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Space target multi-dimensional information acquisition system and method based on X-ray

A space target and multi-dimensional information technology, which is applied in the field of space target multi-dimensional information acquisition system, can solve the problems such as the inability to realize space target monitoring

Pending Publication Date: 2021-08-17
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0006] Based on the problem that the existing methods cannot realize all-time and all-space monitoring of space targets under the background of solar radiation, the present invention proposes a system and method for acquiring multi-dimensional information of space targets based on X-rays

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  • Space target multi-dimensional information acquisition system and method based on X-ray

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Embodiment Construction

[0040] When the space target is in the line-of-sight direction of the sun, the existing optical detection equipment cannot identify the target due to the strong ultraviolet, visible light and infrared radiation emitted by the sun. The X-ray radiation of the sun is extremely weak during the quiet period. By introducing the X-ray modulation emission and detection technology, the present invention can solve the problem of imaging the sun target, form an all-time and all-airspace detection capability, and at the same time provide a strategy for the construction of the space situational awareness capability system It has laid a solid foundation for development needs and has great development prospects.

[0041] The present invention will be described in detail below in conjunction with a specific embodiment.

[0042] Such as figure 1 As shown, an X-ray-based space target multi-dimensional information acquisition system includes micro-focus spot ultrashort pulse X-ray source 1, X-r...

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Abstract

The invention discloses a space target multi-dimensional information acquisition system and method based on an X-ray. The method comprises the steps: transmitting an X-ray through a micro-focal spot ultrashort pulse X-ray source, enabling the X-ray to irradiate a space target after the X-ray is subjected to optical collimation through an X-ray collimator, and generating a back scattering X-ray and a characteristic X-ray; the back scattering X-ray and the characteristic X-ray are focused by an X-ray focusing optical device and then are received by the X-ray single-photon detector, and the multi-dimensional information processing unit obtains surface component information and internal component material information of a space target from signals of the X-ray single-photon detector and combines the arrival time of photons to realize three-dimensional reconstruction of internal and external structures of the to-be-monitored space target. The limitation of existing space target detection is broken through, the technical blank of sun target detection is filled up, and the problem of all-day and all-airspace multi-dimensional information identification of space targets is solved.

Description

technical field [0001] The invention relates to an X-ray-based multidimensional information acquisition system and method for a space target, which is suitable for all-airspace and all-time conditions, especially for solar backlight observation, that is, when the space target is located in a strong sunlight background, the distance of the space target , surface component analysis, internal composition materials, three-dimensional structure reconstruction and other multi-dimensional information acquisition. Background technique [0002] When various artificial satellites, asteroids and even space debris approach in the direction of the incident light from the sun, ground-based telescopes or space-based optical imaging systems cannot identify them. This is because the solar spectrum is distributed from soft X-rays with a wavelength of 10nm to radio waves with a wavelength of 100m. have varying degrees of impact. Among them, the impact is particularly serious in the fields of...

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Application Information

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IPC IPC(8): G01S17/06G01N23/203
CPCG01S17/06G01N23/203
Inventor 苏桐盛立志王锋李东坚孔德鹏冯莉李文龙
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI