Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"planewaves"”.
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Clay minerals and their gallery guests: an ab initio investigation into their interactions.
… of density functional theory studies using planewaves and the pseudopotential approximation, and the available experimental data is not necessarily directly applicable to theoretical data due in part, to the inexactness of the clay mineral composition. Consequently, in the studies presented …
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Sensor Array Processing with Manifold Uncertainty
… field is approximated as a sum of uncorrelated planewaves located at uniform locations in angle, forming a gridded map on which a maximum likelihood estimate for broadband source power is derived. Uniform linear arrays also suffer from spatial aliasing when the inter-element spacing exceeds a …
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Spatial Audio for Bat Biosonar
… since it decomposes a signal into two dominant planewaves. Experiments proved that the estimation system based on HARPEx provides accurate DOA estimates of static or moving sources. It also reconstructed a smooth flight-path of a bat by accurately estimating its direction at each snapshot of …
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Ab initio all-electron full-potential linearized augmented plane-wave method for one-dimensional systems
In recent years we have witnessed an enormous progress in the chemicalsynthesis and the development of technology allowing the fabrication of a rich variety of one-dimensional (1D) structures.They include single walled (SWNT) and multi-walled (MWNT) one-dimensional tubular structures, made of …