Wszystkie pola: Type B standard uncertainty - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The measuring instrument accuracy class as a measure of the Type B uncertainty
Autorzy:: Tokarska, M.
Gniotek, K.
Powiązania:: https://bibliotekanauki.pl/articles/114172.pdf
Data publikacji:: 2015
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: metrological quality of instrument
accuracy class
Type B standard uncertainty
Opis:: The evaluation of Type B uncertainty is done by means of scientific analysis based on all available information about possible variability of the quantity measured. In order to facilitate the obtaining of information helpful in the evaluation of Type B uncertainty, a new instrument metrological quality assessment method has been developed, which relies exclusively on the random model. The assessment result, in the form of an instrument accuracy class, can be used for estimation of the Type B uncertainty as presented in the accompanying examples.
Źródło:: Measurement Automation Monitoring; 2015, 61, 2; 28-31
2450-2855
Pojawia się w:: Measurement Automation Monitoring
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Skocz do pozycji: 2.

Tytuł:: Type A Standard Uncertainty of Long-Term Noise Indicators
Autorzy:: Batko, W. M.
Stępień, B.
Powiązania:: https://bibliotekanauki.pl/articles/176923.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: long-term noise indicator
uncertainty
non-classical statistics
kernel density estimation
bootstrap
Bayesian inference
Opis:: The problem of estimation of the long-term environmental noise hazard indicators and their uncer- tainty is presented in the present paper. The type A standard uncertainty is defined by the standard deviation of the mean. The rules given in the ISO/IEC Guide 98 are used in the calculations. It is usually determined by means of the classic variance estimators, under the following assumptions: the normality of measurements results, adequate sample size, lack of correlation between elements of the sample and observation equivalence. However, such assumptions in relation to the acoustic measurements are rather questionable. This is the reason why the authors indicated the necessity of implementation of non-classical statistical solutions. An estimation idea of seeking density function of long-term noise indicators distri- bution by the kernel density estimation, bootstrap method and Bayesian inference have been formulated. These methods do not generate limitations for form and properties of analyzed statistics. The theoretical basis of the proposed methods is presented in this paper as well as an example of calculation process of expected value and variance of long-term noise indicators L_DEN and L_N. The illustration of indicated solutions and their usefulness analysis were constant due to monitoring results of traffic noise recorded in Cracow, Poland.
Źródło:: Archives of Acoustics; 2014, 39, 1; 25-36
0137-5075
Pojawia się w:: Archives of Acoustics
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Informacja

Wyszukujesz frazę "Type B standard uncertainty" wg kryterium: Wszystkie pola

Źródło danych

Dostawca treści

Kolekcja

Rok wydania

Wydawca

Temat

Autor

Typ dokumentu

Język