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Search Results: 1 - 10 of 463981 matches for " Amit A. Kathade "
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An Automation Tool for Single-node and Multi-node Hadoop Cluster
Vaibhav N. Keskar,Amit A. Kathade,Gopal S. Sarda,Amit D. Joshi
Journal of Artificial Intelligence , 2013,
Abstract: Many organisations are required to deal with large data sets. To handle the large data sets these organisations use hadoop cluster. But they need to set up hadoop cluster with different number of nodes several times. This is very common case for many organisations that have just started with hadoop cluster. Setting up hadoop cluster is not a difficult job but requires large human efforts and time. As the number of nodes increases, human efforts and time required also increase. An automation tool which will automate the hadoop cluster set up procedure will be the possible solution to reduce human efforts and time requirement. This study talks about the tool which will automate the hadoop cluster set up procedure. No tool had proved a single operator to install single-node and multi-node cluster.
Resonant Length Formulations for Dual Band Slot Cut Equilateral Triangular Microstrip Antennas  [PDF]
Amit A. Deshmukh, K. P. Ray
Wireless Engineering and Technology (WET) , 2010, DOI: 10.4236/wet.2010.12009
Abstract: The dual band equilateral triangular microstrip antennas are realized by cutting the slots of either quarter wave or half wave in length, inside the patch. In this design, however these simpler approximations of slot length against the frequency do not give closer results for different slot lengths and there positions inside the patch. In this paper, the modal variations of slot cut patch antennas over wide frequency range are studied. It is observed that the slot does not introduce any mode but reduces the higher order mode resonance frequency of the patch and along with the fundamental mode realizes dual band response. The formulations of the resonant length for the mode introduce by the slots in these antennas are proposed. The resonance frequencies calculated using proposed formulations agree well with the simulated results with an error of less than 5%.
Isolated hepatic tuberculosis
Bangroo A,Malhotra Amit
Journal of Indian Association of Pediatric Surgeons , 2005,
Abstract: Hepatic tuberculosis is usually associated with an active pulmonary or miliary tuberculosis, but rarely localizes as a liver tumor mass. The clinical presentation of isolated liver tuberculosis is so rare and atypical that it challenges the clinical acumen of the treating physician. Diagnostic modalities like ultrasound and computed tomography can miss the diagnosis. Ultimately, the diagnosis is confirmed by demonstrating an acid fast Mycobacterium in aspirated pus or necrotic material.
Pulsating Different Curves of Zero Velocity around Triangular Equilibrium Points in Elliptical Restricted Three-Body Problem
A. Narayan,Amit Shrivastava
Journal of Mathematics , 2013, DOI: 10.1155/2013/936859
Abstract: The oblateness and the photogravitational effects of both the primaries on the location and the stability of the triangular equilibrium points in the elliptical restricted three-body problem have been discussed. The stability of the triangular points under the photogravitational and oblateness effects of both the primaries around the binary systems Achird, Lyeten, Alpha Cen-AB, Kruger 60, and Xi-Bootis, has been studied using simulation techniques by drawing different curves of zero velocity. 1. Introduction The present paper is devoted to the analysis of the photogravitational and the oblateness effects of both primaries on the stability of triangular equilibrium points of the planar elliptical restricted three-body problem. The elliptical restricted three-body problem describes the dynamical system more accurately on account that the realistic assumptions of the motion of the primaries are subjected to move along the elliptical orbit. We have attempted to investigate the stability of triangular equilibrium points under the photogravitational and oblateness effects of both the primaries. The bodies of the elliptical restricted three-body problem are generally considered to be spherical in shape, but in actual situations, we have observed that several heavenly bodies are either oblate spheroid or triaxial rigid bodies. The Earth, Jupiter, and Saturn are examples of the oblate spheroid. The lack of sphericity in heavenly bodies causes large perturbation. In addition to the oblateness of heavenly bodies, the triaxiality, the radiation forces of the bodies, the atmospheric drag, and the solar wind are also causes of perturbation. This motivates studies of stability of triangular equilibrium points under the influence of oblateness and radiation of the primaries in the elliptical restricted three-body problem. The stability of the infinitesimal around the triangular equilibrium points in the elliptical restricted three-body problem described in considerable details is due to [1] and the problem was also studied [2–9]. The stability of motion of infinitesimal around one of the triangular equilibrium points ( ) also depends on and . Nonlinear stability of the triangular equilibrium points of the elliptical restricted three-body problem with or without radiation pressure was studied [10–12]. Furthermore, the nonlinear stability of the infinitesimal in the orbits or the size of the stable region around was studied numerically by [11] and the parametric resonance stability around in the elliptical restricted three-body problem has been studied [10]. The
Effect of Some Fabric and Sewing Conditions on Apparel Seam Characteristics
A. K. Choudhary,Amit Goel
Journal of Textiles , 2013, DOI: 10.1155/2013/157034
