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This study provided a method to simulate flow field of an irregular arrangement of random packing in an absorber using commercial software, Fluent®. Volume of fluid model was employed in this study to deal with gas and liquid phases contacting issue. Volume of fluid model has validated that it is able to simulate gas and liquid interface. 10 flow fields of small-scale absorbers in which several raschig...
Synthetic Aperture Radar (SAR) imaging can suffer distortion in the presence of phase errors in the acquired signal data caused by the non-ideal platform motion trajectory. Autofocus algorithms are used to remove the undesired phase error through signal processing techniques. Multi-channel convolution model of the SAR autofocus problem is established on the condition that phase error is range-independent...
Partial cloud removal from remote sensing images composed of three sequential steps: accurate cloud and cloud shadow detection of the remote sensing image and corresponding cloud mask generation, phenology simulation for adjacent temporal images, fusion for blending artificial effects of composite image. Phenology simulation predicts what the surface features would look like in fields beneath clouds...
High Efficiency Video Coding (HEVC) is an in-progress next generation video coding standard. It has a similar basic structure to the ITU/MPEG H.264/AVC coder but with further enhancement on each coding tool to increase compression efficiency. Thus, a Residual Quadtree (RQT) coding scheme is adopted in the conventional transform coding procedure. The cost is the additional computation complexity when...
This paper presents a neural network (NN) approach for determining the design combination of product form elements that match a given eco-product value (EPV) and product image. A morphological analysis is used to extract form elements from these sample office chairs. The experimental study identifies 7 office chair design elements and 27 representative office chairs as experimental samples for developing...
Prediction of protein-ligand binding affinities is an important issue in molecular recognition and virtual screening. We have developed a scoring function, namely GemAffinity, to predict binding affinities by analyzing 88 descriptors derived from 891 protein-ligand structures selected from the protein data bank (PDB). Based on these 88 descriptors, we derived GemAffinity using a stepwise regression...
The grid technology enables large-scale sharing and collaboration use of networked resource. Using P2P technology, grid system can have better scalability and dynamic. OGSA (open grid service architecture) provides a framework for integrating P2P technology into grid system. However, grid resource aggregation is a key issue for P2P grid. In this paper, ant-based resource aggregation algorithm is proposed...
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