CN112193433B - Aircraft wake flow detection system and method based on wavefront information - Google Patents
Aircraft wake flow detection system and method based on wavefront information Download PDFInfo
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- CN112193433B CN112193433B CN202010960017.7A CN202010960017A CN112193433B CN 112193433 B CN112193433 B CN 112193433B CN 202010960017 A CN202010960017 A CN 202010960017A CN 112193433 B CN112193433 B CN 112193433B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
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- B64F5/60—Testing or inspecting aircraft components or systems
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 space-time characteristics of aircraft wake flows are difficult to track and analyze in a large range in the conventional aircraft wake flow detection. The system comprises: an aircraft wake detection system based on wavefront information, comprising: the system comprises a base platform and a central control information processing system; the base platform is used for providing air and ground bidirectional laser irradiation for the aircraft wake flow region, performing airspace scanning on the aircraft wake flow region and acquiring distorted wavefront light disturbed by the aircraft; and the central control information processing system is used for acquiring the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructing the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determining the position of the aircraft causing the wake flow. The system and the method provided by the invention realize the tracking analysis of the wake flow of the large-range aircraft and provide a technical means for the detection and the prediction planning of the air route of the aircraft.
Description
Technical Field
The invention relates to the field of aircraft wake flow detection, in particular to an aircraft wake flow detection system and method based on wavefront information.
Background
When the aircraft flies in the atmosphere, the disturbance of the aircraft wings to the atmosphere generates a wave, which, due to its unstable velocity, rotates to form a pair of counter-rotating vortices between the aircraft wings, which is the wake of the aircraft. Wake is a strong, well-characterized turbulence associated with aircraft type and volume, where air density and diffusion distributions are extremely non-uniform, have rich spatial and temporal information, and can stagnate for longer periods of time. The aircraft wake flow is accurately positioned, the time-space characteristics of the wake flow are predicted and analyzed, the flight safety of the aircraft can be obviously improved, airport resources are reasonably utilized, and the like.
The existing aircraft wake flow detection is mainly carried out by means of radar measurement, original measurement of a micro-temperature array, optical fiber interference measurement and the like, the radar measurement mode adopts a conventional empty pipe or an early warning radar to detect the wake flow, and the resolution is limited by the performance of the radar; the micro-temperature array is originally high in measurement precision in modes of measurement, optical fiber interferometry and the like, but the detection range is small, the micro-temperature array belongs to in-situ measurement, only wake flow information of a local area can be detected, and the space-time characteristics of aircraft wake flow are difficult to track and analyze in a large range.
Disclosure of Invention
The invention aims to provide an aircraft wake flow detection system and method based on wavefront information, which are used for solving the problems that the existing aircraft wake flow detection can only detect the wake flow information of a local area and is difficult to track and analyze the space-time characteristics of the aircraft wake flow in a larger range.
In order to achieve the above purpose, the invention provides the following technical scheme:
an aircraft wake detection system based on wavefront information is provided, comprising: the system comprises a base platform and a central control information processing system;
the base platform is used for providing air and ground bidirectional laser irradiation for the aircraft wake flow region, performing airspace scanning on the aircraft wake flow region and acquiring distorted wavefront light disturbed by the aircraft;
and the central control information processing system is used for obtaining the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructing the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determining the position of the aircraft causing the wake flow.
Compared with the prior art, the aircraft wake flow detection system based on the wavefront information provided by the invention has the advantages that the standard plane wave light source is used for irradiating the aircraft wake flow region, the scattered or projected light wavefront is distorted, the wavefront sensor is used for receiving the distorted wavefront light, the wavefront phase of the aircraft wake flow region can be obtained through a wavefront reconstruction algorithm, and the turbulent space characteristics of the aircraft wake flow region are reconstructed. The turbulence time characteristics of the aircraft wake flow region can be detected and reconstructed in a large space range through the wavefront sensors deployed in a large-range optical scanning and interval mode, and the defects of the prior art can be overcome. The method realizes the tracking analysis of the wake flow of the aircraft in a large range, provides a technical means for the detection and the prediction planning of the air route of the aircraft, and has very high practicability.
The invention also provides a detection method of the aircraft wake flow detection system based on the wavefront information, which comprises the following steps:
the base platform provides air and ground bidirectional laser irradiation for the aircraft wake flow region, performs airspace scanning on the aircraft wake flow region, and acquires distortion wavefront light disturbed by the aircraft;
and the central control information processing system obtains the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructs the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determines the position of the aircraft causing the wake flow.
