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Full-Text Articles in Physical Sciences and Mathematics
An Adaptive Approach To Gibbs’ Phenomenon, Jannatul Ferdous Chhoa
An Adaptive Approach To Gibbs’ Phenomenon, Jannatul Ferdous Chhoa
Master's Theses
Gibbs’ Phenomenon, an unusual behavior of functions with sharp jumps, is encountered while applying the Fourier Transform on them. The resulting reconstructions have high frequency oscillations near the jumps making the reconstructions far from being accurate. To get rid of the unwanted oscillations, we used the Lanczos sigma factor to adjust the Fourier series and we came across three cases. Out of the three, two of them failed to give us the right reconstructions because either it was removing the oscillations partially but not entirely or it was completely removing them but smoothing out the jumps a little too much. …
Investigation On The Morphology Of Charge-Transfer Complexes In Low Density Polyethylene, Wade Korf
Investigation On The Morphology Of Charge-Transfer Complexes In Low Density Polyethylene, Wade Korf
Master's Theses
Fillers are used ubiquitously throughout the fields of polymer and material science to overcome many inherent limitations to polymeric materials (i.e. poor stiffness or strength) and to expand their potential applications. There is a need to develop controllable particle architectures to better understand fundamental structure-property relationships in particle reinforced polymer composites. Charge-transfer complexes (CTCs) can assemble in situ into various needle and dendritic shapes via simple fabrication processes and at low loading levels. In this study, the effect of tetrathiafulvalene (TTF) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) CTC crystallites of various shapes and sizes on composite mechanical properties was investigated in an LDPE …