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Method and device for cleaning up consistency of electromagnetic environment parameters based on pattern search

An electromagnetic environment and pattern search technology, applied in electrical digital data processing, special data processing applications, digital data information retrieval, etc., can solve the problems of data deletion, data culling, data retention, etc. The effect of mistakenly deleting data

Active Publication Date: 2020-11-17
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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Problems solved by technology

[0003] In the prior art, the electromagnetic environment measurement equipment is used to measure the relevant parameters of the electromagnetic environment, such as the noise caused by the wire. However, due to the huge amount of measured data and the measurement will be affected by various external factors, some measurement The data is inaccurate. In the existing technology, the inaccurate data is usually removed manually, which is laborious and laborious, and the effect of the removal technology is poor, which may cause the accurate data to be deleted and the inaccurate data to be retained.

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  • Method and device for cleaning up consistency of electromagnetic environment parameters based on pattern search
  • Method and device for cleaning up consistency of electromagnetic environment parameters based on pattern search
  • Method and device for cleaning up consistency of electromagnetic environment parameters based on pattern search

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Embodiment Construction

[0045] The principle of data cleaning of electromagnetic environment parameters should meet the requirements of consistency check (Consistency Check), specifically:

[0046] 1) The upper and lower limits of the data fall within a reasonable range.

[0047] 2) The CPD (parametric cumulative probability distribution) curve of the data should be S-shaped without abrupt changes or flat segments.

[0048] 3) The lateral distribution of EME parameters is related to the characteristics of the parameters and has a certain regularity, and the EME parameters at the same time must conform to this characteristic.

[0049] According to the above principles, the data cleaning of the basic database is carried out using the Pattern Search Method. The so-called pattern search method refers to the three data cleaning principles mentioned above, starting from the first tuple in the basic database, and checking the test value range of EME parameters in the concerned period one by one, and the pa...

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Abstract

The invention provides an electromagnetic environment parameter consistency cleaning method and device based on mode search, and the method comprises the steps: obtaining: extracting a measured electromagnetic environment parameter tuple from a database; In the searching step, data in the electromagnetic environment parameter tuples are searched according to the determined searching mode, and theelectromagnetic environment parameter tuples which do not meet the preset standard are retrieved; And a deleting step: deleting the electromagnetic environment parameter tuples which do not accord with the predetermined standard from the database. According to the consistency cleaning method for the electromagnetic environment parameters, the numerical values which do not meet the standard are determined on the basis of the numerical value range and the search mode in combination with the parameter cumulative probability distribution, the data which do not meet the standard are deleted, the search mode can be adjusted, the data are prevented from being deleted by mistake, and the consistency of the electromagnetic environment parameters is improved.

Description

technical field [0001] The invention relates to the technical field of electromagnetic environment parameter processing, in particular to a method and device for cleaning up the consistency of electromagnetic environment parameters based on pattern search. Background technique [0002] The sum total of electromagnetic phenomena present in a given place is called the electromagnetic environment. The electromagnetic environment is composed of three elements: space, time and frequency spectrum, which can be simply understood as electromagnetic field phenomena. That is, electromagnetic induction and interference phenomena that are ubiquitous in the environment. [0003] In the prior art, the electromagnetic environment measurement equipment is used to measure the relevant parameters of the electromagnetic environment, such as the noise caused by the wire. However, due to the huge amount of measured data and the measurement will be affected by various external factors, some meas...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/215
Inventor 余占清刘磊付殷李敏曾嵘罗兵
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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