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dc.contributor.authorWU, LKen_US
dc.contributor.authorNIEH, WKen_US
dc.date.accessioned2014-12-08T15:03:15Z-
dc.date.available2014-12-08T15:03:15Z-
dc.date.issued1995-07-01en_US
dc.identifier.issn0018-9480en_US
dc.identifier.urihttp://dx.doi.org/10.1109/22.392917en_US
dc.identifier.urihttp://hdl.handle.net/11536/1818-
dc.description.abstractRadiometric signal received by an open-ended rectangular waveguide probe in direct contact with a bilayered biological tissue is analyzed by the FDTD method. Two-layer tissue model consists of an outer thin skin layer over a semiinfinite fat layer is analyzed for a X-band total power radiometer. A spherical tumor with same permittivity as, but slightly higher temperature than, the surrounding normal fat tissue is assumed to exist inside the fat tissue. Active probe characteristics are analyzed first using the FDTD method for a propagating, sinusoidally time-varying, TE(10) type of excitation source. For the same waveguide probe operated as the radiometer antenna, radiometric weighting factors associated with individual tissue cells are then derived from the FDTD calculated field values, Near field radiating characteristics of the probe and radiometric signals determined for tumors of various size and depth are discussed, Presence of the skin is found to result in lower power transmission coefficient across the probe aperture and significantly lower absorbed powers by fat; both of these contribute to much lower radiometric signals observed.en_US
dc.language.isoen_USen_US
dc.titleFDTD ANALYSIS OF THE RADIOMETRIC TEMPERATURE-MEASUREMENT OF A BILAYERED BIOLOGICAL TISSUE USING A BODY-CONTACTING WAVE-GUIDE PROBEen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/22.392917en_US
dc.identifier.journalIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUESen_US
dc.citation.volume43en_US
dc.citation.issue7en_US
dc.citation.spage1576en_US
dc.citation.epage1583en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.department電信工程研究所zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.contributor.departmentInstitute of Communications Engineeringen_US
dc.identifier.wosnumberWOS:A1995RH82400021-
dc.citation.woscount8-
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