[1]
|
P. F. Biagi, L. Castellana, T. Maggipinto, A. Ermini, G. Perna and V. Capozzi, “Electric Field Strength Analysis of 216 and 270 kHz Broadcast Signals Recorded during 9 Years,” Radio Science, Vol. 41, 2006, pp. 3296-3307.
HUdoi:10.1029/2005RS003296U
|
[2]
|
P. F. Biagi, R. Piccolo, A. Ermini, S. Martellucci, C. Bellecci, M. Hayakawa, V. Capozzi and S. P. Kingsley, “Possible Earthquake Precursors Revealed by LF Radio Signals,” Natural Hazards and Earth System Sciences, Vol. 1, No. 1-2, 2001, pp. 99-104.
HUdoi:10.5194/nhess-1-99-2001U
|
[3]
|
P. F. Biagi, R. Piccolo, A. Ermini, S. Martellucci, C. Bel- lecci, M. Hayakawa and S. P. Kingsley, “Disturbances in LF Radio-Signals as Seismic Precursors,” Annali di Geo- fisica, Vol. 44, No. 5-6, 2001, pp. 1011-1020.
|
[4]
|
P. F. Biagi and M. Hayakawa, “Possible Premonitory Behaviour of LF Radiowaves on the Occasion of the Slovenia Earthquakes (M = 5.2-6.0-5.1) Occurred on March-May 1998,” In: M. Hayakawa and O. Molchanov, Eds., Seismo Electromagnetics: Lithosphere-Atmosphere-Ionosphere Coupling, TERRAPUB, Tokyo, 2002, pp. 249-253.
|
[5]
|
P. F. Biagi, L. Castellana, T. Maggipinto, R. Piccolo, A. Minafra, A. Ermini, S. Martellucci, C. Bellecci, G. Perna, V. Capozzi, O. A. Molchanov and M. Hayakawa, “A Possible Preseismic Anomaly in the Ground Wave of a Radio Broadcasting (216 kHz) during July-August 1998 (Italy),” Natural Hazards and Earth System Sciences, Vol. 5, No. 5, 2005, pp. 727-732.
HUdoi:10.5194/nhess-5-727-2005U
|
[6]
|
P. F. Biagi, L. Castellana, T. Maggipinto, R. Piccolo, A. Minafra, A. Ermini, S. Martellucci, C. Bellecci, G. Perna, V. Capozzi, O. A. Molchanov and M. Hayakawa, “LF Ra- dio Anomalies Revealed in Italy by the Wavelet Analysis: Possibile Preseismic Effects during 1997-1998,” Physics and Chemistry of the Earth, Vol. 31, No. 4-9, 2006, pp. 403-408. HUdoi:10.1016/j.pce.2005.10.001U
|
[7]
|
P. F. Biagi, L. Castellana, T. Maggipinto, D. Loiacono, V. Augelli, L. Schiavulli, A. Ermini, V. Capozzi, M. S. Solovieva, A. A. Rozhnoi, O. A. Molchanov and M. Hayakawa, “Disturbances in a VLF Radio Signal Prior the M = 4.7 Offshore Anzio (Central Italy) Earthquake on August 22, 2005,” Natural Hazards and Earth System Sciences, Vol. 8, No. 5, 2008, pp. 1041-1048.
HUdoi:10.5194/nhess-8-1041-2008U
|
[8]
|
M. Hayakawa and H. Sato, “Ionospheric Perturbations Associated with Earthquakes, as Detected by Subionospheric VLF Propagation,” In: M. Hayakawa and Y. Fujinawa, Eds., Electromagnetic Phenomena Related to Earthquake Prediction, TERRAPUB, Tokyo, 1994, pp. 391-397.
|
[9]
|
M. Hayakawa, O. Molchanov, T. Ondoh and E. Kawai, “The Precursory Signature Effect of the Kobe Earthquake on Subionospheric VLF Signals,” Journal of Communications Research Laboratory, Vol. 43, 1996, pp. 169-180.
|
[10]
|
M. Hayakawa, K. Ohta, S. Maekawa, T. Yamauchi, Y. Ida, T. Gotoh, N. Yonaiguchi, H. Sasaki and T. Nakamura, “Electromagnetic Precursors to the 2004 Mid Niigata Prefecture Earthquake,” Physics and Chemistry of the Earth, Vol. 31, No. 4-9, 2006, pp. 356-364.
HUdoi:10.1016/j.pce.2006.02.023U
|
[11]
|
M. Hayakawa, Y. Kasahara, T. Nakamura, F. Muto, T. Horie, S. Maekawa, Y. Hobara, A. A. Rozhnoi, M. Solovieva and O. A. Molchanov, “A Statistical Study on the Correlation between Lower Ionospheric Perturbations as Seen by Subionospheric VLF/LF Propagation and Earthquakes,” Journal of Geophysical Research, Vol. 115, 2010, pp. 15143-15150.
|
[12]
|
V. A. Morgounov, T. Ondoh and S. Nagai, “Anomalous Variation of VLF Signals Associated with Strong Earthquakes (M 3 7.0),” In: M. Hayakawa and Y. Fujinawa, Eds., Electromagnetic Phenomena Related to Earthquake Prediction, TERRAPUB, Tokyo, 1994, pp. 409-428.
|
[13]
|
O. A. Molchanov and M. Hayakawa, “Subionospheric VLF Signal Perturbations Possibly Related to Earthquakes,” Journal of Geophysical Research, Vol. 103, No. A8, 1998, pp. 17489-17504. HUdoi:10.1029/98JA00999U
|
[14]
|
O. A. Molchanov, A. Rozhnoi, M. Solovieva, O. Akentieva, J. J. Berthelier, M. Parrot, F. Lefeuvre, P. F. Biagi, L. Castellana and M. Hayakawa, “Global Diagnostic of the Ionospheric Perturbations Related to the Seismic Activity Using the VLF Radio-Signals Collected on the DEMETER Satellite,” Natural Hazards and Earth System Sciences, Vol. 6, No. 5, 2006, pp. 745-753.