Compared with the prior art, the beneficial effects of the aircraft wake flow detection method based on the wavefront information provided by the invention are the same as the beneficial effects of the aircraft wake flow detection system based on the wavefront information in the technical scheme, and the details are not repeated here.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic block diagram of an aircraft wake detection system based on wavefront information provided in an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for detecting an aircraft wake based on wavefront information in another embodiment of the present invention.
Reference numerals:
the system comprises a 1-space/air-based platform, a 2-space/air-based plane wave light source, a 3-space/air-based wavefront sensor, a 4-space/air-based networking communication module, a 5-land/sea-based platform, a 6-land/sea-based plane wave light source, a 7-land/sea-based wavefront sensor, an 8-land/sea-based networking communication module and a 9-central control information processing system.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can 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 be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, an embodiment of the present invention provides an aircraft wake detection system based on wavefront information, including: a base platform and a central control information processing system 9;
the base platform is used for providing air and ground bidirectional laser irradiation for the aircraft wake flow region, performing airspace scanning on the aircraft wake flow region and acquiring distorted wavefront light disturbed by the aircraft;
and the central control information processing system 9 is used for obtaining the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructing the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determining the position of the aircraft causing the wake flow.
According to the aircraft wake flow detection system based on the wavefront information, the standard plane wave light source is used for irradiating the aircraft wake flow region, the scattered or projected light wavefront is distorted, the wavefront sensor is used for receiving the distorted wavefront light, the wavefront phase of the aircraft wake flow region can be obtained through a wavefront reconstruction algorithm, and the turbulence space characteristics of the aircraft wake flow region are reconstructed. The turbulence time characteristics of the aircraft wake flow region can be detected and reconstructed in a large space range through the wavefront sensors deployed in a large-range optical scanning and interval mode, and the defects of the prior art can be overcome. The method realizes the tracking analysis of the wake flow of the aircraft in a large range, provides a technical means for the detection and the prediction planning of the air route of the aircraft, and has very high practicability.
As an embodiment, the base platforms include a space/air based platform 1 and a land/sea based platform 5;
the space/space based platform 1 is used for providing local laser irradiation for the aircraft wake flow region, performing local scanning on the aircraft wake flow region, acquiring distorted wavefront light disturbed by the aircraft, and sending the distorted wavefront light to the central control information processing system 9;
and the land/sea-based platform 5 is used for providing laser irradiation in the air direction for the aircraft wake flow region, scanning the air direction of the aircraft wake flow region, acquiring distorted wavefront light disturbed by the aircraft, and sending the distorted wavefront light to the central control information processing system 9.
By adopting the form of combining the space/space-based platform 1 and the land/sea-based platform 5, the distorted scattered light irradiating the aircraft wake region by the local laser and the distorted transmitted light irradiating the aircraft wake region by the air laser can be effectively acquired when the aircraft passes through the aircraft wake region, and the distorted scattered light irradiating the aircraft wake region by the air laser and the distorted transmitted light irradiating the aircraft wake region by the local laser can be effectively acquired, so that the accuracy of the finally determined aircraft position causing the wake can be effectively improved.
As an implementation mode, the space/space based platform 1 comprises a plurality of groups of space/space based plane wave light sources 2, space/space based wavefront sensors 3 and space/space based networking communication modules 4 which are arranged at intervals;
the space/space-based plane wave light source 2 is used for providing local standard plane wave beam irradiation for the aircraft wake flow area;
the space/space-based wavefront sensor 3 is used for acquiring distorted wavefront light of an aircraft wake flow region disturbed by the aircraft;
and the space/space based networking communication module 4 is used for transmitting the distorted wavefront light to the central control information processing system 9.
The space/space-based plane wave light source 2 can effectively provide standard plane beams for the aircraft wake region, the light source comprises but is not limited to a laser light source, the space/space-based wavefront sensor 3 can effectively collect scattered light of local directional laser light irradiating the aircraft wake region and transmitted light of space directional laser light irradiating the aircraft wake region in real time, and collection of distorted wavefront light caused by the aircraft passing through the aircraft wake region is effectively ensured. The mode that adopts multiunit interval to set up can be effectual to the monitoring and the collection of the distortion wavefront light that can lead in the great spatial dimension, has realized tracking the space-time characteristic of analysis aircraft wake in the great scope.
