Abstract
Satellite derived irradiance maps with a high temporal and spatial
resolution are a valuable data source for the analysis of large scale
grid intergrated solar energy systems. For an appropriate use of
this huge data base convenient methods for the characterization of
the spatial and temporal structures of the satellite derived irradiance
field are necessary. In this paper we introduce the application of
a multiresolution decomposition for the structure analysis of irradiance
maps. Using this tool the maps are decomposed into local averages
(context) and gradients (detail) on various spatial scales. The information
on the context and the detail mav be directlv interoreted in terms
that are of interest, e.g. for the anlaysis of PV-systems implemented
on a very large-scale.
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