scholarly journals AN IN-DEPTH ANALYSIS OF THE BIOMETRIC AUTHENTICATION CLASSIFICATION

Author(s):  
Ram Khanna

Out of the numerous confirmations conspires in this paper, we are attempting to focus on the exhibition and grouping of one of the validation strategies, biometric verification. Even though endeavours of the whole global biometric local area, the estimation of the precision of a biometric framework is far to be totally examined and, ultimately, normalized. The paper presents a basic examination of the analysis of accuracy and execution of a biometric framework.

2010 ◽  
Vol 2 (3-4) ◽  
pp. 245-253 ◽  
Author(s):  
David Girbau ◽  
Antonio Lázaro ◽  
Albert Pérez ◽  
Esther Martínez ◽  
Lluís Pradell ◽  
...  

This paper proposes the design of tunable dual-band resonators for multi-band multi-standard systems. The main objective is to provide frequency tunability in the second resonance while maintaining the first resonance fixed. To this end, two tunable resonators are proposed: the capacitive-loaded stepped-impedance resonator and the capacitive-loaded hole resonator. The work is divided into two main parts. In the first part, an in-depth analysis of the capacitive-loaded stepped-impedance resonator (SIR) structure is done; it provides analytical closed-form design equations that ease the resonator design in contrast to the several approaches available in the literature to date. The analysis is also particularized to the case of the capacitive-loaded constant-section resonator and extended to the capacitive-loaded hole resonator. In addition, a study of the quality factor in capacitively tuned SIRs is also provided. In the second part, resonators are integrated in three dual-band tunable filters, one based on the capacitive-loaded constant-section resonator, another one on the capacitive-loaded SIR, and finally on the capacitive-loaded hole resonator. Two of these filters demonstrate operation in wireless local-area network frequency bands, with a fixed first band at 2.45 GHz and a second band which can be tuned between 5.75 and 5.25 GHz.


2017 ◽  
Vol 1 (03) ◽  
pp. 267-285
Author(s):  
Beni Adi Santoso, Bachtiar Fauzy

Abstract - Dutch East Indies Empire architecture in Indonesia must be preserved as a result of acculturation between a foreign culture and a local one. The century-old Tawang Railway Station in Semarang has been hit by annual rob floods and has undergone somerenovation, but the latter has made the impact of reducing the architectural values of “Indies” style in its features. This research study may deepen understanding of this type of colonial architecture, exploring its application to this railway station. Furthermore, an in-depth analysis determines how function, form and structure have affected the spatial hierarchy of this railway station. This study is descriptive, analytical and interpretative, employing theories dealing with archetypes, ordering principles and Dutch East Indies Empire architecture. After data collection, the analysis compares these theories with the object of study. The findings indicate that this station has indeed applied the concept of the Dutch colonial style, starting from the context of the local area to the building elements, except for the floor. At present, the latter has already been changed in its entirety, from the initial building stage to its current state, where the specific “Indies” character can no longer be discerned. The zenith of hierarchy can be observed in the main lobby whose function is to receive visitors in its cube-shaped space similar to the Sokoguru (central Javanese pillar) and the cupola not found in any other part of the building. The building mass of the station is symmetrical in keeping with its typical “Indies” character, but the function of the interior space is asymmetrical. This shows the importance of achieving a high degree of spatial efficiency to make the activities run smoothly and effectively. Keywords: Hierarchy, Space, Dutch East Indies Empire Architecture, Semarang’s Tawang Railway Station


Author(s):  
Gejing Li ◽  
D. R. Peacor ◽  
D. S. Coombs ◽  
Y. Kawachi

Recent advances in transmission electron microscopy (TEM) and analytical electron microscopy (AEM) have led to many new insights into the structural and chemical characteristics of very finegrained, optically homogeneous mineral aggregates in sedimentary and very low-grade metamorphic rocks. Chemical compositions obtained by electron microprobe analysis (EMPA) on such materials have been shown by TEM/AEM to result from beam overlap on contaminant phases on a scale below resolution of EMPA, which in turn can lead to errors in interpretation and determination of formation conditions. Here we present an in-depth analysis of the relation between AEM and EMPA data, which leads also to the definition of new mineral phases, and demonstrate the resolution power of AEM relative to EMPA in investigations of very fine-grained mineral aggregates in sedimentary and very low-grade metamorphic rocks.Celadonite, having end-member composition KMgFe3+Si4O10(OH)2, and with minor substitution of Fe2+ for Mg and Al for Fe3+ on octahedral sites, is a fine-grained mica widespread in volcanic rocks and volcaniclastic sediments which have undergone low-temperature alteration in the oceanic crust and in burial metamorphic sequences.


2019 ◽  
Vol 21 (44) ◽  
pp. 24478-24488 ◽  
Author(s):  
Martin Gleditzsch ◽  
Marc Jäger ◽  
Lukáš F. Pašteka ◽  
Armin Shayeghi ◽  
Rolf Schäfer

In depth analysis of doping effects on the geometric and electronic structure of tin clusters via electric beam deflection, numerical trajectory simulations and density functional theory.


2019 ◽  
Vol 24 (4) ◽  
pp. 312-321 ◽  
Author(s):  
Diana Moreira ◽  
Fernando Barbosa

Abstract. Delay discounting (DD) is the process of devaluing results that happen in the future. With this review, we intend to identify specificities in the processes of DD in impulsive behavior. Studies were retrieved from multiple literature databases, through rigorous criteria (we included systematic reviews and empirical studies with adult human subjects), following the procedures of the Cochrane Collaboration initiative. Of the 174 documents obtained, 19 were considered eligible for inclusion and were retained for in-depth analysis. In addition, 13 studies from the manual search were included. Thus, a total of 32 studies were selected for review. The objectives/hypotheses, results, and the main conclusion(s) were extracted from each study. Results show that people with pronounced traits of impulsivity discount rewards more markedly, that is, they prefer immediate rewards, though of less value, or postponed losses, even though they worsen in the future. Taken together, the existing data suggest the importance of inserting DD as a tool for initial assessment in conjunction with measures of addiction and stress level, as well as the consideration of new therapies.


1958 ◽  
Vol 3 (6) ◽  
pp. 145-148
Author(s):  
ROBERT R. HOLT
Keyword(s):  

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