Zobrazeno 1 - 10
of 87
pro vyhledávání: '"J. W. C. Sherwood"'
Publikováno v:
70th EAGE Conference and Exhibition incorporating SPE EUROPEC 2008.
In 1999 AGS started the commercial development of Beam Pre-Stack Depth Migration (BPSDM). The anticipated merits were simplicity, economy, flexibility and future development possibilities: the unknowns were the migration accuracy and quality. BPSDM c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1e0aee2bcf4b2b6acc1d5dd04f987d2
https://doi.org/10.3997/2214-4609.20147687
https://doi.org/10.3997/2214-4609.20147687
Autor:
J. W. C. Sherwood, T. W. Spencer
Publikováno v:
Bulletin of the Seismological Society of America. 52:573-594
This preliminary theoretical study is basically concerned with the estimation of the depth of an explosive source from a knowledge of the radiated Rayleigh wave. Details are given of the dependence of the amplitude spectrum on the explosive yield, de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9fce3ca6b1fc2be2d73f72b6951d896
https://doi.org/10.1785/bssa0520030573
https://doi.org/10.1785/bssa0520030573
Autor:
J. W. C. Sherwood
Publikováno v:
GEOPHYSICS. 27:19-34
A description is given of the Seismoline, an electrical analog computer of theoretical reflection seismograms involving all primary and multiple reflections. The computer utilizes an analogy between seismic wave propagation through a stratified earth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3b9084c6f0ce8d7462842514016847f
https://doi.org/10.1190/1.1438973
https://doi.org/10.1190/1.1438973
Autor:
J. W. C. Sherwood
Publikováno v:
Proceedings of the Physical Society. 71:207-219
A simple physical picture is given of plane waves possessing complex angles of propagation, which play an important role in the theory of elastic wave radiation. Their utility is illustrated by studying continuous sinusoidal wave propagation parallel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c51c400aaaed605725166d8cbe96def9
https://doi.org/10.1088/0370-1328/71/2/308
https://doi.org/10.1088/0370-1328/71/2/308
Autor:
J. W. C. Sherwood
Publikováno v:
The Journal of the Acoustical Society of America. 30:979-984
At any single frequency an arbitrary force distribution in an infinite elastic plate must be expressible as a superposition of the plate's eigenvibrations. Since the force distribution may be varied in an infinite number of ways it follows that the p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0496ac7fefff7289a76bb0adc880a0a0
https://doi.org/10.1121/1.1909424
https://doi.org/10.1121/1.1909424
Autor:
P. H. Poe, J. W. C. Sherwood
Publikováno v:
GEOPHYSICS. 37:769-787
An economic computer program can stack the data from several adjoining common depth points over a wide range of both dip and normal moveout. We can extract from this a set of seismic wavelets, each possessing a determined dip and normal moveout, whic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d4dd1f90b4e9ca70a71d12cc844846a
https://doi.org/10.1190/1.1440299
https://doi.org/10.1190/1.1440299
Autor:
J. W. C. Sherwood
Publikováno v:
The Journal of the Acoustical Society of America. 32:1673-1684
A theoretical analysis is made of transient sound propagation between a source and receiver located at arbitrary points in a horizontally stratified liquid medium. Definite integral expressions are developed for an event which has been reflected from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8f0971aea29a01bf30193b9d93af808
https://doi.org/10.1121/1.1907988
https://doi.org/10.1121/1.1907988
Publikováno v:
Seismic Refraction Prospecting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c0da9f00c61265a190097c9bfa8b9cd
https://doi.org/10.1190/1.9781560802679.ch3
https://doi.org/10.1190/1.9781560802679.ch3
Autor:
J. W. C. Sherwood, Roger D. Judson
Publikováno v:
The Journal of the Acoustical Society of America. 42:1190-1191
In exploration, seismology surface sound sources and detectors are utilized to indicate variations in the elastic properties of the subsurface of the earth and from these infer the geological structure. It is helpful to pose the basic problem in a fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3b7d3ee5e5c0f6231a8d9e7a19f97a3
https://doi.org/10.1121/1.2144113
https://doi.org/10.1121/1.2144113
Autor:
J. W. C. Sherwood
Publikováno v:
The Journal of the Acoustical Society of America. 49:98-98
From 1953 to 1956, this author had the privilege of performing postgraduate research work in the Acoustics Group at Imperial College. Under the enlightened guidance of Dr. R. W. B. Stephens, this group worked on a wide range of topics, and it was the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93f94c322caefca677fb4fe207f8a9e7
https://doi.org/10.1121/1.1976210
https://doi.org/10.1121/1.1976210