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 7 of 7 for “"Iterative Processing"”.
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Multi-versioned Data Storage and Iterative Processing in a Parallel Array Database Engine
… The first challenge with building an array data processing system is simply how to store arrays on disk. The key question is how to partition arrays into smaller fragments called chunks that form the unit of IO, processing, and data distribution across machines in a cluster. We explore this …
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Optimisation techniques for finding connected components in large graphs using GraphX
… has been well studied. It is an essential pre-processing step to many graph computations, and a fundamental task in graph analytics applications, such as social network analysis, web graph mining and image processing. Recently, it has been a major area of interest within the field of large …
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Advanced signal processing techniques for the analysis of solar radiometer data in the presence of temporally varying aerosol optical depths
… In this dissertation, a number of new signal processing techniques are developed to better characterize aerosol variability and use it to obtain improved intercepts under a broad range of conditions. The techniques include (1) an extension of Forgan's method, using correlation between optical …
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Influência das rotas de processamento na mesotextura e propriedades mecânicas da superliga de níquel 718
… carbides and δ phase. The thermomechanical processing may influence the presence and the volumetric fraction of these phases, crystallography of grain boundaries and their size. The grain boundary movement and consequent grain growth can be a limiting factor for applications where a grain …
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Space-Time Codes for High Data Rate Wireless Communications
… correction code, modulation scheme and array processing. STC are well suited for improving the downlink performance, which is the bottleneck in asymmetric applications such as downstream Internet. Three original contributions to the area of STC are presented in this dissertation. First, the …
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A model for generating object-based change information from multi-temporal remotely-sensed imagery
… development of a conceptual framework for the iterative processing of fine spatial resolution optical images. It consists of two central components, object detection and object comparison.<br/><br/>In the object detection phase, buildings are identified in the image and extracted as objects …
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Integrated Photonic Iterative Processors for Computing
… alternative for accelerating certain signal processing and linear algebra computations due to their in-propagation computation, inherent high parallelism, large bandwidth, low latency, low energy consumption, and low crosstalk. The in-propagation computation feature significantly reduces data …