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IEICE TRANSACTIONS on Fundamentals

High Precision Deep Sea Geomagnetic Data Sampling and Recovery with Three-Dimensional Compressive Sensing

Chao ZHANG, Yufei ZHAO

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Summary :

Autonomous Underwater Vehicle (AUV) can be utilized to directly measure the geomagnetic map in deep sea. The traditional map interpolation algorithms based on sampling continuation above the sea level yield low resolution and accuracy, which restricts the applications such as the deep sea geomagnetic positioning, navigation, searching and surveillance, etc. In this letter, we propose a Three-Dimensional (3D) Compressive Sensing (CS) algorithm in terms of the real trajectory of AUV which can be optimized with the required accuracy. The geomagnetic map recovered with the CS algorithm shows high precision compared with traditional interpolation schemes, by which the magnetic positioning accuracy can be greatly improved.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.9 pp.1760-1762
Publication Date
2017/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.1760
Type of Manuscript
Special Section LETTER (Special Section on Signal Processing on Irregular Sampling Grids)
Category

Authors

Chao ZHANG
  Tsinghua University
Yufei ZHAO
  Tsinghua University

Keyword