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Wyszukujesz frazę "Guzik, T." wg kryterium: Autor


Wyświetlanie 1-7 z 7
Tytuł:
Algorithms for digital γ-ray spectroscopy
Autorzy:
Guzik, Z.
Krakowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/147770.pdf
Data publikacji:
2013
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
data acquisition
digital spectrometry
digital signal processing (DSP)
gamma spectroscopy
Z-transform
Opis:
The data processing in modern nuclear spectroscopy is dominated by digital methods. In this paper we present a full set of algorithms necessary for energy reconstruction, baseline restoration, trigger generation and selection of events (acceptation) which are based on digital signal processing (DSP) techniques. All algorithms were fully evaluated using mathematical apparatus of Z-transform. The energy reconstruction algorithm is based on trapezoidal shaping. The baseline restoration makes the use of a digital moving average, while trigger generation algorithm utilize a digital form of RC-CR2 filter with protection windowing. The evaluated algorithms has been implemented and used in the demonstrator build for national borders protection.
Źródło:
Nukleonika; 2013, 58, 2; 333-338
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assets and threats to molinia meadows (molinion caeruleae alliance) on chosen natura 2000 areas in the eastern part of the Silesian Upland
Walory i zagrożenia zmiennowilgotnych łąk trzęślicowych (związek molinion caeruleae) na terenach wybranych obszarów natura 2000 wschodniej części Wyżyny Śląskiej
Autorzy:
Nowak, T.
Wegrzynek, B.
Tokarska-Guzik, B.
Powiązania:
https://bibliotekanauki.pl/articles/46492.pdf
Data publikacji:
2015
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Źródło:
Acta Scientiarum Polonorum. Agricultura; 2015, 14, 4
1644-0625
Pojawia się w:
Acta Scientiarum Polonorum. Agricultura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The structure and mechanical properties of pearlitic-ferritic vermicular cast iron
Autorzy:
Guzik, E.
Kopyciński, D.
Kleingartner, T.
Sokolnicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/382402.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
żeliwo wermikularne
osnowa pearlityczno ferrytyczna
drut proszkowy
właściwości mechaniczne
vermicular cast iron
pearlitic feritic matrix
Tundish + Cored Wire method
Opis:
The results of studies on the use of magnesium alloy in modern Tundish + Cored Wire injection method for production of vermicular graphite cast irons were described. The injection of Mg Cored Wire length is a treatment method which can be used to process iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire for the production of vermicular graphite cast irons at the; Tundish + Cored Wire to be injected methods (PE) for pearlitic-ferritic matrix GJV with about 25 % ferrite content. The results of calculations and experiments have indicated the length of the Cored Wire to be injected basing on the initial sulfur content and weight of the treated melt. The paper presents a microstructure matrix and vermicular graphite in standard sample and different walled castings. The results of numerous trials have shown that the magnesium Tundish + PE Method process can produce high quality vermicular graphite irons under the specific industrial conditions of the above mentioned foundries.
Źródło:
Archives of Foundry Engineering; 2012, 12, 1; 33-36
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Asymmetric detrended fluctuation analysis reveals asymmetry in the rr intervals time series
Autorzy:
Mieszkowski, D.
Kośmider, M.
Krauze, T.
Guzik, P.
Piskorski, J.
Powiązania:
https://bibliotekanauki.pl/articles/122480.pdf
Data publikacji:
2016
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
scaling exponents
random walk
detrended fluctuation analysis
deheart rate variability
heart rate asymmetry
wykładniki skalowania
błądzenie losowe
analiza fluktuacji
zmienność rytmu serca
asymetria rytmu serca
Opis:
In this paper we apply the Asymmetric Detrended Fluctuation Analysis to the RR intervals time series. The mathematical background of the ADFA method is discussed in the context of heart rate variability and heart rate asymmetry. We calculate the α- and α+ ADFA scaling exponents for 100 RR intervals time series recorded in a group of healthy volunteers (20-40 years of age) with the use of the local ADFA. It is found that on average α+ < α-, and that locally α- dominates most of the time over α+ - both results are highly statistically significant.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2016, 15, 1; 99-106
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Critical Behaviour of the Mean-Field Ferromagnet $Cu_{1.02}[Cr_{1.77}Ti_{0.24}]Se_4$
Autorzy:
Krok-Kowalski, J.
