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2008 | 15 | 2 |

Tytuł artykułu

Detection of ferromasgnetic objects in local magnetic anomaly of the Baltic Sea

Autorzy

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
In geological researches several kinds of methods are applied to discovering the natural resources. Planes, helicopters and UAVs (UnmAnned Vehicle) are used in researches in large areas. The gravity, electromagnetic and magnetic methods, which are used in geological researches, are presented in this paper. The special attention was paid to magnetic systems installed on mobile platforms. The magnetic fieldoftheEarthobtainedfrommathematicalmodel was compared to the real magnetic field in the selected part of the Baltic Sea. Theresults of the calculations showed that the mathematical model of the Earth’s magnetic fielddoes not consider local magnetic anomalies. The strong local magnetic anomalies cause serious problems with detection of underwater objects. Special problems appear in the magnetic system on a helicopter, which are presented in this paper

Słowa kluczowe

Wydawca

-

Rocznik

Tom

15

Numer

2

Opis fizyczny

p.77-82,fig.,ref.

Twórcy

autor
  • Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-952 Gdansk, Poland

Bibliografia

  • 1. Telford W.M., Geldart L.P., Sheriff R.E.: Applied Geophysics. Cambridge University Press, New York 1990
  • 2. www.canadianmigrogravity.com
  • 3. Gabell A., Tuckett H., Olson D.: The GT-1A mobile gravity system. Abstract from the ASEG-PESA Airborne Gravity 2004 Workshop, pp.55-62, Sydney 2004
  • 4. www.fugro.com
  • 5. McFee J.E., Das Yogadhish, Ellingson R.O.: Locating and Identifying Compact Ferrous Objects. IEEE Transactions on Geoscience and Remote Sesnsing, vol.28,, no.2, pp.182-193, march 1990
  • 6. MathCad 2000 User Guide, MathSoft Inc., 2000
  • 7. Merrill R., McElhinny M., McFadden: The magnetic fieldoftheEarth. International Geophysiscs Series. Volume 63. Academic Press. San Diego, California, USA, 1998
  • 8. Ripka P.: Magnetic sensors and magnetometers. Artech House, Norwood 2001
  • 9. Clem T.: Superconducting magnetic sensors operating from a moving platform. IEEE Trans. Appl. Supercond., Vol. 5(2), pp.2124-2148, 1995
  • 10. Leliak P.: Identificationand Evaluation of Magnetic FieldSources of Magnetic Airborne Detector Equipped Aircraft. IRE Trans. Aerospace and Navigational Electroncs, vol. 8, September 1961, pp. 95-105
  • 11. W ołoszyn M.: Symulator kompensatora zakłóceń magnetycznych generowanych przez samolot. Pomiary Automatyka Kontrola, grudzień 2004
  • 12. www.canadianmicrogravity.com13. www.geometrics.com14. www.fugro.com

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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