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Wyszukujesz frazę "analysis of methods" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Application of sensitivity analysis to the correction of static characteristics of a phase angle modulator
Autorzy:
Sroka, R.
Powiązania:
https://bibliotekanauki.pl/articles/220462.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
phase modulator
sensitivity analysis
static characteristics
methods of correction
Opis:
The paper presents definitions and relative measures of the system sensitivity and sensitivity of its errors. The model of a real system and model of an ideal measuring system were introduced. It allows to determine the errors of the system. The paper presents also how to use the error sensitivity analysis carried out on the models of the measuring system to the correction of the nonlinearity error of its static characteristic. The corrective function is determined as a relation between the input variable of the tested system and its chosen parameter. The use of the proposed method has been presented on the example of a phase angle modulator. The obtained results have been compared with the results of analytic calculations. The idea of a phase angle modulator is also presented.
Źródło:
Metrology and Measurement Systems; 2011, 18, 2; 249-259
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation of Cast Iron Substitute Thermal Capacity Using the Experimental Data
Autorzy:
Majchrzak, E.
Mendakiewicz, J.
Mochnacki, B.
Powiązania:
https://bibliotekanauki.pl/articles/353685.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
modeling of alloys solidification
numerical methods
sensitivity analysis
inverse problems
Opis:
In the paper the problem of the cast iron substitute thermal capacity estimation is discussed. This parameter appears when the macroscopic mathematical model of alloys solidification bases on the one domain method (fixed domain approach). In the case of cast iron the form of function describing the course of temperature-dependent thermal capacity is quite complex. Using the experimental data, in particular the measured cooling, heating curves at the set of points selected in the casting – mould domain the identification problem has been solved using the gradient methods. The results presented concern the gray iron 3.21% C and 1.9% Si.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 1; 307-314
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zagadnienia metodyczne miejscowego planowania przestrzennego w świetle przepisów prawa
Methodological Aspectsof Local Spatial Planning and Polish Legal Regulations
Autorzy:
Kolipiński, B.
Powiązania:
https://bibliotekanauki.pl/articles/2031511.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
crisis of methods and to ols
Polish planning theory
spatial planning regulations
threshold analysis
urban planning methodology
Warsaw optimization
Opis:
The article postulates that methodological aspects are often overlooked in the discussion of the crisis of urban planning in Poland which manifests itself in unrestrained urbanization. Such a thesis is supported by a retrospective overview of Polish spatial planning theory and law which leads the author to conclude that urban development planning has been in a methodological void since 1990 due to too strong a belief on the part of the reformers in the effectiveness of market and democracy mechanisms. The current legal regulations do not take into account the criteria of methodological rationality; in effect, municipal land use studies (the basis for land use plans) are not verified in terms of real development needs.
Źródło:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN; 2015, 257-258; 11-27
0079-3493
Pojawia się w:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of accuracy of digital map data via multiple comparisons
Autorzy:
Doskocz, A.
Rejchel, W.
Powiązania:
https://bibliotekanauki.pl/articles/200530.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
digital map data
evaluation of positional accuracy
analysis of variance
ANOVA
multiple comparisons
rank-based methods
dane map cyfrowych
ocena dokładności pozycjonowania
analiza wariancji
wielokrotne porównania
Opis:
Digital map data sets (or geo-databases) are an important part of the spatial data infrastructure (SDI) of the European Community. Different methods of producing large-scale map data are described in the paper, and the aim is to compare the accuracy of these methods. Our analysis is based on statistical tools belonging to the multiple comparisons theory. The first method is the well-known analysis of variance (ANOVA), and the second one is the rank-based method. The latter approach, which is rarely used in geodetic research, allows us to determine the order of the considered methods with respect to the positional accuracy of digital map data that they produce. Using this approach, one can identify the least accurate set of map data or a fragment of a map that should be updated by a new direct survey. The rank-based methods can also be rather easily applied to other technical (engineering) disciplines, e.g. geodesy and cartography.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2016, 64, 4; 799-805
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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