Calculation Error's Correction of Three-Component Geomagnetic Field's Marine Survey

Xing Le Zhu; Chang Han  Xiao; Zhen Ning  Yao

doi:10.4028/www.scientific.net/AMR.756-759.323

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 756-759Calculation Error's Correction of Three-Component...

Calculation Error's Correction of Three-Component Geomagnetic Field's Marine Survey

Abstract:

In order to eliminate calculation error, wavelet transform is used to remove noise when navigational data is used to calculate truth-value of three-component geomagnetic field. By introducing Euler attitude rotation matrix, the computing value of geomagnetic vector is decomposed by multi-scale wavelet transform in each frequency. The high-frequency noise is removed and the accurate value of geomagnetic field can be got by rebuilding low-frequency component. Simulation results indicate that the calculated value is identical with setting value and has high precision, which means the method has great applied importance and instructional significance for practical measurement of marine three-component geomagnetic field.

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Periodical:

Advanced Materials Research (Volumes 756-759)

Pages:

323-326

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.756-759.323

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Online since:

September 2013

Authors:

Xing Le Zhu, Chang Han Xiao, Zhen Ning Yao

Keywords:

Attitude Angle, Calculation Error, Magnetic Field Measurement, Wavelet Transform (WT)

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