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Data processing method based on multilayer information united index

A data processing and joint indexing technology, which is applied in the field of space science satellite data processing, can solve problems such as inability to meet data continuity and integrity requirements, and achieve the effect of ensuring continuity and integrity and meeting processing requirements

Pending Publication Date: 2018-02-09
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

However, when sorting the source packets, the vcdu count and the source packet count of the space science satellite detection data will overflow and be reset. At the same time, using the traditional method, the data with the same vcdu count and packet count will be considered as duplicate data and eliminated, which cannot meet the continuity and integrity requirements of space science satellites for data

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  • Data processing method based on multilayer information united index
  • Data processing method based on multilayer information united index

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Embodiment Construction

[0026] The disclosure provides a data processing method based on a multi-layer information joint index, by establishing a data multi-layer information joint index, and jointly distinguishing multi-layer information, thereby realizing the discrimination of virtual channel frame counting and source packet counting cycles, Complete the sorting, splicing, and de-duplication operations of source packet data, avoiding the problem that the traditional method will consider the data with the same virtual channel frame count and source packet count as duplicate data, and ensure the continuity and integrity of the data. It can meet the processing requirements of space science satellite detection data.

[0027] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0028] In the first exemp...

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Abstract

The invention discloses a data processing method based on a multilayer information united index. The method comprises the steps that a data transmission data index comprising virtual channel frame counts, virtual channel identifiers and frame time is extracted from original data; virtual channel data is extracted according to the data transmission data index, and a virtual channel data index comprising the virtual channel frame counts, the virtual channel identifiers and the frame time is established; source packet data is extracted according to the virtual channel data index, and a source packet data index comprising the virtual channel frame counts, source packet counts, source packet identifiers and source packet time is established; and sequencing, splicing and repetition-removing operation are performed on the source packet data according to the source packet data index to generate continuous and complete source packet data. Through the method, the problem that the data with identical virtual channel frame counts and source packet counts will be deemed as repeated data and removed through traditional methods is avoided, the continuity and completeness of the data are guaranteed, and the processing demand of space science on satellite sounding data can be met.

Description

technical field [0001] The invention belongs to the field of space science satellite data processing and relates to a data processing method based on multi-layer information joint indexing. Background technique [0002] Space science is a hot subject used to explore the universe, the origin and evolution of life, and the basic laws of physics. The development of space science has directly or indirectly contributed to many major discoveries in today's natural sciences. After more than 50 years of development in my country, the space science satellites that have been launched include Dongfanghong-1, the "Practice" series, the "Double Star" project, dark matter satellites, quantum satellites, etc., which have made great progress in my country's space science research and detection technology. develop. [0003] Space science satellites have the characteristics of all-weather detection and a large number of payloads. The detection data has the following characteristics: First, th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/215G06F16/2272G06F16/256
Inventor 李冰杨晓艳孙小涓石涛
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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