Zobrazeno 1 - 10
of 89
pro vyhledávání: '"I. J. Won"'
Publikováno v:
OCEANS 2016 - Shanghai.
We performed numerical and physical experiment with a marine monostatic electromagnetic (EM) survey system, which is developed primarily for exploration of seafloor mineral deposits. The system is a multi-frequency EM system housed to endure high pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94e2f971624b4a9fc3092525fac514c4
https://doi.org/10.1109/oceansap.2016.7485489
https://doi.org/10.1109/oceansap.2016.7485489
Publikováno v:
Journal of the Korean Society of Mineral and Energy Resources Engineers. 49:766-777
We performed an off-shore experiment with a new marine small loop electromagnetic (EM) survey system, which was developed primarily for exploration of seafloor hydrothermal deposits. The system is a multi-frequency loop EM system designed to endure h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10f22d140f3446f28df1dfdd78cd568d
https://doi.org/10.12972/ksmer.2012.49.6.766
https://doi.org/10.12972/ksmer.2012.49.6.766
Publikováno v:
Journal of Applied Geophysics. 61:217-226
A new broadband electromagnetic induction (EMI) array sensor, GEM-5, for detecting and characterizing Unexploded Ordnance (UXO) has been developed in order to provide high production rates for EMI surveys. The sensor consists of a single rectangular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09a15ad32d234a4f0221c2f1c2d762c2
https://doi.org/10.1016/j.jappgeo.2006.06.005
https://doi.org/10.1016/j.jappgeo.2006.06.005
Autor:
I. J. Won, Haoping Huang
Publikováno v:
GEOPHYSICS. 69:1387-1393
Apparent conductivity computed from in‐phase and quadrature components has been used successfully to detect buried metallic objects such as unexploded ordnance (UXO). The conductivity computation uses magnetic susceptibility calculated from the low
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71ec7cc7d017112c20334248b5871760
https://doi.org/10.1190/1.1836813
https://doi.org/10.1190/1.1836813
Publikováno v:
The Leading Edge. 23:658-662
Until 1996, international weapons inspection and arms control missions did not include sophisticated geophysical investigation. On-site inspections depended largely on visual observation, personal communication, and physical searches. As part of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83044f86507752a055e9cd56a0b14fae
https://doi.org/10.1190/1.1776737
https://doi.org/10.1190/1.1776737
Autor:
I. J. Won, Haoping Huang
Publikováno v:
The Leading Edge. 23:448-451
A magnetometer is used in a geophysical survey to measure magnetic susceptibility variations in earth. It is a passive sensor because it uses the ambient earth magnetic field as the source of excitation. An electromagnetic (EM) sensor operating below
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03d25eb227ae2eaf9b1252096b34858c
https://doi.org/10.1190/1.1756834
https://doi.org/10.1190/1.1756834
Automated anomaly picking from broadband electromagnetic data in an unexploded ordnance (UXO) survey
Autor:
I. J. Won, Hoaping Huang
Publikováno v:
GEOPHYSICS. 68:1870-1876
We present automated anomaly‐picking methods for detecting unexploded ordnance (UXO) from broadband electromagnetic (EM) data. Using data consisting of in‐phase and quadrature responses at multiple (typically 10) frequencies, a detector function
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebbb43cda4620b96b186795eefc5cdda
https://doi.org/10.1190/1.1635039
https://doi.org/10.1190/1.1635039
Autor:
I. J. Won, Haoping Huang
Publikováno v:
GEOPHYSICS. 68:1877-1887
We analyze the use of the broadband electromagnetic (EM) method in detecting metallic objects, such as unexploded ordnance (UXO), buried in magnetic environments. Magnetic rocks close to the sensor often contribute a larger in‐phase response than d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1cb09a92fbae6e1ad592de4a04d4562
https://doi.org/10.1190/1.1635040
https://doi.org/10.1190/1.1635040
Publikováno v:
GEOPHYSICS. 68:1888-1895
We present a new helicopter‐towed broadband electromagnetic sensor, GEM‐2A, for mineral prospecting and geologic mapping. The sensor uses one set of transmitter and receiver coils for a multifrequency operation. For a given survey, the user initi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be38e5d73b7290abbc032e861a65f67e
https://doi.org/10.1190/1.1635041
https://doi.org/10.1190/1.1635041
Autor:
Haoping Huang, I. J. Won
Publikováno v:
GEOPHYSICS. 68:1224-1231
Common situations encountered in geophysical investigations involving environmental and engineering problems call for simple and fast onsite interpretation of the survey data so results can be available in a timely manner for the projects. We have de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f17b29b25a3bf0e231ca059391526f17
https://doi.org/10.1190/1.1598114
https://doi.org/10.1190/1.1598114