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Aircraft wake flow detection system and method based on wavefront information

A detection system and detection method technology, applied in the direction of aircraft component testing, etc., can solve the problems of the temporal and spatial characteristics of the wake of difficult aircraft, and achieve the effect of high practicability

Active Publication Date: 2021-01-08
THE SECOND ACAD OF CASIC
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Problems solved by technology

[0004] The purpose of the present invention is to provide an aircraft wake detection system and method based on wavefront information, which is used to solve the problem that the existing aircraft wake detection can only detect wake information in a local area, and it is difficult to track and analyze aircraft wake in a large range The spatio-temporal characteristics of

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  • Aircraft wake flow detection system and method based on wavefront information
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  • Aircraft wake flow detection system and method based on wavefront information

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[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indic...

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Abstract

The invention discloses an aircraft wake flow detection system and method based on wavefront information, relates to the field of aircraft wake flow detection, and aims to solve the problem that the existing aircraft wake flow detection cannot easily track and analyze the space-time characteristics of aircraft wake flow in a large range. The aircraft wake flow detection system based on wavefront information comprises a base platform and a central control information processing system, the base platform is used for providing to-air and to-ground bidirectional laser irradiation for an aircraft wake flow area, carrying out airspace scanning on the aircraft wake flow area and obtaining distorted wavefront light disturbed by the aircraft; and the central control information processing system isused for obtaining the wavefront phase of the aircraft wake flow area according to the distorted wavefront light, reconstructing the turbulence space characteristic and the time characteristic of theaircraft wake flow area, and determining the position of the aircraft causing the wake flow. According to the system and the method provided by the invention, tracking analysis of large-range aircraft wake flow is realized, and a technical means is provided for aircraft detection and route prediction planning.

Description

technical field [0001] The invention relates to the field of aircraft wake detection, in particular to an aircraft wake detection system and method based on wavefront information. Background technique [0002] When the aircraft is flying in the atmosphere, the disturbance of the aircraft's wings to the atmosphere produces a wave. Since the wave has an unstable speed, the wave is rotated to form a pair of counter-rotating wings between the aircraft's wings. Vortex, this is the wake of the aircraft. The wake is a strong turbulent flow with obvious characteristics related to the type and volume of the aircraft, in which the air density distribution and diffusion distribution are extremely uneven, with rich spatial and temporal information, and can stay in the air for a long time. Accurately locating the aircraft wake and predicting and analyzing the spatio-temporal characteristics of the wake can significantly improve the flight safety of aircraft and rationally utilize airpor...

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Application Information

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IPC IPC(8): B64F5/60
CPCB64F5/60
Inventor 赵宏鸣秦秀波刘鹏浩马喆毛磊
Owner THE SECOND ACAD OF CASIC
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