Magnetic field imaging by ct technique

Hideo Saito, Ritsu Kusaba, Masato Nakajima, Shin'ichi Yuta

研究成果: Article査読

6 被引用数 (Scopus)

抄録

In this paper, we propose a method for measuring the magnetic field as a 2-D tomographic image, applying an algorithm of CT to the electromagnetic induction phenomenon, and also show some experimental results to demonstrate the efficacy. When a line conductor moves relatively to a field of magnetic flux density, the voltage is induced between both ends of the line conductor. The measurement of the voltage during the field movement provides a projection data of the flux density distribution in the plane where the line conductor passed. Collecting this projection data at every angle, and applying the CT algorithm to them, the flux density distribution can be reconstructed in a 2-D tomographic image. We performed imaging experiments of a magnetic flux density distribution produced by a U-sbaped permanent magnet and succeeded in getting high quality reconstructed images.

本文言語English
ページ(範囲)2587-2589
ページ数3
ジャーナルIEEE Transactions on Magnetics
23
5
DOI
出版ステータスPublished - 1987 9

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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