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Wyszukujesz frazę "Scotti, R." wg kryterium: Wszystkie pola


Wyświetlanie 1-3 z 3
Tytuł:
An efficient synthesis-oriented CAD implementation of Nyquist stability criterion
Autorzy:
Centurelli, F.
Luzzi, R.
Scotti, G.
Tommasino, P.
Trifiletti, A.
Powiązania:
https://bibliotekanauki.pl/articles/378419.pdf
Data publikacji:
2002
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Elektronowej
Opis:
Nyquist stability criterion is largely used to determine the number of Right-Half Plane poles of feedback systems and circuits. However, visual inspection of open-loop gain polar plot is required, and automatic stability check within microwave CAD tools is not possible. In this paper, a procedure to check system and circuit linear stability by means of Nyquist criterion within CAD tools, is presented. The proposed method makes use of integral phase evaluation of a transfer function, and does not require visual inspection of Nyquist plots. The method has been successfully implemented in commercial microwave CAD tools.
Źródło:
Electron Technology : Internet Journal; 2001-2002, 34, 2; 1-5
1897-2381
Pojawia się w:
Electron Technology : Internet Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technical aspects of prosthetically guided maxillofacial surgery of the mandible : A pilot test study
Autorzy:
Ciocca, L.
Mazzoni, S.
Marchetti, C.
Scotti, R.
Powiązania:
https://bibliotekanauki.pl/articles/306279.pdf
Data publikacji:
2014
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
bone plate
CAD
CAM
maxillofacial prosthesis
zespolenie
biomechanika
Opis:
A test of the accuracy in transferring the virtual data into the surgical environment was carried out. Differences between the virtually planned and the actual position during surgery of the rapid prototyped guides and the bone plates were investigated. The accuracy of the method was evaluated in terms of the precision of cuts in the mandible, the final positions of the rami and condyles, and the sectioning precision of the fibula. The guide position presented a mean value dislocation of 0.6 mm in the right side and of 4.1 mm in the left side; the cut line of the mandible presented an angular deviation of 2.9° (right) and of 17.5° (left). The right condyle was positioned 2.5 ± 0.05 mm more medial than native position, and the left condyle 5.2 ± 0.05 mm medial. The total length was 0.3 ± 0.05 mm short of the virtually projected length at the inferior margin of the mandible and 1.9 ± 0.05 mm longer than projected at the superior margin. The Prosthetically Guided Maxillofacial Surgery (PGMS) is a viable way to improve the precision of mandibular reconstruction using a fibula free flap.
Źródło:
Acta of Bioengineering and Biomechanics; 2014, 16, 2; 21-29
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Texture and composition of the Rosa Marina beach sands (Adriatic coast, southern Italy): a sedimentological/ecological approach
Autorzy:
Moretti, M.
Tropeano, M.
van Loon, A. J.
Acquafredda, P.
Baldacconi, R.
Festa, V.
Lisco, S.
Mastronuzzi, G.
Moretti, V.
Scotti, R.
Powiązania:
https://bibliotekanauki.pl/articles/94295.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
source-area reconstruction
grain-size analysis
mineralogical composition
image analysis
coastal erosion
texture
composition
beach sands
Rosa Marina
Adriatic coast
southern Italy
rekonstrukcja obszaru źródłowego
analiza wielkości ziarna
skład mineralogiczny
analiza obrazu
erozja wybrzeża
tekstura
skład
piasek plażowy
wybrzeże Adriatyku
południowe Włochy
Opis:
Beach sands from the Rosa Marina locality (Adriatic coast, southern Italy) were analysed mainly microscopically in order to trace the source areas of their lithoclastic and bioclastic components. The main cropping out sedimentary units were also studied with the objective to identify the potential source areas of lithoclasts. This allowed to establish how the various rock units contribute to the formation of beach sands. The analysis of the bioclastic components allows to estimate the actual role of organisms regarding the supply of this material to the beach. Identification of taxa that are present in the beach sands as shell fragments or other remains was carried out at the genus or family level. Ecological investigation of the same beach and the recognition of sub-environments (mainly distinguished on the basis of the nature of the substrate and of the water depth) was the key topic that allowed to establish the actual source areas of bioclasts in the Rosa Marina beach sands. The sedimentological analysis (including a physical study of the beach and the calculation of some statistical parameters concerning the grain-size curves) shows that the Rosa Marina beach is nowadays subject to erosion.
Źródło:
Geologos; 2016, 22, 2; 87-103
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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