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Comment on Liu et al. “Discrepancies of Measured SAR between Traditional and Fast Measuring Systems.” Int. J. Environ. Res. Public Health , 2020, 17 , 2111

Author

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  • Mark Douglas

    (Foundation for Research on Information Technologies in Society, 8004 Zurich, Switzerland)

  • Niels Kuster

    (Foundation for Research on Information Technologies in Society, 8004 Zurich, Switzerland
    Swiss Federal Institute of Technology (ETH) Zurich, 8092 Zurich, Switzerland)

Abstract

An article published in the International Journal of Environmental Research and Public Health compares two types of specific absorption rate measurement systems—a fast system using a time-domain array and a traditional system using probe scanning. While the time-domain array system is analyzed in detail under idealized conditions, the probe-scanning system evaluation used a fixed set of scanning and evaluation parameters that are not fully compliant with the requirements of the published standards. This leads to a false comparison and the incorrect conclusion that time-domain array systems can be theoretically more accurate than probe-scanning systems. We have repeated the analysis applied in the paper using the same raw data but with state-of-the art scanning and evaluation parameters. The results confirm the high accuracy of probe-scanning systems for any field distribution. Due to the high precision, robustness, and reliability of probe-scanning systems, the results of these systems are often referred to as reference results.

Suggested Citation

  • Mark Douglas & Niels Kuster, 2020. "Comment on Liu et al. “Discrepancies of Measured SAR between Traditional and Fast Measuring Systems.” Int. J. Environ. Res. Public Health , 2020, 17 , 2111," IJERPH, MDPI, vol. 17(14), pages 1-4, July.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:14:p:5045-:d:384075
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    References listed on IDEAS

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    1. Zicheng Liu & Djamel Allal & Maurice Cox & Joe Wiart, 2020. "Discrepancies of Measured SAR between Traditional and Fast Measuring Systems," IJERPH, MDPI, vol. 17(6), pages 1-13, March.
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    1. Zicheng Liu & Djamel Allal & Maurice Cox & Joe Wiart, 2020. "Reply to “Comment on Liu et al. ‘Discrepancies of Measured SAR between Traditional and Fast Measuring Systems’ Int. J. Environ. Res. Public Health , 2020, 17 , 2111”," IJERPH, MDPI, vol. 17(15), pages 1-4, July.

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