Visualization of Electric Fields Around a Biological Body

Koichi Shimizu, Hideto Endo, Goro Matsumoto

研究成果: Article査読

4 被引用数 (Scopus)

抄録

A system was developed which can visualize the spatial distribution of the ELF (extremely low frequency) electric field around an object with a complex shape such as a biological body. To minimize the field perturbation, an optical field sensor was used. A mechanical X-Y scanner controlled by a microcomputer moves the sensor, automatically scanning the space around the object. The measured data are processed and the field distribution is represented in a color distribution pattern. Using an object with a simple shape such as a cylinder, the accuracy of the measurement was confirmed by comparison to a numerical calculation. The field distributions around experimental animals (a rat and a cat) were measured and it was shown that a conductor model can be used instead of a living body in the ELF range. The field distribution around a human model could be measured in various postures. The results were compared to those of the measurement with a real human body standing under transmission lines, and reasonable agreement was obtained. This technique will provide useful information for the study of the biological effects of the electric field.

本文言語English
ページ(範囲)296-302
ページ数7
ジャーナルIEEE Transactions on Biomedical Engineering
35
5
DOI
出版ステータスPublished - 1988 5
外部発表はい

ASJC Scopus subject areas

  • 生体医工学

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