Space science and application data retrieval method, system, medium and device

A technology of applied data and space science, applied in structured data retrieval, digital data information retrieval, electronic digital data processing, etc., can solve the problem of difficulty in obtaining accurate data, unable to meet massive structured data, and unable to determine the accurate information of required data and other issues, to achieve the effect of improving retrieval efficiency, saving storage resources and computing resources

Active Publication Date: 2019-06-14
TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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Problems solved by technology

However, this method has the following disadvantages: On the one hand, for non-professional users who cannot determine the accurate information of the required data, it is difficult to obtain accurate data
On the other hand, relati

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  • Space science and application data retrieval method, system, medium and device
  • Space science and application data retrieval method, system, medium and device
  • Space science and application data retrieval method, system, medium and device

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Embodiment Construction

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0024] A space science and application data retrieval method provided by an embodiment of the present invention is a data positioning and display method with geographic information as the main index condition. The types of space science and application data distributed using this method are currently limited to remote sensing image data containing geographic information such as 3D imaging microwave altimeter data, broadband imaging spectrometer data, and ultraviolet limb imaging spectrometer data. The distribution data content includes remote sensing image data products and corresponding auxiliary files. The remote sensing image data product format is TIF, and the auxiliary files corresponding to the data products i...

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Abstract

The invention relates to a space science and application data retrieval method and system, a medium and a device, and the method comprises the steps of obtaining a fuzzy range coding set according toa retrieval range framed and selected in a map base map; acquiring data of Geohash codes of longitude and latitude of the central point in a fuzzy range code set from a database to form a fuzzy rangedata set; judging whether the longitude and latitude of the central point of each piece of data in the fuzzy range data set are within a retrieval range or not, and if yes, selecting the piece of datainto an accurate range data set; and screening the data in the accurate range data set according to a set retrieval condition to obtain a retrieval result data set. According to the method, the retrieval efficiency is improved, meanwhile, a large amount of storage resources and computing resources are saved, and the efficient conditional query of mass space science and application data is achieved.

Description

technical field [0001] The invention relates to the field of electronic maps, in particular to a space science and application data retrieval method, system, medium and equipment. Background technique [0002] With the rapid development of space science and application technology and the long-term stable orbital operation of aircraft, the amount of downlink data collected by space science experiments (tests) is growing explosively. Although a strict and mature management and control mechanism has been formed for the collection, downlink, processing, and archiving of space science and application data, due to the variety of data types, complex matching of data sets, and early data opening restrictions, the distribution and sharing of space science and application data in my country The work still stays in the traditional inefficient distribution mode of disk array storage, relational database SQL retrieval, B / S mode browsing and sharing. With the improvement of the resolution...

Claims

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Application Information

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IPC IPC(8): G06F16/29G06F16/2458
Inventor 王博李盛阳张万峰
Owner TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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