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231224s2016 xx ||||| 00| ||eng c |
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|a (DE-627)NLM261786059
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|a (NLM)27346890
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|a DE-627
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|e rakwb
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|a eng
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|a Meaney, Paul M
|e verfasserin
|4 aut
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|a Open-Ended Coaxial Dielectric Probe Effective Penetration Depth Determination
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Revised 21.03.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We have performed a series of experiments which demonstrate the effect of open-ended coaxial diameter on the depth of penetration. We used a two layer configuration of a liquid and movable cylindrical piece of either Teflon or acrylic. The technique accurately demonstrates the depth in a sample for which a given probe diameter provides a reasonable measure of the bulk dielectric properties for a heterogeneous volume. In addition we have developed a technique for determining the effective depth for a given probe diameter size. Using a set of simulations mimicking four 50 Ω coaxial cable diameters, we demonstrate that the penetration depth in both water and saline has a clear dependence on probe diameter but is remarkably uniform over frequency and with respect to the intervening liquid permittivity. Two different 50 Ω commercial probes were similarly tested and confirm these observations. This result has significant implications to a range of dielectric measurements, most notably in the area of tissue property studies
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|a Journal Article
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|a Dielectric
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|a open-ended coaxial probe
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|a penetration depth
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|a probe diameter
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|a tissue properties
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|a Gregory, Andrew P
|e verfasserin
|4 aut
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1 |
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|a Seppälä, Jan
|e verfasserin
|4 aut
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|a Lahtinen, Tapani
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on microwave theory and techniques
|d 1998
|g 64(2016), 3 vom: 01. März, Seite 915-923
|w (DE-627)NLM098148141
|x 0018-9480
|7 nnns
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| 773 |
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|g volume:64
|g year:2016
|g number:3
|g day:01
|g month:03
|g pages:915-923
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