Results 211 to 220 of about 55,866 (265)

An Ultra-Thin and Wideband Low-Frequency Absorber Based on Periodic Resistance Film. [PDF]

Materials (Basel)
Bao T, Liu P, Zhang T, Wang H, Zhang Y.
europepmc   +1 more source

A Hexa-Band Metamaterial Absorber for S, C, X, and Ku Band Applications. [PDF]

Sensors (Basel)
Sultan MA, Ahmad I, Ahmad A, Kim YJ, Choi DY.   +4 more
europepmc   +1 more source

An Intra-Body Power Transfer System via Localized Capacitive Coupling. [PDF]

IEEE Open J Eng Med Biol
Mohammed N, Lee SI, Jackson RW, Gummeson J.   +3 more
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A broadband Terahertz metamaterial absorber enabled by a water-assisted square-pyramid architecture with optical transmittance. [PDF]

Sci Rep
Zhao Y, Hu P, Zhang X, Li Q, Xie T, Yuan Y, Wu X, Ling F.   +7 more
europepmc   +1 more source

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Electrical Impedance Tomography

SIAM Review, 1999
A mathematical model for electrical impedance tomography is described. This model is used for explaining the Rensselaer system. Some reconstruction algorithms are surveyed, especially the Moser algorithm. Some experimental tests are given.
Margaret Cheney, David Isaacson, Jonathan C. Newell   +2 more
openaire   +1 more source

Electrical Impedance Tomography

Current Opinion in Critical Care, 2009
Electrical impedance tomography (EIT) is a noninvasive, radiation-free monitoring tool that allows real-time imaging of ventilation. The purpose of this article is to discuss the fundamentals of EIT and to review the use of EIT in critical care patients.In addition to its established role in describing the distribution of alveolar ventilation, EIT has ...
Eduardo L V, Costa, Raul Gonzalez, Lima, Marcelo B P, Amato   +2 more
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Electrical impedance tomography

IEEE Signal Processing Magazine, 2001
Electrical impedance tomography (EIT) is an imaging modality that estimates the electrical properties at the interior of an object from measurements made on its surface. Typically, currents are injected into the object through electrodes placed on its surface, and the resulting electrode voltages are measured.
Gary J. Saulnier, Russell S. Blue, Jonathan C. Newell, David Isaacson, Peter M. Edic   +4 more
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Electrical impedance endotomography

Physics in Medicine and Biology, 2002
In electrical impedance endotomography (EIE), the impedance measuring electrodes are placed at the centre of the region of interest instead of encircling it, as in usual electrical impedance tomography. EIE has been developed for prostate imaging. The developed mathematical model enables the derivation of analytical equations for electric potential ...
Jacques, Jossinet, Emmanuel, Marry, Adrien, Matias   +2 more
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Imaging the complex impedance in electrical impedance tomography

Clinical Physics and Physiological Measurement, 1992
Measuring the reactive component of the bio-impedance enables a full characterisation of the frequency response of a tissue. The amplitude of the reactive component is relatively small in the frequency range generally used in electrical impedance tomography (EIT). Its measurement is therefore more sensitive to errors.
J, Jossinet, C, Trillaud
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