منابع مشابه
Detection of seismic discontinuities
In seismic images, the opaque oscillatory nature of the ever present sedimentary layers often hide the boundaries between sedimentary packages, such as faults or river channels. Interpreters painstakingly identify these boundaries by inspecting individual planes of the image volume. Discontinuity attribute maps computed from image volumes depict these boundaries and greatly simplify and acceler...
متن کاملSeismic detection of sonic booms.
The pressure signals from a sonic boom will produce a small, but detectable, ground motion. The extensive seismic network in southern California, consisting of over 200 sites covering over 50000 square kilometers, is used to map primary and secondary sonic boom carpets. Data from the network is used to analyze three supersonic overflights in the western United States. The results are compared t...
متن کاملStrangelets, Nuclearites, Q-balls—A Brief Overview
Astrophysical bounds on the properties and abundances of primordial quark nuggets and cosmic ray strangelets are reviewed. New experiments to search for cosmic ray strangelets in lunar soil and from the International Space Station are described. Analogies with baryonic and supersymmetric Q-balls are briefly mentioned, as are prospects for strangelets as ultra-high energy cosmic rays.
متن کاملSearch for Nuclearites with the Slim Detector
We discuss the properties of cosmic ray nuclearites, from the point of view of their search with large nuclear track detector arrays exposed at different altitudes, in particular with the SLIM experiment at the Chacaltaya high altitude lab (5290 m a.s.l.). We present calculations concerning their propagation in the Earth atmosphere and discuss their possible detection with CR39 and Makrofol nuc...
متن کاملDetection and Analysis of Multiple Seismic
We compare several methods of analyzing short-period seismic records with the purpose of detecting multiple events. The data used were from a pair of chemical explosions at a dam site near Alma Ata, recorded at the seismic observatory at N]ould Bay, Canada. The methods evaluated include visual analysis of the arraybeam sums, multichannel matched filtering, autocorrelation analysis, and cepstral...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1996
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.53.6762