2017
DOI: 10.1097/hp.0000000000000667
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The Weighted Peak Method in the Time Domain Compared With Alternative Methods for Assessing LF Electric and Magnetic Fields

Abstract: Directive 2013/35/EU of the European Parliament and Council recommends the weighted peak method for assessing non-thermal effects of low frequency (LF) electric and magnetic fields. This article shows that this method is very practical and user friendly and is absolutely reliable to lead to correct results when applied in the time domain. The method can be used without limitations for any field profile and emulates the underlying physical and biological effects significantly better than all other presently kno… Show more

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Cited by 13 publications
(11 citation statements)
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“…In equation (2) the ' * ' denotes the convolution operation and w TD (t) is the impulse response of the first order filter with frequency response W TD (f ). A detailed description and analysis of the WPM-TD, as well as guidance for its practical implementation, can be found in Keller (2017). One of the beneficial features of the WPM-TD is its suitability for direct implementation in the circuitry of field probes by corresponding first order RC-filters.…”
Section: Introductionmentioning
confidence: 99%
“…In equation (2) the ' * ' denotes the convolution operation and w TD (t) is the impulse response of the first order filter with frequency response W TD (f ). A detailed description and analysis of the WPM-TD, as well as guidance for its practical implementation, can be found in Keller (2017). One of the beneficial features of the WPM-TD is its suitability for direct implementation in the circuitry of field probes by corresponding first order RC-filters.…”
Section: Introductionmentioning
confidence: 99%
“…Each standard and guideline addresses this problem differently proposing solutions that depends on the shape of the waveform (ICNIRP 2003, 2010, Bailey et al 2019. The literature includes several papers using these methods to analyze specific exposure scenarios (Lodato et al 2012, Andreuccetti et al 2013, Fiocchi et al 2015, Canova et al 2016, Paffi et al 2016, Tang et al 2022 and other papers pointing out issues and performances of these methods (De Santis et al 2013, Schmid and Hirtl 2016, Keller 2017, Schmid et al 2019. Most of these methods move the problem from the time domain to the frequency domain by means of the Fourier decomposition of the waveform.…”
Section: Introductionmentioning
confidence: 99%
“…This method is compared with the results obtained with the WPM showing that it violates the underlying principle above which reference levels and basic restrictions are defined and, for these reasons, it should be avoided. Keller (2017) provides a thorough analysis of the WPM addressing many technical details for its implementation both in frequency domain and in time domain. The analysis shows that the WPM is the approach more closely related to the underlying concepts of electrostimulation and the results obtained are very reliable, especially when applied in the time domain.…”
Section: Introductionmentioning
confidence: 99%
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“…H G ποσοτικοποιεί το βαθμό στον οποίο μια κεραία κατευθύνει την ισχύ που ακτινοβολεί σε μια ορισμένη επιθυμητή κατεύθυνση, και συγκεκριμένα αυτήν της κύριας δέσμης της. Η απολαβή G, μιας κεραίας, συνδέεται μαθηματικά με την κατευθυντικότητά της, μέσω της σχέσης: Σε πολλές περιπτώσεις το κέρδος, όπως και η κατευθυντικότητα, της πηγής εκφράζονται σε decibel (db)1 , οπότε η ανωτέρω σχέση διαμορφώνεται ως ακολούθως: Η κεραία, δηλαδή, πρέπει να ανακατευθύνει ισχύ από ανεπιθύμητες κατευθύνσεις προς την επιθυμητή, έτσι ώστε να παραχθεί μια πιο στενή και ελεγχόμενη δέσμη. [open courses.uoa.gr/modules/document/file.php/DI123.pdf] Η λογαριθμική έκφραση της κατευθυντικότητας D(db) συνδέεται με την έκφραση της σε απόλυτα μεγέθη ως εξής (Ιδέ 1.…”
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