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Optimization method and device based on satellite time sequence incidence relation algorithm

A time-series association and optimization method technology, applied in relational databases, calculations, structured data retrieval, etc., can solve problems such as mixed rules, and achieve the effect of reducing the number

Active Publication Date: 2021-08-17
KEY & CORE TECH INNOVATION INST OF THE GREATER BAY AREA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The embodiment of the present invention provides an optimization method and device based on the satellite timing correlation algorithm to solve the problem of mixed rules excavated in the satellite timing correlation algorithm and reduce the number of meaningless rules mined

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  • Optimization method and device based on satellite time sequence incidence relation algorithm
  • Optimization method and device based on satellite time sequence incidence relation algorithm
  • Optimization method and device based on satellite time sequence incidence relation algorithm

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Embodiment 1

[0066] see Figure 2 to Figure 7 , according to an embodiment of the present invention, a kind of optimization method based on satellite timing correlation algorithm is provided, comprising the following steps:

[0067] S101: Obtain preprocessed satellite time series data, and input the satellite time series data into a correlation analysis algorithm;

[0068] S102: The association relationship analysis algorithm is based on the satellite time series data, and performs knowledge mining on multiple time series in the satellite time series data, so as to mine frequent patterns between the sequences;

[0069] S103: Optimizing the frequent patterns among the excavated sequences, screening out more relevant frequent patterns, and deleting meaningless frequent patterns.

[0070] In the optimization method and device based on the satellite timing correlation algorithm in the embodiment of the present invention, the method includes: acquiring the preprocessed satellite timing data, a...

Embodiment 2

[0126] see Figure 5 , according to another embodiment of the present invention, an optimization device based on satellite timing correlation algorithm is provided, including:

[0127] The data acquisition module 100 is used to acquire preprocessed satellite time series data, and input the satellite time series data into the correlation analysis algorithm;

[0128] The algorithm mining module 200 is used for correlation analysis algorithm to carry out knowledge mining on multiple time series in the satellite time series data based on the satellite time series data, so as to dig out the frequent patterns between the sequences;

[0129] The pattern optimization module 300 is configured to optimize frequent patterns among the excavated sequences, screen out more relevant frequent patterns, and delete meaningless frequent patterns.

[0130] In the optimization method and device based on satellite time-series correlation algorithm in the embodiment of the present invention, the de...

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Abstract

The invention relates to the technical field of computer software, in particular to an optimization method and device based on a satellite time sequence incidence relation algorithm, and the method comprises the steps: obtaining preprocessed satellite time sequence data, and inputting the satellite time sequence data into an incidence relation analysis algorithm, wherein the incidence relation analysis algorithm is based on the satellite time sequence data; carrying out the knowledge mining on multiple time sequences in the satellite time sequence data so as to mine out frequent patterns among the sequences; optimizing the mined frequent patterns among the sequences, screening out frequent patterns with higher relevance, and deleting meaningless frequent patterns. According to the method, frequent patterns among sequences are mined from satellite time sequence data, the mined frequent patterns among the sequences are optimized, and meaningless frequent patterns are deleted, so that the problem that rules mined in a satellite time sequence association relationship algorithm are mixed is solved; and the number of meaningless rules mined in a satellite time sequence incidence relation analysis algorithm is greatly reduced.

Description

technical field [0001] The present invention relates to the technical field of computer software, in particular, to an optimization method and device based on a satellite timing correlation algorithm. Background technique [0002] With the continuous development of the commercial aerospace industry, the safe operation of satellites in orbit has become a research hotspot. The parameters transmitted by satellites to the ground through sensors are time-series data with many types and large quantities. By analyzing the relationship between telemetry parameters, the change trend of parameters in a short period of time can be predicted; or through the abnormal change trend of a certain parameter, the satellite parameters that caused the abnormal change can be traced to provide reliable information for the safe and stable operation of satellites. policy support. [0003] The rules mined based on the existing satellite timing correlation algorithm are quite mixed. Within the time...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2458G06F16/28
CPCG06F16/2465G06F16/284
Inventor 郝锐陈振安曾伟刚杨军红
Owner KEY & CORE TECH INNOVATION INST OF THE GREATER BAY AREA