Near space temperature calculation method

Through information entropy sampling and impact factor analysis, the inflection point temperature function and height function of the adjacent space are fitted, and the temperature model is established, which solves the limitations of the existing atmospheric model in the temperature profile fitting near space, and improves the accuracy and efficiency of the calculation.

CN119691324AActive Publication Date: 2025-03-25NAT UNIV OF DEFENSE TECH
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Patent Information

Application Number
CN202411829193.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-03-25
Estimated Expiration
2044-12-12

AI Technical Summary

Technical Problem

The existing atmospheric models have limitations in fitting atmospheric temperature profiles near space, with complex calculations and low accuracy.

Method used

The inflection point temperature data set and the temperature layer temperature data set were obtained from the TIMED/SABER satellite observation data using information entropy sampling method. Combined with impact factor analysis and orthogonal function decomposition, the inflection point temperature function and height function were fitted, and the adjacent spatial temperature model of different temperature layers was established.

Benefits of technology

Through information entropy sampling and impact factor analysis, the data dimension and calculation complexity are reduced, the accuracy and efficiency of temperature calculations are improved, and the key features of temperature data can be captured more accurately.

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Abstract

The invention provides a near space temperature calculation method, and relates to the technical field of near space, and the method comprises the steps: obtaining a satellite observation data set of TIMED / SABER, and carrying out the layered sampling of the observation data set through employing an information entropy sampling method, and obtaining a sampling data set; the sampling data set comprises an inflection point temperature data set, a temperature layer temperature data set and environment parameters related to the inflection point temperature data set; performing influence factor analysis on the environment parameters related to the inflection point temperature data set to obtain element information; fitting based on the inflection point temperature data set and the element information to obtain an inflection point temperature function and an inflection point height function; establishing near space temperature models of different temperature layers based on the temperature layer temperature data set, the element information, the inflection point temperature function and the inflection point height function; and inputting the obtained current element information into the near space temperature model to obtain the current near space temperature. According to the method, the problems of poor limitation, complicated calculation and low accuracy in the existing near space temperature calculation method are solved.
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