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[en] Results are presented from processing the measurement data on low-frequency fluctuations from the North Star active explosive ionospheric experiment. The fluctuation precursor signal was processed by the wavelet analysis method. The structures revealed are identified as ion acoustic envelope solitons
Journal
[en] The first global maps showing the performance of the infra-sound network of the international monitoring system were set in the nineties. Recent measurement of the background noise by the 36 operating stations combined with advanced models of wind give now a more realistic mapping. It has become possible to validate simulations by measuring real events. For instance the explosion that happened in March 2008 in an ammunition storehouse in Albania was detected till Zalesovo (Russia) 4920 km away. These new simulations confirm the detection capability of the network to detect and localize atmospheric explosions whose energy is over 1 kt. It is also shown that the detection performance are very sensitive to both time and places. (A.C.)
Journal
Chocs Avancees; ISSN 1961-7399; 
; (no.); p. 45-47
; (no.); p. 45-47
[en] The full effects of a nuclear explosion are (perhaps fortunately) as yet hardly apprehended by the mass of mankind: such an explosion, either at ground level or at above atmospheric height, could have effects extending over millions of square kilometres. The authors attempt, in simple terms, to assess these effects, starting with the actual ignition process, the subsequent forms of energy distribution (assuming a symmetrical and homogeneous atmosphere) and concluding with the final results, with some possible precautionary measures. (F.N.S.)
Journal
Bull. Assoc. Suisse Electr; ISSN 0004-587X; ; v. 71(17); p. 906-910
; v. 71(17); p. 906-910
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