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Book Chapter

Interaction of Electromagnetic Fields and a Model of the Human Head

By
Atef Z. Elsherbeni
Atef Z. Elsherbeni
1Department of Electrical Engineering, University of Mississippi, University, MS 38677, USA; on leave at the Department of Electrical Engineering, University of California, Los Angeles.
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Joseph S. Colburn
Joseph S. Colburn
2Department of Electrical Engineering, University of California, Los Angeles, Los Angeles, CA 90095-1594, USA.
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Yahya Rahmat-Samii
Yahya Rahmat-Samii
2Department of Electrical Engineering, University of California, Los Angeles, Los Angeles, CA 90095-1594, USA.
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Clayborne D. Taylor, Jr.
Clayborne D. Taylor, Jr.
3Department of Electrical Engineering, University of Mississippi, University, MS 38677, USA.
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Published:
January 01, 1999

Summary

Antennas for personal communications devices transmit and receive electromagnetic (EM) waves (at microwave frequences) near the operator’s head. We have used the finite-difference time-domain method to model this EM radiation as it interacts with a model of the human head, and have generated animated movies to visualize this interaction. We have studied two antennas in detail—a 900-MHz terrestrial wireless antenna and a 1.8-GHz handset-to-satellite link. In one of our studies, the model of the human head was derived from magnetic resonance images; in another study, the model came from pictures of anatomical cuts. Movies showing the evolution of the fields in these models are available at the Society of Exploration Geophysicists world wide web site.

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Contents

Geophysical Developments Series

Three-Dimensional Electromagnetics

Society of Exploration Geophysicists
Volume
7
ISBN electronic:
9781560802154
Publication date:
January 01, 1999

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