As an implementation manner, the land/sea-based platform 5 includes a plurality of sets of land/sea-based plane wave light sources 6, land/sea-based wavefront sensors 7, and land/sea-based networking communication modules 8 arranged at intervals;
a land/sea-based plane wave light source 6 for providing local standard plane beam illumination for the aircraft wake region;
the land/sea-based wavefront sensor 7 is used for acquiring distorted wavefront light of the aircraft wake flow region disturbed by the aircraft;
and the land/sea-based networking communication module 8 is used for transmitting the distorted wavefront light to the central control information processing system 9.
The land/sea-based plane wave light source 6 can effectively provide standard plane beams for the aircraft wake flow area, the light source comprises but is not limited to a laser light source, the land/sea-based wavefront sensor 7 can effectively collect scattered light of the aircraft wake flow area irradiated by the space-direction laser light and transmitted light of the aircraft wake flow area irradiated by the local direction laser light in real time, and collection of distorted wavefront light caused by the aircraft passing through the aircraft wake flow area is effectively ensured. The mode that adopts multiunit interval to set up can be effectual to the monitoring and the collection of the distortion wavefront light that can lead in the great spatial dimension, has realized tracking the space-time characteristic of analysis aircraft wake in the great scope.
As one possible embodiment, the land/sea-based wavefront sensor 7 and the land/sea-based networking communication module 8 are fixedly disposed in combination with the land/sea-based plane wave light source 6.
And a combined fixed deployment form is adopted, so that the deployment is simpler, and meanwhile, the cost of independent deployment is saved.
As one possible embodiment, the distorted wavefront light includes scattered light that is distorted and transmitted light that irradiates the aircraft wake region with the local directional laser light and transmits light that irradiates the aircraft wake region with the null directional laser light when the aircraft passes through the aircraft wake region, and scattered light that irradiates the aircraft wake region with the null directional laser light and transmits light that irradiates the aircraft wake region with the local directional laser light.
When no aircraft passes through the aircraft wake region, scattered light of the laser irradiation aircraft wake region and transmission light of the laser irradiation aircraft wake region are relatively stable, only when the aircraft passes through the aircraft wake region, the scattered light and the transmission light are distorted, the land/sea-based wavefront sensor 7 and the sky/sky wavefront sensor receive the distorted wavefront light, the wavefront phase of the aircraft wake region can be obtained through a wavefront reconstruction algorithm, and the turbulence space characteristics of the aircraft wake region are reconstructed.
Further, an aircraft wake detection system based on wavefront information, comprising: the system comprises a space/space-based platform 1, a space/space-based plane wave light source 2, a space/space-based wavefront sensor 3, a space/space-based networking communication module 4, a land/sea-based platform 5, a land/sea-based plane wave light source 6, a land/sea-based wavefront sensor 7, a land/sea-based networking communication module 8 and a central control information processing system 9;
the space/space-based platform 1 has the function of carrying a standard plane wave light source, a space/space-based wavefront sensor 3 and a space/space-based networking communication module 4, and realizes large-range maneuvering and large-area airspace scanning.
The function of the sky/space-based plane wave light source 2 is to provide a standard planar beam that illuminates the wake region of the aircraft, including but not limited to a laser light source.
The function of the sky/space-based wavefront sensor 3 is to receive scattered light from the sky/space-based plane wave light source 2 and transmitted light from the land/sea-based plane wave light source 6.
The space/space based networking communication module 4 has the function of carrying out communication networking with other space/space based platform 1 networking communication modules and land/sea based networking communication modules 8, and transmitting various types of wave front sensor information.
The land/sea-based platform 5 has the function of carrying a standard plane wave light source, a land/sea-based wavefront sensor 7 and a land/sea-based networking communication module 8, and realizes large-range maneuvering and large-area airspace scanning.
The function of land/sea-based plane wave light source 6 is to provide a standard planar beam that illuminates the wake region of the aircraft, including but not limited to a laser light source.
The land/sea-based wavefront sensor 7 is used for receiving scattered light emitted by the land/sea-based plane wave light source 6 to the aircraft wake region and transmitted light emitted by the space/sea-based plane wave light source 2 to the aircraft wake region, and the land/sea-based wavefront sensor 7 can be mounted on the land/sea-based platform 5 or fixedly deployed in combination with the land/sea-based networking communication module 8.
