Integrated pole symmetric mode decomposition method for time-space data analysis

A pole-symmetric modal, integrated technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problem of rough trend function, difficult to determine the number of screening, can not directly use high-dimensional cases, etc., to achieve decomposition Highly flexible effect
CN109933839AActive Publication Date: 2019-06-25QINGDAO TECHNOLOGICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO TECHNOLOGICAL UNIVERSITY
Publication Date
2019-06-25

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Abstract

The invention discloses an integrated pole symmetric mode decomposition method for time-space data analysis and belongs to the technical field of data analysis, and comprises the following steps: carrying out pole symmetric mode decomposition processing on a time sequence of each grid site to obtain a series of time modes; Unifying the number of time modes for all stations; Selecting several modesof interest from a series of time modes, finding out corresponding values of the modes for a certain concerned moment, accumulating the values of the modes, carrying out spatial synthesis according to stations, and drawing a spatial speckle pattern; Changing the attention moment, and repeating the above steps to obtain a series of spatial speckle patterns, namely spatial modalities; Obtaining time-scales of various time scales over the entire observation area Empty evolutionary speckle pattern. The method is not to solve a specific industry problem, but to develop a new data analysis method,provides technical support for scientific research and exploration of a plurality of application subjects, and has the characteristics of very high transverse property and universality.
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Description

technical field

[0001] The invention belongs to the technical field of time-space data analysis, and in particular relates to an integrated pole-symmetric mode decomposition method (hereinafter referred to as the IntESMD method) for time-space data analysis. Background technique

[0002] The earliest modes of scientific research were experimental, then theoretical, and now computer simulations have been added, while the fourth mode that has recently emerged is caused by the explosion of data, and "data-centric" scientific discoveries are beginning to emerge . "Data" is also called observation value, which is the result of experiment, measurement, observation, investigation, etc., and is often given in the form of quantity. "Data analysis" is the process of purposefully collecting and analyzing data to turn it into information. It has become a new research mode to use data to discover phenomena and reveal laws to improve scientists' understanding of problems. It seems that...

Claims

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