Watanabe, T.Ushio, Z-I. Kawasaki, K. Matsuura, Y.Shimada, S.Uchida, C.Yamanaka, Progression of leader system in long gap laser triggered discharges, J. Atmos. Electr., Vol.15, No.2, pp.67-74, 1995.
International Conference
  1. D. Wang, N.Takagi, T.Watanebe, M. Hashimoto, Observed characteristics of the lightning striking on a windmill and its lightning-protection tower, 9c-1, 1-7, Proceedings of 29th International Conference on Lightning Protection, 2008.
  2. D. Wang, N. Takagi, Characteristics of Upward Bipolar Lightning Derived from Simultaneous Recording of Electric Current and Electric Field Change, XXIX General Assembly, International Union of Radio Science, E06.2, 2008.
  3. A. Hazmi, K. Hara, D. Wang, N. Takagi, T. Watanabe, H. Sakurano, and M. Hashimoto, Charge density distribution along a positive upward lightning leader stroke channel, Proceedings of 13th International Conference on Atmospheric Electricity, 398-401, 2007.
  4. D. Wang, K. Minamitani, T. Watanabe, T. Yuan, X. Qie, and Y. Zhang, Electrical characteristics of an isolated Tibetan thunderstorm, Proceedings of 13th International Conference on Atmospheric Electricity, 268-271, 2007.
  5. A. Hazmi, N. Kamegai, D. Wang, N. Takagi and T. Watanabe, Characteristics of discharges occurred in a simulated cloud, Proceedings of 13th International Conference on Atmospheric Electricity, 253-256, 2007.
  6. M. Miki, T. Shindo, A. Wada, V. A. Rakov, M. A. Uman, K. J. Rambo, G. H. Schnetzer, G. Diendorfer, M. Mair, F. Heidler, W. Zischank, R. Thottappillil, D. Wang, Characterization of current pulses superimposed on the continuous current in upward lightning initiated from tall objects and in rocket-triggered lightning, Proceedings of 28th International Conference on Lightning Protection, pp.83-88, 2006.
  7. D. Wang, V. A. Rakov, N. Takagi, T. Watanabe, Common features of return stroke optical traveling waves and their interpretations, Proceedings of 28th International Conference on Lightning Protection, pp.257-260, 2006.
  8. D. Wang, K. Minamitani, H. Horibe, N. Takagi, T. Watanabe, Y. Tie, X. Qie, Y. Zhang and D. Sang, Characterization of the lightning occurred in Lhasa city, Tibet plateau region of China, Proceedings of 28th International Conference on Lightning Protection, pp.239-243, 2006.
  9. D. Wang, T. Ushio, Optical observation of lightning on ground and from space, Proceedings of URSI GA2005, E04 (4 pages), 2005.
  10. D. Wang, N. Takagi, T. Watanabe, Initiation and propagation characteristics of upward positive leaders, Proceedings of EMC04, Sendai, pp.909-912, 2004.
  11. M. Miki, T. Shindo, A. Wada, V. A. Rakov, M. A. Uman, K. J. Rambo, G. H. Schnetzer, G. Diendorfer, M. Mair, F. Heidler, W. Zischank, R. Thottappillil, D. Wang, Characterization of pulses superimposed on the initial continuous current of upward lightning, Proceedings of 12th International Conference on Atmospheric Electricity, pp.479-482, 2003.
  12. N.Takagi, D.Wang, T.Watanabe, K.Yamaguchi, M.Kobori, Development of space charge sensing system, Proceedings of 12th International Conference on Atmospheric Electricity, pp.439-442, 2003.
  13. D. Wang, N. Takagi, T. Watanabe, V.A. Rakov, M.A. Uman, K.J. Rambo, M.V. Stapleton, A comparison of channel-base currents and optical signals for rocket-triggered lightning strokes, Proceedings of 12th International Conference on Atmospheric Electricity, pp.557-560, 2003.
  14. D. Tokushima, H. Ishikawa, D. Wang, H. Naitoh, Soft switched three phase single boost rectifier, IEEE Proceedings of the PPC-Osaka, pp.492-497, 2002.
  15. H. Ishikawa, D. Wang, H. Naitoh, A new switched reluctance motor drive circuit for torque ripple reduction, IEEE Proceedings of the PPC-Osaka, pp.683-688, 2002.
  16. N.Takagi, D.Wang, T.Watanabe, Distributed constant of natural lightning channels in progress of the first return stroke, Proceedings of 5th International workshop on physics of lightning, pp. 43－44, 2001.
  17. D. Wang, M. Chen, N. Takagi, T. Watanabe, Correlated sub-microsecond E-field and high-speed Image of the natural lightning attachment process, Proc. of 17th IAGCLOSE, Paper No. 2882 (5 pages), 2001.
