Part‐body and multibody effects on absorption of radio‐frequency electromagnetic energy
作者:
O. P. Gandhi,
M. J. Hagmann,
J. A. D'Andrea,
期刊:
Radio Science
(WILEY Available online 1979)
卷期:
Volume 14,
issue 6S
页码: 15-21
ISSN:0048-6604
年代: 1979
DOI:10.1029/RS014i06Sp00015
数据来源: WILEY
摘要:
Fine structure in the whole‐body resonant curve for radio‐frequency energy deposition in man can be attributed to part‐body resonances. As for head resonance, which occurs near 350 MHz in man, the absorptive cross section is nearly three times the physical cross section of the head. The arm has a prominent resonance at 150 MHz. Numerical solutions, antenna, theory, and experimental results on animals have shown that whole‐body energy deposition may be increased by 50 percent or more because of multiple bodies that are strategically located in the field. Empirical equations for SARs are also presented along with test data for several species of laboratory animals. Barbiturate anesthesia is sufficiently disruptive of thermoregulation that ΔTsof colonie temperature yield energy dose values in several mammals that compare quite favorably with those based on whole‐body c
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