In some fields of metrology, such as impulse measurements, the measurement model function, on which the quantification of uncertainty is based, may be highly non-linear. Further, physical constraints determine corresponding constraints on the statistical model, that mandate the use of skewed probability density functions (PDFs). Hence a numerical analysis based on Monte Carlo random sampling is necessary and the standard set of available PDFs (such as the one proposed by the Supplement 1 to the Guide to the expression of Uncertainty in Measurement, the GUMS1) is to be enlarged to include asymmetric and flexible (i.e. adaptable to the problem at hand) PDFs. An application of these concepts to the measurement of the rise-time of an impulse is presented where the use of the 3-parameter lognormal PDF is suggested.
The use of the predictive posterior of the 3-parameter log-normal distribution for the quantification of measurement uncertainty in EMC / Carobbi C.F.M.. - ELETTRONICO. - (2019), pp. 1-3. (Intervento presentato al convegno 2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019 tenutosi a India nel 2019) [10.23919/URSIAP-RASC.2019.8738699].
The use of the predictive posterior of the 3-parameter log-normal distribution for the quantification of measurement uncertainty in EMC
Carobbi C. F. M.
2019
Abstract
In some fields of metrology, such as impulse measurements, the measurement model function, on which the quantification of uncertainty is based, may be highly non-linear. Further, physical constraints determine corresponding constraints on the statistical model, that mandate the use of skewed probability density functions (PDFs). Hence a numerical analysis based on Monte Carlo random sampling is necessary and the standard set of available PDFs (such as the one proposed by the Supplement 1 to the Guide to the expression of Uncertainty in Measurement, the GUMS1) is to be enlarged to include asymmetric and flexible (i.e. adaptable to the problem at hand) PDFs. An application of these concepts to the measurement of the rise-time of an impulse is presented where the use of the 3-parameter lognormal PDF is suggested.File | Dimensione | Formato | |
---|---|---|---|
PID5622527.pdf
Accesso chiuso
Tipologia:
Pdf editoriale (Version of record)
Licenza:
Tutti i diritti riservati
Dimensione
218.22 kB
Formato
Adobe PDF
|
218.22 kB | Adobe PDF | Richiedi una copia |
I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.