نتایج جستجو برای: phase identification
تعداد نتایج: 994632 فیلتر نتایج به سال:
Nonequilibrium topological matter has been a fruitful topic of both theoretical and experimental interest. A great variety exotic phases unavailable in static systems may emerge under nonequilibrium situations, often challenging our physical intuitions. How to locate the borders between different is an important issue facilitate characterization further understand phase transition behaviors. In...
purpose: the aim of this study was to investigate the barriers to information seeking behaviors (in the phases of needs identification, information seeking, designing search strategy formula, and using information) of faculty members of islamic azad university of shiraz based on the expansion of dervin’s sense making theory (kari’s theory). methodology: this is an applied study using the survey...
identification based on faces is still a useful method for many applications and face recognition developing is an active research field. in this paper, a novel face identification method is proposed. the proposed method (bridle path on gabor phase (bpgp)) is based on extracting texture patterns from phases of the gabor wavelet. also, in order to describe the textures, a novel texture descripto...
An optical identification system of a three-dimensional (3D) random phase object by use of speckle patterns in different propagation distances is proposed and evaluated experimentally. The 3D random phase object is used as a 3D key. It can be secure when the scattering is strong enough because the interferometric measurement is not applied. The identification is implemented by evaluating crossc...
Transmission electron microscopy (TEM) is a very powerful technique for materials characterization, providing information relating to morphology, composition, and crystal structure. Selected area diffraction patterns (SADPs) are crystallographic data that can be obtained using a TEM instrument. Conventional identification through SADP/TEM is tricky and tedious, thereby increasing the difficulty...
Writer identification and verification has been studied over the past decade due to the high demand of such implementations in a wide variety of offline handwritten data applications. Among the applications are verification of the identity of a person whom he or she claimed to be and forensic and historic document analysis in identifying the identity of the writer of the documents. This paper p...
metabolomics studies provide useful information about health and disease status. metabolite based investigations on various cancers is a powerful approach to diagnosis, prognosis and therapy of cancer diseases. recently by using advanced analytical techniques such as nmr and ms and its hyphenation methods, global metabolic profiling of diseases has been possible. it is predictable that internat...
in this work, mn ferrite nanopowders were prepared by co-precipitation method and were characterized. phase identification of the nanopowders was performed by x-ray diffraction method and the mean particle size of the nanopowders was calculated by scherrer's formula, using necessary corrections. magnetic parameters of the prepared nanopowders were measured by a vibrating sample magnetomete...
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