The land/sea-based networking communication module 8 has the function of performing communication networking with other space/air-based platform 1 networking communication modules and the land/sea-based networking communication module 8 to transmit various types of wave front sensor information, and the land/sea-based networking communication module 8 can be carried on the land/sea-based platform 5 or combined with the land/sea-based wave front sensor 7 module for fixed deployment.
The space/space-based platform 1 is carried with a standard plane wave light source, a space/space-based wavefront sensor 3 and a space/space-based networking communication module 4, so that large-range maneuvering and large-area airspace scanning are realized; the sky/space-based plane wave light source 2 provides a standard plane beam that illuminates the wake region of the aircraft, including but not limited to a laser light source; the space/space-based wavefront sensor 3 receives scattered light of the space/space-based plane wave light source 2 irradiating the aircraft wake region and transmitted light of the land/sea-based plane wave light source 6 irradiating the aircraft wake region; the space/space-based networking communication module 4 is in communication networking with the networking communication modules of other space/space-based platforms 1 and the land/sea-based networking communication module 8 to transmit various types of wave front sensor information; the land/sea-based platform 5 is provided with a standard plane wave light source, a land/sea-based wavefront sensor 7 and a land/sea-based networking communication module 8, so that large-range maneuvering and large-area airspace scanning are realized; land/sea-based plane wave light source 6 provides a standard plane beam that illuminates the wake region of the aircraft, including but not limited to a laser light source; the land/sea-based wavefront sensor 7 receives scattered light of the land/sea-based plane wave light source 6 irradiating the aircraft wake region and transmitted light of the sky/space-based plane wave light source 2 irradiating the aircraft wake region; the land/sea-based networking communication module 8 is in communication networking with the networking communication modules of other space/air-based platforms 1 and the land/sea-based networking communication module 8, and transmits various types of wave front sensor information; the central control information processing system 9 has the functions of controlling the space/space-based platform 1, the land/sea-based platform 5, the space/space-based wavefront sensor 3, the space/space-based networking communication module 4, the land/sea-based plane wave light source 6, the land/sea-based wavefront sensor 7, the land/sea-based networking communication module 8 and the like, fusing information of the wavefront sensors, reconstructing the position of a wake flow region of the aircraft, the space and time characteristics of turbulence in the wake flow region, and deducing, tracking and determining the position of the aircraft causing the wake flow. The space/space-based wavefront sensor 3 and the land/sea-based wavefront sensor 7 acquire optically distorted wavefront information perturbed by the aircraft, the distorted wavefront w (x, y) being a function of two-dimensional spatial coordinates (x, y) in units of optical path difference (μm), wavelength (λ), or phase angle (radians). The distorted wavefront w (x, y) is expressed by adopting a Zernike polynomial form, the Zernike polynomial is orthogonal and normalized in a circular domain, and the low-order terms of the Zernike polynomial are respectively corresponding to geometric aberrations such as Piston, Tip-tilt, defocus, astigmatism, spherical aberration and the like.
In the above formula, zk(x, y) is a primitive function of Zernike polynomials, akAre coefficients of the respective terms. According to the Zernike polynomial expression of the wave front distortion, the wave front value w (x, y) at any position (x, y) can be directly calculated according to the polynomial expression. On the basis of the information fusion of the wave-front sensors, the position of the aircraft wake region is reconstructed, and the turbulence space and time characteristics in the aircraft wake region are reconstructed, and the position of the aircraft causing the wake is determined by deduction tracking.
As shown in fig. 2, the present invention further provides a detection method of an aircraft wake detection system based on wavefront information, including the following steps:
the base platform provides air and ground bidirectional laser irradiation for the aircraft wake flow region, performs airspace scanning on the aircraft wake flow region, and acquires distortion wavefront light disturbed by the aircraft;
and the central control information processing system obtains the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructs the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determines the position of the aircraft causing the wake flow.
According to the aircraft wake flow detection system based on the wavefront information, the standard plane wave light source is used for irradiating the aircraft wake flow region, the scattered or projected light wavefront is distorted, the wavefront sensor is used for receiving the distorted wavefront light, the wavefront phase of the aircraft wake flow region can be obtained through a wavefront reconstruction algorithm, and the turbulence space characteristics of the aircraft wake flow region are reconstructed. The turbulence time characteristics of the aircraft wake flow region can be detected and reconstructed in a large space range through the wavefront sensors deployed in a large-range optical scanning and interval mode, and the defects of the prior art can be overcome. The method realizes the tracking analysis of the wake flow of the aircraft in a large range, provides a technical means for the detection and the prediction planning of the air route of the aircraft, and has very high practicability.
