NDLI: Wideband in-situ soil permittivity coaxial probe

Content Provider	IEEE Xplore Digital Library
Author	Ming Chen Chi-Chih Chen
Copyright Year	2011
Description	Author affiliation: The ElectroScience Laboratory, Dept. of Electrical and Computer Engineering, The Ohio State University, 1320 Kinnear Road, Columbus, 43212, USA (Ming Chen; Chi-Chih Chen)
Abstract	A novel probe design form measuring complex permittivity of soils in-situ from 10 to 1000 MHz and above without taking soil samples is presented. The dielectric constant and conudctivity of soil is derived from step-frequency reflection taken inside a small (1∼2 inches) freshly bored holes. As a result, permittivity at various depths from surface with in-situ moisture content and soil texture can be obtained in the fields. A novel calibration method was developed to account for the frequency-dependent geometrical factor which causes bias errors in conventional calibration methods. This paper will discuss about the novel probe design and calibration method based on numerical simulation data. We will present the fabricated instrument and measurement examples during the conference.
Starting Page	346
Ending Page	349
File Size	453568
Page Count	4
File Format	PDF
ISBN	9781424495627
ISSN	19471491
e-ISBN	9781424495634
DOI	10.1109/APS.2011.5996714
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Probes Materials Permittivity Permittivity measurement Soil Calibration Soil measurements Vector network analyzer Coaxial probe Dielectric probe
Content Type	Text
Resource Type	Article

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