نتایج جستجو برای: modern space geodesy data processing and new tools like ps
تعداد نتایج: 17516437 فیلتر نتایج به سال:
one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...
Bio BIO I'm a professional computational scientist. I specialize in simulations of complex multidimensional flows and transport (6 years), simulation of heat transfer (6 years), parallel computations in MPI (6 years), scientific visualization and data processing (6 years), simulations and mesh preparation in OpenFOAM (2 years), development in Wolfram Mathematica (6 years), Python and Fortran 90...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
Artificial neural network (ANN) has application in communication engineering in diverse areas such as channel equalization, channel modeling, error control code because of its capability of nonlinear processing, adaptability, and parallel processing. On the other hand, wavelet transform (WT) with both the time and the frequency resolution provides the exact representation of signal in both doma...
Research in neuroscience makes an extensive use of modern neuroimaging data. The ability to share such data as well as processing tools to analyze them becomes a key factor of success of future research. This paper reports about works carried out in the context of the Neurobase project, a collaborative exploratory action supported by the French Ministry of Research. The partners have studied th...
traditional systems for olefin/paraffin separation, like low-temperature distillation, are expensive and very energy consuming, and therefore, alternative separation methods are desired. facilitated transport membranes are new tools for this separation to be substituted in large scale separation of olefin-paraffin mixtures. to design a membrane process for olefin-paraffin separation, equilibriu...
We review the development and status of GPS geodetic methods for high-precision global time and frequency comparisons. A comprehensive view is taken, including hardware effects in the transmitting satellites and tracking receiver stations, data analysis and interpretation, and comparisons with independent results. Other GPS techniques rely on single-frequency data and/or assume cancellation of ...
investigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
The Xiaolangdi Dam is a key project for the control and development of Yellow River. It bears functions flood control, controlling water sediment in lower reaches, ice prevention, industrial agricultural supply, power generation, so on. Its safety related to people’s life property local economic social development. great significance carry out comprehensive regular deformation monitoring dams s...
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