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A Method for Analyzing Accuracy of X-ray Source Location in Adaptive Space

A precision analysis and X-ray technology, applied in the field of space X-ray source positioning precision analysis, can solve the problems of increasing the difficulty and cost of satellites, and achieve the effect of low satellite system requirements, low imaging positioning accuracy, and high-precision positioning

Active Publication Date: 2021-02-09
BEIJING INST OF SPACECRAFT SYST ENG
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Problems solved by technology

[0007] In terms of satellite platform technology, it is expected to improve the positioning accuracy of satellites for X-ray sources by increasing the requirements for satellite pointing accuracy, stability, and satellite structure stability, which will greatly increase the difficulty and cost of satellites.

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  • A Method for Analyzing Accuracy of X-ray Source Location in Adaptive Space

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Embodiment Construction

[0031] Aiming at the shortcomings of the existing technology, this method proposes a method for analyzing the positioning accuracy of cosmic space X-ray sources. Based on the imaging capability of my country's first X-ray astronomical detection satellite built by the direct modulation and demodulation method established by Chinese scholars, the influence of the method is given. The factors of the cosmic X-ray source positioning accuracy, and the properties and errors of the influencing factors are allocated to form a cosmic X-ray source positioning accuracy error system. Aiming at the error nature of the error system and the imaging method of the X-ray telescope, a multi-telescope joint positioning accuracy determination and analysis method is proposed.

[0032] This method utilizes the characteristics of space X-ray detection satellite inertial space target pointing and direct demodulation imaging method of non-position-sensitive collimating telescope, and hard X-ray modulation...

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Abstract

An analysis method adapted to the positioning accuracy of space X-ray sources. First, it decomposes and obtains the factors affecting the positioning accuracy of cosmic X-ray sources by satellites, and divides them into random errors and systematic errors, and then calculates high-energy telescope detectors and medium-energy telescope detectors according to the systematic errors , The positioning accuracy of the unknown X-ray source by the low-energy telescope detector, and finally determine the positioning accuracy of the unknown X-ray source.

Description

technical field [0001] The present invention designs a method for analyzing the positioning accuracy of an X-ray source in cosmic space, which is suitable for an analysis method for determining the accuracy of the position of an unknown X-ray source on the orbit of a spacecraft using a collimator-type X-ray telescope, and is especially suitable for multi-band joint observation of X-ray sources. Analysis of the positioning accuracy of X-ray sources in unknown space by ray astronomical observation satellites. Background technique [0002] Space X-rays originate from high-energy physical processes on celestial bodies, and are related to extreme physical conditions such as high temperature, high density, strong magnetic fields, and strong gravitational fields. They are the main means to study the properties of celestial bodies such as black holes and neutron stars. The Earth's atmosphere absorbs X-rays, so X-ray observations of celestial objects can only be done above the atmosp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V13/00
CPCG01V13/00
Inventor 张龙潘腾倪润立顾荃莹王颖卢方军梁中坚缪远明
Owner BEIJING INST OF SPACECRAFT SYST ENG
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