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Data treatment method of parallelization Abel transformation atmospheric parameters

An atmospheric parameter and data processing technology, applied in the fields of atmospheric detection, parallel computing, and satellite navigation, can solve problems that are difficult to meet the needs of 3-6h near-real-time applications, and achieve easy automatic batch processing, simple methods, and near-real-time requirements Applied effect

Inactive Publication Date: 2010-10-20
WUHAN UNIV
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Problems solved by technology

For the number of samples that are several times a day, the classic implementation method is obviously difficult to meet the needs of 3-6h near real-time applications

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  • Data treatment method of parallelization Abel transformation atmospheric parameters
  • Data treatment method of parallelization Abel transformation atmospheric parameters
  • Data treatment method of parallelization Abel transformation atmospheric parameters

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Abstract

The invention relates to the technical fields of satellite navigation, atmospheric sounding and parallel computation, and in particular relates to a data treatment method of parallelization Abel transformation atmospheric parameters. Because no time dependence on data treatment exists among occultation events generated by an LEO asterism occultation system, the back calculation of the Abel transformation atmospheric parameter of each occultation event is mutually independent. Based on the point, the data treatment method of the parallelization Abel transformation atmospheric parameters is provided by the invention, and the back calculation of the Abel transformation atmospheric parameter is realized by adopting a high-efficiency parallelization method with fine granularity. Aiming at the condition that no time dependence exists within the back calculation process of the Abel transformation atmospheric parameter, the atmospheric parameter back calculation on the multiple occultation events is carried out by completely adopting a fine granularity parallel mode, thus the invention has the characteristics of high efficiency, simple method and high execution efficiency, is suitable for computer systems, and can effectively improve the core part of the asterism occultation data system, i.e. the work efficiency of the atmospheric parameter back calculation.

Description

technical field The invention relates to the technical fields of satellite navigation, atmospheric detection and parallel computing, in particular to a parallelized Abel transform atmospheric parameter data processing method. Background technique Radio occultation technology was first used in astronomy to detect the atmospheric state of planets (see Document 1); in 1965, Fischbach proposed the idea of ​​applying this technology to the detection of the Earth's atmosphere (see Document 2). Since then, Hardy et al. have done a lot of theoretical research and simulation calculation work (see literature 3). The successful establishment and operation of the GPS (Global Positioning System) constellation in the United States in the early 1990s promoted the application of this idea in practice. Using GPS radio occultation technology to detect the state of the Earth's atmosphere is one of the booming research directions in the field of geosciences and atmospheric sciences in recent ...

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Application Information

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IPC IPC(8): G01W1/10G01S19/35
Inventor 罗佳徐晓华
Owner WUHAN UNIV
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