Referenced Items are not available for this document.
For the purpose of diagnostic application of microwaves, establishment of techniques to measure the signal transmission through the human torso is attempted. Leakage effects are the most troublesome measuring problem above 1 GHz because of high attenuation within the body. Swept-frequency measurement and close coupling between the flanged aperture antenna and the body assure that the results are free from leakage effects. Experimentally obtained attenuation constants of the abdomen and left thorax are almost the same as those of muscle tissues. In the thorax record, changes of attenuation caused by heartbeats or respirations are observed.
Published in:
Microwave Theory and Techniques, IEEE Transactions on
(Volume:25
,
Issue:
8
)
Date of Publication: Aug 1977
- Page(s):
- 707 - 710
- ISSN :
- 0018-9480
- Digital Object Identifier :
- 10.1109/TMTT.1977.1129191
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 January 2003
- Issue Date :
- Aug 1977
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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