Results 231 to 240 of about 13,367,485 (282)

Safety of 3 Tesla Magnetic Resonance Imaging in Active Peripheral Nerve Field Stimulation Device for Facial Pain.

Stereotact Funct Neurosurg
Chow CT, Sarica C, Yang B, Santyr B, Ludovichetti R, Pourhossein K, Kashyap S, Colditz M, Loh A, Germann J, Naheed A, Vetkas A, Uludağ K, Iorio-Morin C, Paff M, Graham SJ, Boutet A, Lozano AM, Hodaie M.   +18 more
europepmc   +1 more source

Specific Absorption Rate (SAR) Numerical Evaluation: A Critical Discussion

IEEE MTT-S International Microwave Symposium Digest IEEE MTT-S International Microwave Symposium, 2007
The numerical evaluation of the specific absorption rate (SAR) is a critical task when evaluating human exposure to electromagnetic (EM) fields. Nevertheless, SAR calculation is strongly influenced by many factors as, for instance, the shape of the volume containing the reference mass, the space discretization step or the treatment of internal air ...
Luca Catarinucci, Luciano Tarricone
exaly   +4 more sources

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Specific Absorption Rate (SAR) Evaluation of Textile Antennas

IEEE Antennas and Propagation Magazine, 2015
i»?This paper presents a detailed and systematic investigation of the reproducibility of specific absorption rate (SAR) measurements using textile antennas and their simulation accuracy. The ability to accurately predict the SAR is very important for practical textile antenna designers since certified SAR measurements are costly.
Dominique M M Schreurs, Ping Jack Soh, Marta Martínez-Vázquez   +2 more
exaly   +2 more sources

Specific Absorption Rate (SAR) Evaluation of Biomedical Telemetry Textile Antennas

2013 IEEE MTT-S International Microwave Symposium Digest (MTT), 2013
This investigation aims at determining the Specific Absorption Rates (SARs) of textile antennas for on-body biomedical telemetry applications. The dual-band antennas are designed to operate at 2.4 GHz and 5.2 GHz with unidirectional radiations and broad bandwidths. Fractal Planar Inverted-F Antennas (F-PIFAs) are fabricated using different materials to
Ping Jack Soh, G A E Vandenbosch, F H Wee   +2 more
exaly   +2 more sources

Specific Absorption Rate Reduced (SAR) Mobile Phone Antenna Designs

2015 Fifth International Conference on Advances in Computing and Communications (ICACC), 2015
In this work, we have presented a study of various antennas used in mobile phones in terms of their Specific Absorption Rates (SARs). Conventional antennas such as a half wavelength dipole antenna (0.835 GHz), rectangular patch antenna (0.8 GHz) and Planar Inverted F Antenna (PIFA) (0.8 GHz) are designed and simulated.
Anu Tharakan, J. Deepthi, Divya A. Sebastian, J. Gopika, D. D. Krishna   +4 more
exaly   +2 more sources

Wireless Electromagnetic Radiation Assessment Based on the Specific Absorption Rate (SAR): A Review Case Study [PDF]

Electronics, 2022
Employing electromagnetic fields (EMFs) in new wireless communication and sensing technologies has substantially increased the level of human exposure to EMF waves.
Naser Ojaroudi Parchin, Chan Hwang See, Jonathan Rodriguez   +2 more
exaly   +2 more sources

Calibration of specific absorption rate (SAR) probes in waveguide at 900 MHz

IEEE Transactions on Instrumentation and Measurement, 1998
The radiation safety tests for hand-held mobile phones require precise calibration of the small electric field probes used for the measurement of specific absorption rate (SAR) in phantoms simulating the human body. In this study, a calibration system based on a rectangular waveguide was developed for SAR calibrations at 900 MHz.
Kari Jokela, Petri Hyysalo, Lauri Puranen   +2 more
openaire   +1 more source

Specific absorption rate (SAR) in the head of Google glasses and Bluetooth user's

2014 IEEE Latin-America Conference on Communications (LATINCOM), 2014
Two popular wireless communication devices are considered in this paper. Firstly, the Bluetooth which is one of the most popular mobile accessories and the Google glasses which are a representation of the new futuristic vision. It is well known that the absorption of electromagnetic waves on the human head for a certain period of time may lead to ...
Y. A. A. Pizarro, Álvaro Augusto Almeida de Salles, S. Severo, Johan L. T. Garzon, S. M. R. Bueno   +4 more
openaire   +1 more source

Rigorous Evaluation of Specific Absorption Rate (SAR) Induced in a Multilayer Biological Structure

The European Conference on Wireless Technology, 2005., 2005
This paper compares the specific absorption rate (SAR) values induced in human tissues once obtained when using the equivalent liquid dielectric properties of the equivalent liquid filling the phantom used in SAR measurements and from a model that proposes realistic continuation of tissues in the human body.
A. Pradier, D. Lautru, M.F. Wong, F.V. Hanna, J. Wiart   +4 more
openaire   +1 more source