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Detection method and system of high-speed near-space aerocraft

A technology of near space and detection methods, applied in the field of radar early warning, which can solve problems such as complex interactions between particles

Active Publication Date: 2019-07-19
WUHAN UNIV
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  • Description
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  • Application Information

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Problems solved by technology

Not only that, the thermal protection ablation material coated on the surface of the aircraft undergoes ablation reaction under the action of high heat flow and high temperature, and the generated products are released into the flow field around the aircraft, causing more group formation in the surrounding flow field. points, the interaction between particles becomes more complicated

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  • Detection method and system of high-speed near-space aerocraft
  • Detection method and system of high-speed near-space aerocraft
  • Detection method and system of high-speed near-space aerocraft

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Embodiment Construction

[0035] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings and embodiments.

[0036] See figure 1 , A method for detecting a high-speed near-space vehicle provided by an embodiment of the present invention includes the following processes:

[0037] S101: Acquire electromagnetic waves radiated by the plasma of the high-speed adjacent space vehicle.

[0038] In practical applications, nearby spacecraft has the characteristics of fast flight speed, strong maneuverability, and good stealth performance, and can be used for reconnaissance, early warning, and communication. The use of radar to detect nearby space targets has the advantages of long range, little weather influence, relatively mature technology, and low system cost. Therefore, radar detection will be the main technical means for detecting nearby space targets. The nearby spacecraft has small targets and long distances, coupled with the stealth design...

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Abstract

The invention provides a detection method and system for a high-speed near-space aerocraft. A signal produced in a physical process in a plasma sheath produced by the aerocraft self is used for detecting the aerocraft, and the method comprises the following steps: acquiring electromagnetic wave of plasma radiation for the high-speed near-space aerocraft; acquiring flight characteristics of the high-speed near-space aerocraft according to the electromagnetic characteristics carried by the electromagnetic wave of the plasma radiation, wherein the electromagnetic characteristics comprise one or combination of the frequency, delay and doppler information, and the flight characteristics comprise one or combination of the distance, the azimuth angle, the altitude angle and the speed. By applyingthe technical scheme disclosed by the invention, the effective detection of the near-space aerocraft can be realized.

Description

Technical field [0001] The invention relates to the technical field of radar early warning, in particular to a detection method and system for a high-speed approaching space vehicle. Background technique [0002] Adjacent space refers to the airspace with a height of 20-100 kilometers from the ground. At present, the world's major aerospace powers, dominated by the United States, have set off an upsurge in adjacent space development in order to gain an advantage and an active position in future military confrontations. The United States, Russia, Britain, Germany, Israel and other countries have all formulated their own near-space development plans, and have invested heavily in the development of near-space vehicles. Near-space aircraft refers to an aircraft that flies in adjacent space and completes related tasks. Near-space vehicles have advantages over ordinary aviation and aerospace vehicles, especially in the areas of communication support, intelligence collection, electroni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S5/06
CPCG01S5/06
Inventor 周晨王翔赵正予
Owner WUHAN UNIV
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