Abstract: Many previous studies showed that seam appearance as well as performance depends on the interrelationship of fabrics, threads, and the stitch/seam selection and lastly on the sewing conditions, which include the needle size, needle thread tension, stitch density, and the appropriate operation and maintenance of the sewing machine. Present investigation elucidates the effect of blend composition, sewing thread size, and sewing needle parameters on garment seam characteristics (i.e., seam strength, seam strength efficiency, seam puckering, seam stiffness, and drape coefficient). The seam quality characterization is studied through the L9 orthogonal design methodology. In good quality apparels, compatibility of the seams with the functional requirement is very important for serviceability and life of the apparel. Reversibility as well as repairing of seams in the apparel is very limited in the condition of seam failure. Seam strength efficiency is higher for the uniform fiber matrix in the structure of fabrics. The polyester dominated suiting fabrics give minimum seam stiffness because polyester component has low flexural rigidity. The cotton dominated suiting fabrics have less seam puckering due to increase in fabric stiffness. 1. Introduction The fabric quality influences not only the quality of the garment but also the ease with which a shell structure can be produced out with flat fabric. The specifications of fabrics for apparel manufacturing can be considered in terms of primary and secondary quality characteristics. The primary quality characteristics are static physical dimensions and secondary characteristics are the reactions of the fabric to an applied dynamic force. The apparel manufacturer is primarily interested in the secondary characteristics of the fabric and focus on the seam quality during the fabrication and production of apparel [1, 2]. On the other hand, apparel consumers are mainly paying attention to appearance, comfort, and wearability of fabric and evaluate seamquality based on the seam appearance and its mechanical intactness after wear and care procedures of apparel. The production of garments from high quality fabrics not only gives comfort to the wearer but also helps in the smooth working of manufacturing processes and leads to almost defect-free garments. Further, the primary function of a seam is to provide uniform stress transfer from one piece of fabric to another, thus preserving the overall integrity of the fabric assembly. For proper appearance, seam should not contain any defects including skipped stitches, unbalanced
The non-death role of metacaspase proteases
Amit Shrestha,Lynn A. Megeney
Frontiers in Oncology , 2012, DOI: 10.3389/fonc.2012.00078
Abstract: The activation of caspase proteases and the targeting of protein substrates act as key steps in the engagement and conduct of apoptosis/programmed cell death. However, the discovery of caspase involvement in diverse non-apoptotic cellular functions strongly suggests that these proteins may have evolved from a core behavior unrelated to the induction of cell death. The presence of similar proteases, termed metacaspases, in single cell organisms supports the contention that such proteins may have co-evolved or derived from a critical non-death function. Indeed, the benefit(s) for single cell life forms to retain proteins solely dedicated to self destruction would be countered by a strong selection pressure to curb or eliminate such processes. Examination of metacaspase biology provides evidence that these ancient protease forerunners of the caspase family also retain versatility in function, i.e., death and non-death cell functions. Here, we provide a critical review that highlights the non-death roles of metacaspases that have been described thus far, and the impact that these observations have for our understanding of the evolution and cellular utility of this protease family.
Sudden quenching in the Kitaev honeycomb model: Study of defect and heat generation
Aavishkar A. Patel,Amit Dutta
Physics , 2012, DOI: 10.1103/PhysRevB.86.174306
Abstract: We study the behavior of the defect and heat densities under sudden quenching near the quantum critical points in the two-dimensional Kitaev honeycomb model both in the thermodynamic and non-thermodynamic limits. We consider quenches starting from a quantum critical point into the gapped as well as the gapless phases. We choose points on the lines of anisotropic quantum critical points as well as different points of intersection of these lines as the initial points from where the quenching starts. We find that the defect and heat densities display the expected power-law scalings along with logarithmic corrections to scaling (or cusp singularities) in certain cases. In the vicinity of some of the intersection points the scaling behaviors change, indicating an effective dimensional reduction; the scaling behavior near these points depends on the number of critical lines crossed in the process of quenching. All the analytical predictions are also verified by numerical integration.
Categorification of Dijkgraaf-Witten Theory
Amit Sharma,Alexander A. Voronov
Mathematics , 2015,
Abstract: The goal of the paper is to categorify Dijkgraaf-Witten theory, aiming at providing foundation for a direct construction of Dijkgraaf-Witten theory as an Extended Topological Quantum Field Theory. The main tool is cohomology with coefficients in a Picard groupoid, namely the Picard groupoid of hermitian lines.
On the Design of Slot Cut Circularly Polarized Circular Microstrip Antennas  [PDF]
Amit A. Deshmukh, Saleha A. Shaikh, Ami A. Desai, Kshitij A. Lele, Sudesh Agrawal
Wireless Engineering and Technology (WET) , 2016, DOI: 10.4236/wet.2016.71005
Abstract: Circularly polarized microstrip antenna is frequently realized by cutting the slot inside the patch and feeding it along the diagonal axis. In the reported literature, procedure to design them at any given frequency is not available. In proposed work, circularly polarized slot cut circular microstrip antenna at 900 MHz is discussed. By studying the surface current distributions at two orthogonal modes, formulations in their resonant length are proposed. The frequencies calculated using them closely agree with simulated results. Using proposed formulation, procedure to design circular polarized antennas at different frequencies is presented that gives circular polarized response. Thus, proposed work will be helpful to design similar circular polarized circular microstrip antenna at any desired frequency.
Non-Fragile Controller Design for 2-D Discrete Uncertain Systems Described by the Roesser Model  [PDF]
Amit Dhawan
Journal of Signal and Information Processing (JSIP) , 2012, DOI: 10.4236/jsip.2012.32033
Abstract: This paper is concerned with the design problem of non-fragile controller for a class of two-dimensional (2-D) discrete uncertain systems described by the Roesser model. The parametric uncertainties are assumed to be norm-bounded. The aim of this paper is to design a memoryless non-fragile state feedback control law such that the closed-loop system is asymptotically stable for all admissible parameter uncertainties and controller gain variations. A new linear matrix inequality (LMI) based sufficient condition for the existence of such controllers is established. Finally, a numerical example is provided to illustrate the applicability of the proposed method.
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