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Wyszukujesz frazę "Wegrzyn, M" wg kryterium: Autor


Wyświetlanie 1-7 z 7
Tytuł:
Tracing Fault Effects in FPGA Systems
Autorzy:
Węgrzyn, M.
Sosnowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/227036.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
FPGA testing
application based testing
fault injection
SEU
Opis:
The paper presents the extent of fault effects in FPGA based systems and concentrates on transient faults (induced by single event upsets – SEUs) within the configuration memory of FPGA. An original method of detailed analysis of fault effect propagation is presented. It is targeted at microprocessor based FPGA systems using the developed fault injection technique. The fault injection is performed at HDL description level of the microprocessor using special simulators and developed supplementary programs. The proposed methodology is illustrated for soft PicoBlaze microprocessor running 3 programs. The presented results reveal some problems with fault handling at the software level.
Źródło:
International Journal of Electronics and Telecommunications; 2014, 60, 1; 103-108
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental Comparison of Synthesis Tools Altera Quartus II and Synthagate
Autorzy:
Węgrzyn, M.
Karatkevich, A.
Powiązania:
https://bibliotekanauki.pl/articles/226665.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
logic design
state machines
logic devices
FPGA
VHDL
Opis:
The paper presents comparison between efficiency of an industrial FPGA design software tool Altera Quartus II and similar design software tool Synthagate by Syntezza company of an academic origin. The experiments were performed using a series of examples describing the Mealy finite state machines; onehot state encoding was used in all cases. Area (number of used logical blocks) was the main parameter used for the comparison. Influence of the way of FSM description (in VHDL language) on the quality of synthesis was studied. The obtained results show that Synthagate in almost all cases performs synthesis more efficiently and essentially quicker than Altera Quartus. Section I presents motivation of the research. Section II reminds the notion of FSM. Section III describes problems which had to be solved to provide correctness of experimental comparison. Section IV presents some details about state encoding way used in the experiments. In Section V, the experimental results are presented. Section VI describes the problems related to the comparison which still have to be solved. Section VII presents the conclusions from the experiments. Section VIII suggests possible reasons of the detected situation.
Źródło:
International Journal of Electronics and Telecommunications; 2013, 59, 4; 357-362
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CityGuideTour Toruń – tourist application using augmented reality
Autorzy:
Węgrzyn, M.
Mościcka, A.
Powiązania:
https://bibliotekanauki.pl/articles/145539.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
aplikacja turystyczna
przewodnik turystyczny
kartografia
augmented reality
tourist application
CityGuideTour
Toruń
Opis:
The aim of the article is to show the possibilities of augmented reality in the fi eld of geodesy and cartography. It discusses the concept of augmented reality, its origins and development, as well as areas of the existing applications. The practical functioning of augmented reality in the area of geodesy and cartography is presented on the example of an application developed for the tourist city of Toruń, created with the use of CityGuideTour software. The principles of developing an application and the way it operates are also discussed. As a result, a fully operational bilingual application is available free of charge on the Web.
Źródło:
Geodesy and Cartography; 2017, 66, 2; 317-331
2080-6736
2300-2581
Pojawia się w:
Geodesy and Cartography
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contemporary changes in vegetation of polar regions
Autorzy:
Olech, M.
Wegrzyn, M.
Lisowska, M.
Slaby, A.
Angiel, P.
Powiązania:
https://bibliotekanauki.pl/articles/12010.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
contemporary change
vegetation
polar region
climate change
tundra plant
plant community
plant succession
glacier forefield
Antarctic
Arctic
Spitsbergen
King George Island
global climate change
vegetation change
new plant community
Opis:
Rapid climate changes which have been observed over the recent years in both polar regions of the Earth, directly or indirectly affect vegetation dynamics. This article presents the main directions of the changes taking place in the recent years in tundra communities of both polar regions, based on original research carried out in the Arctic in Spitsbergen and in the maritime Antarctic on King George Island.
Źródło:
Papers on Global Change; 2011, 18
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of hemocompatibility of materials with arterial blood flow by platelet functional tests
Autorzy:
Sanak, M.
Jakieła, B.
Węgrzyn, W.
Powiązania:
https://bibliotekanauki.pl/articles/200067.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hemocompatibility tests
blood shear stress
platelet microparticles
Opis:
Hemocompatibility test of medical materials aims to detect adverse interaction between artificial surface and blood, which can activate or destruct blood components. In arterial flow conditions, due to a high shear stress, platelet is the cell critical for the hemocompatibility compliance. A classical instrumentation for the dynamic test of hemocompatibility involves a flow chamber with a contact surface between blood stream and tested plate. In the current study we investigated a simplified model of the whole blood shear stress, based on a cone and plate rotational viscometer. Several indices of platelet activation were analyzed, including platelet- and granulocyte-platelet aggregates, platelet activation markers and platelet-derived microparticles. This model allowed to estimate platelet destruction, however no adhesion could be measured directly. In following tests of several polymer and metallic layer coated materials, the test revealed comparable performance to more laborious hemocompatibility experiments. We suggest, that thrombogenic potential of platelet-derived microparticles, which can be accurately measured in blood plasma, offers very useful estimate of hemocompatibility. Moreover, this parameter has already been validated in clinics and could be used for monitoring of implanted cardiovascular materials.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2010, 58, 2; 317-322
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Micro-jet Cooling by Compressed Air after MAG Welding
Autorzy:
Węgrzyn, T.
Piwnik, J.
Tarasiuk, W.
Stanik, Z.
Gabrylewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/381574.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
MAG
steel weld
welding
microjets
cooling
acicular ferrite
impact toughness
compressed air
stal stopowa
spawanie
udarność
chłodzenie
Opis:
The material selected for this investigation was low alloy steel weld metal deposit (WMD) after MAG welding with micro-jet cooling. The present investigation was aimed as the following tasks: analyze impact toughness of WMD in terms of micro-jet cooling parameters. Weld metal deposit (WMD) was first time carried out for MAG welding with micro-jet cooling of compressed air and gas mixture of argon and air. Until that moment only argon, helium and nitrogen and its gas mixture were tested for micro-jet cooling.
Źródło:
Archives of Foundry Engineering; 2016, 16, 2; 111-114
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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