As an implementable embodiment, the base platform provides air and ground bidirectional laser irradiation for the aircraft wake flow region, performs airspace scanning on the aircraft wake flow region, and acquires the distorted wavefront light disturbed by the aircraft, specifically including the following steps:
the space/space-based platform provides local laser irradiation for the aircraft wake flow region, performs local scanning on the aircraft wake flow region, obtains distorted wavefront light disturbed by the aircraft, and sends the distorted wavefront light to the central control information processing system;
and the land/sea-based platform provides the laser irradiation in the air direction for the aircraft wake flow region, scans the air direction of the aircraft wake flow region, acquires the distorted wavefront light disturbed by the aircraft, and sends the distorted wavefront light to the central control information processing system.
By adopting the form of combining the space/space-based platform and the land/sea-based platform, when the aircraft passes through the aircraft wake region, the distorted scattered light irradiating the aircraft wake region by the local laser and the distorted transmitted light irradiating the aircraft wake region by the air laser can be effectively acquired, and the distorted scattered light irradiating the aircraft wake region by the air laser and the distorted transmitted light irradiating the aircraft wake region by the local laser can be effectively acquired, so that the accuracy of the finally determined aircraft position causing the wake can be effectively improved.
As an implementable mode, the space/space-based platform provides local laser irradiation for the aircraft wake flow region, performs local scanning on the aircraft wake flow region, acquires distorted wavefront light disturbed by the aircraft, and sends the distorted wavefront light to the central control information processing system, and the method comprises the following steps:
the space/space-based plane wave light source provides local standard plane wave beam irradiation for the aircraft wake flow area;
the method comprises the steps that a space/space-based wavefront sensor obtains distorted wavefront light of an aircraft wake flow region disturbed by an aircraft;
and the space/space based networking communication module transmits the distorted wavefront light to the central control information processing system.
The space/space-based plane wave light source can effectively provide standard plane beams for the aircraft wake region, the light source comprises but is not limited to a laser light source, the space/space-based wavefront sensor can effectively collect scattered light of the opposite directional laser light irradiating the aircraft wake region and transmitted light of the space directional laser light irradiating the aircraft wake region in real time, and collection of distorted wavefront light caused by the aircraft passing through the aircraft wake region is effectively ensured. The mode that adopts multiunit interval to set up can be effectual to the monitoring and the collection of the distortion wavefront light that can lead in the great spatial dimension, has realized tracking the space-time characteristic of analysis aircraft wake in the great scope.
As an implementable mode, the land/sea-based platform provides the laser irradiation in the air direction for the aircraft wake flow region, scans the air direction of the aircraft wake flow region, obtains the distorted wavefront light disturbed by the aircraft, and sends the distorted wavefront light to the central control information processing system, and the method comprises the following steps:
the land/sea-based plane wave light source provides local standard plane wave beam irradiation for the aircraft wake flow area;
a land/sea-based wavefront sensor acquires distorted wavefront light of a wake flow region of an aircraft disturbed by the aircraft;
and the land/sea-based networking communication module transmits the distorted wavefront light to the central control information processing system.
