EIT measurement system with high phase accuracy for the imaging of spectral induced polarization properties of soils and sediments
This page lists all metadata that was entered for this dataset. Only registered users of the TR32DB may download this file.
Feature
Request download
Citation
Citation Options
Identification
| Title: | Main Title: EIT measurement system with high phase accuracy for the imaging of spectral induced polarization properties of soils and sediments |
| Description: | Abstract: A powerful method for the non-invasive structural characterization of material is electrical impedance tomography (EIT) combined with the capabilities of impedance spectroscopy. This method determines the complex resistivity magnitude and phase images at a set of different measurement frequencies. We are particularly interested in the application of such an advanced approach for the improved characterization of soils and sediments, which only show a weak polarizability. Here, typical phase values lie between 1 and 20 mrad only, requiring instrumentation with relatively high phase resolution and accuracy. In this paper, we present a new spectral EIT data acquisition system for laboratory applications, which operates in the frequency range from 1 mHz to 45 kHz and which was developed to meet these requirements. In this context, we also present a new measurement method based on current injection swapping, which leads to significantly improved phase images, particularly for higher measurement frequencies. The system and the new measurement method are tested on a water-filled tank and column containing different 2D and 3D targets (metallic and biological objects). The tests prove a phase accuracy of 1 mrad for frequencies of up to 1 kHz and higher, resulting in a clear discrimination of the objects on the basis of the reconstructed phase images. |
| Identifier: | 10.1088/0957-0233/19/9/094010 (DOI) |
Responsible Party
| Creators: | Egon Zimmermann (Author), Andreas Kemna (Author), Joachim Berwix (Author), Walter Glaas (Author), Harry Vereecken (Author) |
| Publisher: | IOP Publishing Ltd |
| Publication Year: | 2013 |
Topic
| TR32 Topic: | Soil |
| Related Subproject: | A3 |
| Subjects: | Keywords: EIT, Impedance Spectrometer, Impedance Tomography, SIP, Electrical Soil, Sediment |
File Details
| Filename: | 2008_Zimmermann_MST_b.pdf |
| Data Type: | Text - Article |
| Size: | 9 Pages |
| File Size: | 1.3 MB |
| Date: | Issued: 24.07.2008 |
| Mime Type: | application/pdf |
| Data Format: | |
| Language: | English |
| Status: | Completed |
Constraints
| Download Permission: | Only Project Members |
| General Access and Use Conditions: | For internal use only |
| Access Limitations: | For internal use only |
| Licence: | [TR32DB] Data policy agreement |
Geographic
Specific Information - Publication
| Publication Status: | Published |
| Review Status: | Peer reviewed |
| Publication Type: | Article |
| Article Type: | Journal |
| Source: | Measurement Science and Technology |
| Source Website: | www.iopscience.iop.org |
| Volume: | 19 |
| Number of Pages: | 9 (1 - 9) |
Metadata Details
| Metadata Creator: | Johann Alexander (Sander) Huisman |
| Metadata Created: | 02.12.2013 |
| Metadata Last Updated: | 02.12.2013 |
| Subproject: | A3 |
| Funding Phase: | 1 |
| Metadata Language: | English |
| Metadata Version: | V50 |
Metadata Export
| Metadata Schema: |
Dataset Statistics
| Page Visits: | 1017 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 0 |
Dataset Activity
Feature
DownloadBy downloading this dataset you accept the license terms of [TR32DB] Data policy agreement and TR32DB Data Protection Statement
Adequate reference when this dataset will be discussed or used in any publication or presentation is mandatory. In this case please contact the dataset creator.
Adequate reference when this dataset will be discussed or used in any publication or presentation is mandatory. In this case please contact the dataset creator.
