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Power signal filtering method and system by using random projection

A technology of random projection and power signal, applied in the field of electric power, can solve problems such as insufficient attention, and achieve the effect of simple calculation and good robustness

Inactive Publication Date: 2020-09-15
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current commonly used methods have not paid enough attention to this problem, and have not taken effective measures to solve this problem

Method used

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  • Power signal filtering method and system by using random projection
  • Power signal filtering method and system by using random projection
  • Power signal filtering method and system by using random projection

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] figure 1 Schematic diagram of a power signal filtering method using random projection

[0029] figure 1 It is a schematic flowchart of a power signal filtering method using random projection in the...

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Abstract

The embodiment of the invention discloses a power signal filtering method and system by using random projection. The method comprises the following steps: step 101, acquiring a signal sequence S acquired according to a time sequence; 102, solving a geometric random projection matrix Fe; 103, solving a Gaussian random projection matrix Fg; and step 104, solving a signal sequence Snew after the noise is filtered out.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a method and system for filtering power signals. Background technique [0002] With the development of smart grid, the analysis of household electricity load becomes more and more important. Through the analysis of electricity load, household users can obtain the electricity consumption information of each electrical appliance in a timely manner, as well as a detailed list of electricity charges; the power department can obtain more detailed user electricity consumption information, and can improve the accuracy of electricity load forecasting, Provide a basis for overall planning for the power sector. At the same time, using the electricity consumption information of each appliance, the user's electricity consumption behavior can be known, which is of guiding significance for household energy consumption assessment and research on energy-saving strategies. [0003] At present, the...

Claims

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Application Information

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IPC IPC(8): G01R21/00
CPCG01R21/00
Inventor 不公告发明人
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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