Autor: Napieralska, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: New approach to power semiconductor devices modeling
Autorzy:: Napieralski, A.
Napieralska, M.
Powiązania:: https://bibliotekanauki.pl/articles/308039.pdf
Data publikacji:: 2004
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: power device modeling
SPICE
circuit simulation
VDMOS
PIN diode
IGBT
web-based simulation
Opis:: The main problems occurring during high power device modeling are discussed in this paper. Unipolar and bipolar device properties are compared and the problems concerning high time-constant values related to the diffusion phenomena in the large base are explained. Traditional and novel concepts of power device simulation are presented. In order to make accurate and modern semiconductor device models widely accessible, a website has been designed and made available to Internet users, allowing them to perform simulations of electronic circuits containing high power semiconductor devices. In this software, a new distributed model of power diode has been included. Together with the existing VDMOS macromodel library, the presented approach can facilitate the design process of power circuits. In the future, distributed models of IGBT, BJT and thyristor will be added.
Źródło:: Journal of Telecommunications and Information Technology; 2004, 1; 80-89
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Iris Finder - program for reliable iris localisation in images taken under visible light
Autorzy:: Sankowski, W.
Grabowski, K.
Zubert, M.
Napieralska, M.
Powiązania:: https://bibliotekanauki.pl/articles/333153.pdf
Data publikacji:: 2006
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: lokalizacja tęczówki
rozpoznawanie tęczówki
biometria
iris localization
iris recognition
biometry
Opis:: In this paper the Iris Finder program is presented for the first time. It is software for reliable iris localisation in images taken under visible light. The program is intended for researches on a system for automatic persons identification based on iris pattern. Performance of the software was verified on two databases. For the first database the program correctly localises iris for all 141 images. For the second database the iris was incorrectly localised only for 4 images from the entire database containing 1205 units.
Źródło:: Journal of Medical Informatics & Technologies; 2006, 10; 125-132
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Data locality in Hadoop
Autorzy:: Kałużka, J.
Napieralska, M.
Romero, O.
Jovanovic, P.
Powiązania:: https://bibliotekanauki.pl/articles/397706.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: distributed file system
big data
Apache Hadoop
HDFS
rozproszony system plików
Opis:: The Apache Hadoop framework is an answer to the market tendencies regarding the need for storing and processing rapidly growing amounts of data, providing a fault-tolerant distributed storage and data processing. Dealing with large volumes of data, Hadoop, and its storage system HDFS (Hadoop Distributed File System), face challenges to keep the high efficiency with computing in a reasonable time. The typical Hadoop implementation transfers computation to the data. However, in the isolated configuration, namenode (playing the role of a master in the cluster) still favours the closer nodes. Basically it means that before the whole task has run, significant delays can be caused by moving single blocks of data closer to the starting datanode. Currently, a Hadoop user does not have influence how the data is distributed across the cluster. This paper presents an innovative functionality to the Hadoop Distributed File System (HDFS) that enables moving data blocks on request within the cluster. Data can be shifted either by a user running the proper HDFS shell command or programmatically by other modules, like an appropriate scheduler.
Źródło:: International Journal of Microelectronics and Computer Science; 2017, 8, 1; 16-20
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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