The land/sea-based plane wave light source can effectively provide standard plane beams for the aircraft wake flow area, the light source comprises but is not limited to a laser light source, the land/sea-based wavefront sensor can effectively collect scattered light of the airborne directional laser light irradiating the aircraft wake flow area and transmitted light of the local directional laser light irradiating the aircraft wake flow area in real time, and collection of distorted wavefront light caused by the aircraft passing through the aircraft wake flow area is effectively ensured. The mode that adopts multiunit interval to set up can be effectual to the monitoring and the collection of the distortion wavefront light that can lead in the great spatial dimension, has realized tracking the space-time characteristic of analysis aircraft wake in the great scope.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. An aircraft wake detection system based on wavefront information, comprising: the system comprises a base platform and a central control information processing system;
the base platform is used for providing air and ground bidirectional laser irradiation for the aircraft wake flow region, performing airspace scanning on the aircraft wake flow region and acquiring distorted wavefront light disturbed by the aircraft;
the central control information processing system is used for obtaining the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructing the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determining the position of the aircraft causing the wake flow;
the base platforms include space/air based platforms and land/sea based platforms;
the space/space-based platform is used for providing local laser irradiation for the aircraft wake flow region, performing local scanning on the aircraft wake flow region, acquiring distorted wavefront light disturbed by the aircraft, and sending the distorted wavefront light to the central control information processing system;
the land/sea-based platform is used for providing laser irradiation in the air direction for the aircraft wake flow region, scanning the air direction of the aircraft wake flow region, acquiring distorted wavefront light disturbed by the aircraft, and sending the distorted wavefront light to the central control information processing system;
the space/space-based platform comprises a plurality of groups of space/space-based plane wave light sources, space/space-based wavefront sensors and space/space-based networking communication modules which are arranged at intervals;
the space/space-based plane wave light source is used for providing local standard plane wave beam irradiation for the aircraft wake flow area;
the space/space-based wavefront sensor is used for acquiring distorted wavefront light of an aircraft wake flow region disturbed by the aircraft;
the space/space based networking communication module is used for transmitting the distorted wavefront light to the central control information processing system;
the land/sea-based platform comprises a plurality of groups of land/sea-based plane wave light sources, land/sea-based wavefront sensors and land/sea-based networking communication modules which are arranged at intervals;
the land/sea-based plane wave light source is used for providing local standard plane beam irradiation for the aircraft wake flow area;
the land/sea-based wavefront sensor is used for acquiring distorted wavefront light of an aircraft wake flow region disturbed by the aircraft;
and the land/sea-based networking communication module is used for transmitting the distorted wavefront light to the central control information processing system.
2. The wavefront information based aircraft wake detection system of claim 1 characterised in that the land/sea based wavefront sensor and land/sea based networking communication module are fixedly deployed in combination with the land/sea based plane wave light source.
3. The wavefront information based aircraft wake detection system of claim 1, wherein the distorted wavefront light comprises both scattered light that is distorted to the local laser light illuminating the aircraft wake region and transmitted light that is distorted to the aerial laser light illuminating the aircraft wake region as the aircraft traverses the aircraft wake region, and both scattered light that is distorted to the aerial laser light illuminating the aircraft wake region and transmitted light that is distorted to the local laser light illuminating the aircraft wake region.
4. A detection method comprising the wavefront information based aircraft wake detection system of any one of claims 1 to 3, characterized by the steps of:
the base platform provides air and ground bidirectional laser irradiation for the aircraft wake flow region, performs airspace scanning on the aircraft wake flow region, and acquires distortion wavefront light disturbed by the aircraft;
the central control information processing system obtains the wave front phase of the aircraft wake flow region according to the distorted wave front light, reconstructs the turbulence space characteristic and the time characteristic of the aircraft wake flow region, and determines the position of the aircraft causing the wake flow
The base platform provides air and ground bidirectional laser irradiation for the aircraft wake flow region, performs airspace scanning on the aircraft wake flow region, and acquires distortion wavefront light disturbed by the aircraft, and the method specifically comprises the following steps:
the space/space-based platform provides local laser irradiation for the aircraft wake flow region, performs local scanning on the aircraft wake flow region, acquires distorted wavefront light disturbed by the aircraft, and sends the distorted wavefront light to the central control information processing system;
the land/sea-based platform is used for providing laser irradiation in the air direction for the aircraft wake flow region, scanning the air direction of the aircraft wake flow region, acquiring distorted wavefront light disturbed by the aircraft, and sending the distorted wavefront light to the central control information processing system;
the space/space-based platform provides local laser irradiation for the aircraft wake flow region, performs local scanning on the aircraft wake flow region, acquires distorted wavefront light disturbed by the aircraft, and sends the distorted wavefront light to the central control information processing system, and the method comprises the following steps:
the space/space-based plane wave light source provides local standard plane wave beam irradiation for the aircraft wake flow area;
the method comprises the steps that a space/space-based wavefront sensor obtains distorted wavefront light of an aircraft wake flow region disturbed by an aircraft;
and the space/space based networking communication module transmits the distorted wavefront light to the central control information processing system.
5. The detection method according to claim 4, wherein the land/sea-based platform provides airborne laser irradiation for the aircraft wake region, scans the aircraft wake region in the airborne direction, acquires the distorted wavefront light disturbed by the aircraft, and transmits the distorted wavefront light to the central control information processing system, and comprises the following steps:
the land/sea-based plane wave light source provides local standard plane wave beam irradiation for the aircraft wake flow area;
a land/sea-based wavefront sensor acquires distorted wavefront light of a wake flow region of an aircraft disturbed by the aircraft;
and the land/sea-based networking communication module transmits the distorted wavefront light to the central control information processing system.
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