  18. D. Wang, H. Ishikawa, H. Naitoh, Comparison of hard- and soft-switching in terms of EMI, Proceedings of PIERS2001, pp.639, 2001.
  19. V.A. Rakov, M.A. Uman, D. Wang, K.J. Rambo, D.E. Crawford, and G.H.Schnetzer, Lightning properties from triggered-lightning experiments at Camp Blanding, Florida (1997-1999), Proceedings of 25th International Conference on Lightning Protection, pp. 54-59, 2000.
  20. H. Ishikawa, K. Atachi, D. Wang, M. Yoshida, T. Watanabe and S. Sugimoto, Voltage stress reduction for long lead motor by using a new soft-switched PWM inverter, Proceedings of 3rd IPEMC, pp.628-632, 2000.
  21. H.Ishikawa, D.Wang, N.Matsui, A novel control method without switching dead-time for three phase PWM AC/DC converter, Proceedings of IPEC, pp.153-157, 2000.
  22. K.R.M.N. Ratnayake, H.Ishikawa, D.Wang, M.Yoshida, T.Watanabe, Novel hybrid five level inverter, Proceedings of IPEC, pp.153-157, 2000.
  23. D.Tokushima, K.R.M.N. Ratnayake, H.Ishikawa, D.Wang, M.Yoshida, T.Watanabe, A modified C-dump soft-switched SRM converter, Proceedings of IPEC, pp. 153-157, 2000.
  24. T.Ushio, Z.Kawasaki, M.Chen, D.Wang, N.Takagi, T.Watanabe, X.Liu, X. Qie, C.Guo, Broad band interferometric measurement of intra-cloud lightning in Chinese inland plateau area, Proceedings of 11th International Conference on Atmospheric Electricity, pp.18-21, 1999.
  25. X.Liu, C.Wang, Y.Zhang, W. Dong, Q,Xiao, G. Zhang, C.Guo, M.Chen, T.Watanabe, D.Wang, N.Takagi, M.Nakano，K.Nakamura, Z.Kawasaki, 1997 triggered lightning experiment in the inland plateau of China, Proceedings of 11th International Conference on Atmospheric Electricity, pp.30-33, 1999.
  26. M.Chen, T.Watanabe, N.Takagi, D.Wang, X.Liu、Y.Zhan, L.Zhou，D.Zhong, Properties of leader development in altitude-triggered lightning, Proceedings of 11th International Conference on Atmospheric Electricity, pp. 115-118, 1999.
  27. D.Wang, T.Ito, N.Takagi, T.Watanabe, V.Rakov, M.Uman, Propagation characteristics of return stroke and M-components in Florida rocket-triggered lightning, Proceedings of 11th International Conference on Atmospheric Electricity, pp.99-102, 1999.
  28. D.Wang, V.A.Rakov, M.A.Uman, N.Takagi, T.Watanabe, D.E.Crawford, K.J.Rambo, G.H.Schnetzer, R.J. Fisher, Z-I.Kawasaki, Attachment process in rocket-triggered lightning strokes, Proceedings of the 24th ICLP, pp.377-382, 1998.
  29. T. Watanabe, N.Takagi, D.Wang, A.Takeda, N.Yasue, Z.Kawasaki, C.Serizawa, M.Kato, M.Suda, and Y.Katuragi, Feasibility study on triggering lightning with a transient flame, Proceedings of 10th International Conference on Atmospheric Electricity,pp.248-251, 1996.
  30. T. Ushio, D. Wang, Z-I. Kawasaki, K. Matsu-ura, Synchronized multipoint measurements of lightning electric field changes, Proc. of 17th IAGCLOSE, pp.52/1-52/10, 1995.
  31. D.Wang, T.Ushio, Z-I.Kawasaki, S.Uchida, Y.Shimada, H.Yasuda, C.Yamanaka, K.Matsuura, Y.Ishikubo, M.Adachi, Field experiments on laser triggered lightning, Proc. of 17th IAGCLOSE, pp.78/1 -78/10, 1995.
  32. M.Sasaki, S. Makishima, D. Wang, N. Takagi, T. Watanabe, I. Arima, T. Takeuchi, Expansion of the luminous region of the lightning return stroke channel, Proc. of 11th ICGDTA, Vol.1, pp.238-240, 1995.
  33. N.Kato, D.Wang, T.Watanabe, N.Takagi, I.Arima , Effect of the distance between metallic particle and epoxy resin spacer on breakdown characteristics in SF6 gas under fast oscillating impulse voltage, Proc. of 11th ICGDTA, Vol.1, pp.276-279, 1995.