Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ranjit K. Shaw"'
Publikováno v:
Computers & Geosciences. 33:966-975
We developed a scheme to compute the depths of four idealized magnetized sources, viz., a monopole, a line of monopoles, a dipole and a line of dipoles from the Walsh spectra of the total-field magnetic anomalies. The sequency numbers, l"m"a"x corres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f40451dc08806a95ed957641c8d29c51
https://doi.org/10.1016/j.cageo.2006.11.008
https://doi.org/10.1016/j.cageo.2006.11.008
Autor:
Ranjit K. Shaw, Shalivahan Srivastava
Publikováno v:
GEOPHYSICS. 72:F75-F83
Particle swarm optimization (PSO) is a global optimization strategy that simulates the social behavior observed in a flock (swarm) of birds searching for food. A simple search strategy in PSO guides the algorithm toward the best solution through cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22b8294f348ea1c3a24c8303f9363ac6
https://doi.org/10.1190/1.2432481
https://doi.org/10.1190/1.2432481
Autor:
Mrinal K. Sen, Ranjit K. Shaw
Publikováno v:
GEOPHYSICS. 71:C15-C24
Microstructural attributes of cracks and fractures, such as crack density, aspect ratio, and fluid infill, determine the elastic properties of a medium containing a set of parallel, vertical fractures. Although the tangential weakness [Formula: see t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::679de1e29cba9f5c49ea327f1346a6b3
https://doi.org/10.1190/1.2194896
https://doi.org/10.1190/1.2194896
Publikováno v:
Journal of Applied Geophysics. 40:179-186
Walsh transform of gravity anomalies over a point mass, a horizontal and a vertical line mass have been computed to obtain a cyclic shift invariant differential energy density (DED) function. Quantitative relations between DED spectral characteristic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cf737830c19771830fec1fe1a2b7a66
https://doi.org/10.1016/s0926-9851(98)00027-5
https://doi.org/10.1016/s0926-9851(98)00027-5
Autor:
B. N. P. Agarwal, Ranjit K. Shaw
Publikováno v:
Geophysical Prospecting. 45:1003-1011
The existing concept of the gradient of the potential field anomaly over a 3D source has been generalized. An observed anomaly is modified through a filter based on an assumed source geometry. The first-order derivatives of this modified anomaly in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5e534869be9b6b539fa2b1c14f2fc5d
https://doi.org/10.1046/j.1365-2478.1997.740310.x
https://doi.org/10.1046/j.1365-2478.1997.740310.x
Publikováno v:
Geophysical Prospecting. 45:513-520
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41225f287c231e8f7a0b1690a41f7de1
https://doi.org/10.1046/j.1365-2478.1997.450279.x
https://doi.org/10.1046/j.1365-2478.1997.450279.x
Publikováno v:
SEG Technical Program Expanded Abstracts 2007.
SUMMARY We model azimuthal amplitude variations of seismic P-wave reflections at the top of a layer with a fracture set with arbitrary orientation, embedded in a homogeneous isotropic background medium. We remove the isotropic constituents of the ref
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::938774b6ccbc52c7fb1fc90295d621e3
https://doi.org/10.1190/1.2792418
https://doi.org/10.1190/1.2792418
Publikováno v:
SEG Technical Program Expanded Abstracts 2005.
AVOA equations for fractured media are generally expressed as functions of Thomsen parameters. Here we derive new expressions for AVOA directly in terms of excess fracture compliances or fracture weaknesses. We make use of a general slip theory to re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bf24d8d5090ef898667bac089961a89
https://doi.org/10.1190/1.2144281
https://doi.org/10.1190/1.2144281
Publikováno v:
SEG Technical Program Expanded Abstracts 2002.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80c077fec730c1f2369210478dd6adc6
https://doi.org/10.1190/1.1817364
https://doi.org/10.1190/1.1817364