نتایج جستجو برای: vaccum fan
تعداد نتایج: 12344 فیلتر نتایج به سال:
Present paper focuses on design and simulation of an inset fed rectangular microstrip patch antenna for GPS applications. The proposed is designed at frequency 1.9 GHz which comes in L-Band region simulated using Electromagnetic Simulator such as HFSS software with three different dielectric substrates comparing their performance characteristics gain, bandwidth, beam width, VSWR return loss. re...
Algorithms have been developed for image reconstruction within a region-of-interest (ROI) from fan-beam data less than that required for reconstructing the entire image. However, these algorithms do not admit truncated data. In this work, we investigate exact ROI-image reconstruction from fan-beam data containing truncations by use of the so-called fan-beam backprojection-filtration (BPF) algor...
We generalise the notion of Gröbner fan to ideals in RJtK[x1, . . . , xn] for certain classes of coefficient rings R and give a constructive proof that the Gröbner fan is a rational polyhedral fan. For this we introduce the notion of initially reduced standard bases and show how these can be computed in finite time. We deduce algorithms for computing the Gröbner fan, implemented in the computer...
An inversion formula was developed by Bukhgeim and Kazantsev for attenuated fan-beam projections [Russian Academy of Science Siberian Branch: The Sobolev Institute of Mathematics (2002)]. The inversion formula was obtained by relating the attenuated fan-beam projections to unattenuated fan-beam projections and by trickily processing the unattenuated fan-beam projections. We show in this paper t...
In this paper, employing the Ky Fan section theorem,we give a class of Ky Fan inequality for set-valued maps,usually it takes Ky Fan inequality ,vector equilibrium problems as its special cases.
We consider a large class of algorithms called “Fan-in algorithms’’ that are useful for problems involving semigroup operations. This paper deals with the design of faulttolerant multiple bus networks (MBNs) suited to run Fan-in algorithms. We present two methodsfor constructing Fanin MBNs with tolerance to bus faults, that have nearly optimal pe$ornaance and processor fan-out. We also present ...
the aim of this study was to investigate the effect of management dimensions of fan relationship on fan lifetime value in iran football premier league. the research method was developmental with regard to the aim and exploratory considering the nature of the study. the data were gathered through interviews, observation, review of the related literature and questionnaires. the statistical popula...
Wheat as a main food source is partly lost in different ways such as planting, harvesting, storage and even in consumption processes. This calls for attention to reducing these losses through application of the results from agricultural research, use of new farming practices, improvements in management system and repair and renewal of farm machinery. The present study considers the design, deve...
Aims & Backgrounds: Alluvial fans are one of the most prominent phenomena in fluvial geomorphology, which are found mostly on the mountain front. These landforms are affected by climate change and tectonic activity and record their effects. Therefore, we can use them to understand climate change and tectonic activities. The aim of this study was to determine the tectonic activity in the northe...
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