Spatial information space-time big data constraint expression method
A technology of spatial information and expression methods, applied in geographic information databases, structured data retrieval, special data processing applications, etc., can solve problems affecting the accuracy of spatio-temporal big data fusion models, complex spatio-temporal data structures, etc., to facilitate data highlighting, The effect of eliminating correlation errors
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[0031] In order to make the technical means, objectives, and effects of the invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0032] according to figure 1 , 2 , 3, and 4, this embodiment provides a method for expressing spatial information spatiotemporal big data constraints, and the specific steps are as follows:
[0033] Step 1: Data Collection
[0034] Collect measurable and non-measurable data with temporal and spatial relationships from GNSS, space-ground integrated remote sensing RS, three-dimensional geographic information system 3DGIS, Internet of Things, computers and communications to form spatiotemporal big data, including time Data, spatial data, spectral data, human data and social data, among them, GNSS is instantaneous spatio-temporal data, which directly obtains geographic information and has high-precision important indicators. Remote sensing RS data interprets the size, shape and ...
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