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A current injecting...
A current injecting device for electrical impedance tomography
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- Blad, B. (författare)
- Skåne University Hospital
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Lindstrom, K. (författare)
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- Bertenstam, L. (författare)
- Skåne University Hospital
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- Persson, B. R.R. (författare)
- Skåne University Hospital
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- Holmer, N. G. (författare)
- Lund University,Lunds universitet,Medicinsk teknik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Biomedical Engineering, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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(creator_code:org_t)
- 1994
- 1994
- Engelska.
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Ingår i: Physiological Measurement. - 0967-3334. ; 15:2A
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Electrical impedance tomography (EIT) has to be improved in order to become an accepted diagnostic technique in clinical use. The aim of this study is to improve the hardware of this technique and preferably upgrade the current injecting device. Instead of using a constant current generator the idea is to implement a voltage source and measure current accurately, in order to improve the resolution in the image. The performance of such a device is analysed, particularly concerning theoretical and practical limitations. The amplitude and phase accuracy, noise and settling time are measured and presented in diagrams. The results show that improvements are possible to achieve and that such a device will improve the stability of an EIT system and the image quality.
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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