Władarz, G.
Rduch, P.
Malicka, E.
Groń, T.
Guzik, A.
Powiązania:
https://bibliotekanauki.pl/articles/1409626.pdf
Data publikacji:
2012-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.40.Cx
75.50.Dd
64.60.Ht
Opis:
Magnetization, M, and susceptibility, χ, measurements showed both strong lowering of magnetic moment in comparison with $CuCr_2Se_4$ matrix and zero-field-cooling-field-cooling susceptibility splitting characteristic for the spin-glass behaviour. Isothermal magnetization curves, M(H), easy saturate and large values both of the Curie $T_{C}$=253 K and Curie-Weiss θ=283.5 K temperatures indicate the ferromagnetic order which coexists with the spin-glass state. The critical behaviour investigated around the paramagnetic-ferromagnetic phase transition revealed that the values of critical exponents are close to those predicted by the mean field model for long-range magnetic interactions.
Źródło:
Acta Physica Polonica A; 2012, 122, 6; 1102-1104
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of invasive Fallopia taxa on resident plant species in two river valleys (southern Poland)
Autorzy:
Chmura, D.
Tokarska-Guzik, B.
Nowak, T.
Wozniak, G.
Bzdega, K.
Koszela, K.
Gancarek, M.
Powiązania:
https://bibliotekanauki.pl/articles/58507.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
invasive species
biological invasion
Fallopia
plant species
river valley
vegetation
phenology
Polska
Opis:
Riparian zones in two rivers in southern Poland were studied in terms of species composition and soil parameters in patches dominated by three knotweed taxa (Fallopia japonica, F. sachalinensis and the hybrid F. ×bohemica). The main purpose was to detect any differences in species diversity, environmental conditions and in the impact of the three Fallopia spp. on resident species. Fieldwork was conducted in spring and summer in 30 invaded plots (in total 90 subplots). It was demonstrated that vegetation dominated by particular knotweed taxa differed in response to soil pH and ammonium, nitrate, and magnesium content. Fallopia spp. (living plants and necromass) had a stronger negative impact on the cover and species diversity of the resident species in summer in comparison with spring. Vegetation patches differed significantly in species composition in relation to the knotweed taxa present. These differences may be the consequence of the differentiated biotopic requirements of Fallopia taxa and the coexisting plants, or to the different impact of the knotweed taxa on the resident species.
Źródło:
Acta Societatis Botanicorum Poloniae; 2015, 84, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Simple Approach to Data Analysis for the Detection of Hazardous Materials by Means of Neutron Activation Analysis
Autorzy:
Kaźmierczak, Ł.
Borsuk, S.
Gierlik, M.
Guzik, Z.
Iwanowska-Hanke, J.
Korolczuk, S.
Kozłowski, T.
Krakowski, T.
Marcinkowski, R.
Swiderski, L.
Szeptycka, M.
Szewiński, J.
Urban, A.
Powiązania:
https://bibliotekanauki.pl/articles/1402637.pdf
Data publikacji:
2015-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
29.85.Fj
Opis:
Neutron activation analysis is a well-known method for determining isotopic composition of different materials. Due to the non-destructive nature of the method it can also be used in homeland security application, for example an inspection of packages of unknown origin. For this purpose hazardous material detection system (SWAN) was built. The device has an automatic decision algorithm that analyze the spectrum of gamma rays of $\text{}^{12}C,$ $\text{}^{14}N$ and $\text{}^{16}O$. Characteristic ratio of these lines gives the requested answer. Using such a simple approach SWAN is able to obtain promising results.
Źródło:
Acta Physica Polonica A; 2015, 127, 5; 1540-1542
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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