HUdoi:10.5194/nhess-6-745-2006U
|
[15]
|
A. A. Rozhnoi, M. S. Solovieva, O. A. Molchanov and M. Hayakawa, “Middle Latitude LF (40 kHz) Phase Variations Associated with Earthquakes for Quiet and Disturbed Geomagnetic Conditions,” Physics and Chemistry of the Earth, Vol. 29, No. 4-9, 2004, pp. 589-598.
HUdoi:10.1016/j.pce.2003.08.061U
|
[16]
|
A. A. Rozhnoi, M. S. Solovieva, O. A. Molchanov, M. Hayakawa, S. Maekawa and P. F. Biagi, “Anomalies of LF Signal during Seismic Activity in November-December 2004,” Natural Hazards and Earth System Sciences, Vol. 5, No. 5, 2005, pp. 657-660.
HUdoi:10.5194/nhess-5-657-2005U
|
[17]
|
A. A. Rozhnoi, M. S. Solovieva, O. A. Molchanov, V. Chebrov, V. Voropaev, M. Hayakawa, S. Maekawa and P. F. Biagi, “Preseismic Anomaly of LF Signal on the Wave Path Japan-Kamchatka during November 2004,” Physics and Chemistry of the Earth, Vol. 31, No. 4-9, 2006, pp. 422-427. HUdoi:10.1016/j.pce.2006.02.033U
|
[18]
|
A. A. Rozhnoi, M. S. Solovieva, O. A. Molchanov, V. Gladyshev, O. Akentieva, J. J. Berthelier, M. Parrot, F. Lefeuvre, M. Hayakawa, L. Castellana and P. F. Biagi, “Possible Seismo-Ionosphere Perturbations Revealed by VLF Signals Collected on Ground and on a Satellite,” Natural Hazards and Earth System Sciences, Vol. 7, No. 5, 2007, pp. 617-624. HUdoi:10.5194/nhess-7-617-2007U
|
[19]
|
P. F. Biagi, T. Maggipinto, F. Righetti, D. Loiacono, L. Schiavulli, T. Ligonzo, A. Ermini, I. A. Moldovan, A. S. Moldovan, A. Buyuksarac, H. G. Silva, M. Bezzeghoud and M. E. Contadakis, “The European VLF/LF Radio Network to Search for Earthquake Precursors: Setting Up and Natural/Man-Made Disturbances,” Natural Hazards and Earth System Sciences, Vol. 11, No. 2, 2011, pp. 333- 341. HUdoi:10.5194/nhess-11-333-2011U
|
[20]
|
K. Schwingenschuh, G. Prattes, B. P. Besser, K. Mocnic, M. Stachel, O. Aydogar, O. Jernei, G. Stangl, M. Y. Boudjada, A. Rozhnoi, M. Solovieva, P. F. Biagi, M. Hayakawa and H. U. Eichelberger, “The Graz Seismo-Electromagnetic VLF Facility,” Natural Hazards and Earth System Sciences, Vol. 11, No. 4, 2011, pp. 1121-1127.
HUdoi:10.5194/nhess-11-1121-2011U
|
[21]
|
F. Righetti, P. F. Biagi, T. Maggipinto, L. Schiavulli, T. Ligonzo, A. Ermini, I. A. Moldovan, A. S. Moldovan, A. Buyuksarac, H. G. Silva, M. Bezzeghoud, M. E. Contadakis, D. N. Arabelos and T. D. Xenos, “Wavelet Analysis of the LF Radio Signals Collected by the European VLF/LF Network from July 2009 until April 2011,” Annals of Geophysics, Vol. 55, No. 1, 2012, pp. 171-180.
|
[22]
|
I. Daubechies, “Ten Lectures on Wavelets,” CBMS-NSF Regional Conferences Series in Applied Mathematics SIAM, Philadelphia, May 1992, pp. 61-80.
HUdoi:10.1137/1.9781611970104U
|
[23]
|
G. Strang and T. Nguye, “Wavelets and Filter Banks,” Wellesley Cambridge Press, Wellesley, 1996.
|
[24]
|
C. Torrence and G. P. Compo, “A Practical Guide to Wavelet Analysis,” Bulletin of the American Meteorological Society, Vol. 79, No. 1, 1998, pp. 61-78.
HUdoi:10.1175/1520-0477(1998)079<0061:APGTWA>2.0.CO;2U
|
[25]
|
I. T. Joliffe, “Principal Component Analysis,” Springer-Verlag, New York, 2002.
|
[26]
|
P. F. Biagi, “Pre and Post Seismic Disturbances Revealed on the Geochemical Data Collected in Kamchatka (Russia) during the Last 30 Years,” In: M. Hayakawa, Ed., Electromagnetic Phenomena Associated with Earthquakes, Transworld Research Network, Kerala, 2009, pp. 97-117.
|
[27]
|
T. Rikitake, “Earthquake Precursors,” Bulletin of Seismological Society of America, Vol. 65, No. 5, 1975, pp. 1133-1162.
|