Generation of geomagnetic oscillations in the late stage of a camouflet explosion |
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Authors: | L P Gorbachev Yu B Kotov T A Semenova |
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Institution: | (1) Moscow Engineering-Physical Institute, 115409 Moscow, Russia;(2) Institute of Applied Mathematics, Russian Academy of Sciences, 125047 Moscow, Russian |
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Abstract: | Generation of geomagnetic disturbances is studied at the late stage of an underground nuclear explosion, where the originally
displaced geomagnetic field penetrates into the explosion cavity again. The strength of the electric field of a geomagnetic
disturbance due to oscillations of the magnetic moment is calculated. A method for analyzing records of geomagnetic disturbances
is developed that permits one to take into account the character of quasiperiodic oscillations in the signal. The calculations
are compared to results of the experiments performed in the state of Nevada in 1958.
Translated from Prikladnaya Mekhnaika i Tekhnicheskaya Fizika, Vol. 40, No. 4, pp. 16–24, July–August, 1999. |
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