DocumentCode
1045486
Title
Simple non-invasive measurement of complex permittivity
Author
Johnson, Robert H. ; Pothecary, N.M. ; Robinson, M.P. ; Preece, A.W. ; Railton, Chris J.
Author_Institution
Bristol Oncology Centre, UK
Volume
29
Issue
15
fYear
1993
fDate
7/22/1993 12:00:00 AM
Firstpage
1360
Lastpage
1361
Abstract
A simple non-invasive sensor measures complex permittivity at microwave (UHF) frequencies from changes in resonance frequency and reflection coefficient. Response to reference liquids is in good agreement with finite difference time-domain calculation. The sensor is intended for detection and characterisation of breast tumours but has wider applications.
Keywords
biomedical electronics; biomedical equipment; biomedical measurement; electric sensing devices; microwave measurement; patient diagnosis; permittivity measurement; resonance; 500 MHz; UHF; breast tumours; complex permittivity; dielectric constant; non-invasive measurement; noninvasive sensor; reflection coefficient; resonance frequency; resonant current sheet sensor;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19930911
Filename
274853
Link To Document