Electric Field Reconstruction of Antenna inside Phantom for Non-invasive SAR Measurement
2020 International Symposium on Antennas and Propagation (ISAP), 2021•ieeexplore.ieee.org
This paper studies electric field reconstruction for antenna inside phantom. The application
is aimed for non-invasive SAR measurement of in-body antenna. The method relates
electromagnetic currents on the surface enclosing the test subject (antenna and phantom
combination) to the scattered external field received by probe. From the surface currents, we
were able to reconstruct the internal electric field of phantom with known permittivity, ε r= 45.
It is shown that we can obtain good result in lossless sphere case.
is aimed for non-invasive SAR measurement of in-body antenna. The method relates
electromagnetic currents on the surface enclosing the test subject (antenna and phantom
combination) to the scattered external field received by probe. From the surface currents, we
were able to reconstruct the internal electric field of phantom with known permittivity, ε r= 45.
It is shown that we can obtain good result in lossless sphere case.
This paper studies electric field reconstruction for antenna inside phantom. The application is aimed for non-invasive SAR measurement of in-body antenna. The method relates electromagnetic currents on the surface enclosing the test subject (antenna and phantom combination) to the scattered external field received by probe. From the surface currents, we were able to reconstruct the internal electric field of phantom with known permittivity, ε r = 45. It is shown that we can obtain good result in lossless sphere case.
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