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A Data Fusion Method Based on Multiple Data Sources

A data fusion, multi-data source technology, applied in the field of data processing, can solve problems such as insufficient data fusion technology

Active Publication Date: 2022-03-04
山东省生态环境规划研究院 +1
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Problems solved by technology

[0004] In view of the problem that the current data fusion technology is not perfect enough, the embodiment of the present invention proposes a data fusion method for multiple data sources in order to achieve the above purpose, including:

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  • A Data Fusion Method Based on Multiple Data Sources
  • A Data Fusion Method Based on Multiple Data Sources
  • A Data Fusion Method Based on Multiple Data Sources

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Embodiment Construction

[0099] A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

[0100] The embodiment of the present invention constructs the 1958-2010 year by 3 hour 5 km × 5 km resolution in the Chinese mainland by integrating observation data from stations in mainland China, CFSR reanalysis data, Princeton atmospheric drive data and GEWEX SRB downlink shortwave radiation data. Atmospheric driving data set (called atmospheric driving field of the BNU China land surface model), including seven elements of near-surface air temperature, relative humidity, wind speed, air pressure, precipitation, downlink shortwave radiation and downlink longwave radiation, and the BNU China area land surface model atmospheric drive field. The results of the surface model atmospheric driving field are evaluated. The embodiment of the present invention exemplarily adopts a cross-validation evaluation method to verify the 6-hour data on the 3rd of each...

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Abstract

The embodiment of the present invention proposes a multi-data source data fusion method, including: a basic data processing step for processing station meteorological data, CFSR meteorological data, Princeton atmospheric drive data, and remote sensing data to obtain the processed basis Data; the step of establishing a data set, which is used to establish a near-surface air temperature field, a near-surface relative humidity field, a near-surface wind field, a near-surface pressure field, a precipitation field, and a radiation field based on the processed basic data.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a multi-data source data fusion method, which can typically be used for the fusion of meteorological data. Background technique [0002] With the development of society, more and more fields are beginning to use data analysis and data processing technology. In many fields that use massive data, it is necessary to fuse data obtained from multiple data sources, and then perform subsequent analysis and processing. Meteorological data is a very typical massive data set. Meteorological data must integrate massive data from multiple data sources, so the data must be fused first so that these data can be used uniformly. For example, the meteorological data used in my country usually include: station observation data in mainland China, CFSR reanalysis data, Princeton atmospheric driving data, and GEWEXSRB downlink shortwave radiation data. [0003] Massive data needs to be fuse...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
CPCG06F18/23G06F18/25G06F18/24
Inventor 谢刚彭岩波韩子叻宋杰邓杰王国强王溥泽
Owner 山东省生态环境规划研究院
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