CN108761400A - Airfield runway FOD detection radar systems and processing method - Google Patents
Airfield runway FOD detection radar systems and processing method Download PDFInfo
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- CN108761400A CN108761400A CN201810978032.7A CN201810978032A CN108761400A CN 108761400 A CN108761400 A CN 108761400A CN 201810978032 A CN201810978032 A CN 201810978032A CN 108761400 A CN108761400 A CN 108761400A
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- host computer
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- antenna
- high precision
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Present disclose provides a kind of airfield runway FOD to detect radar system, including：Microwave sounding equipment, High Precision Servo Table, Power entry module, control computer；Wherein, the microwave sounding equipment is arranged on High Precision Servo Table, and microwave sounding equipment is electrically connected with high precision turntable, and high precision turntable is electrically connected with Power entry module and control computer.Using airfield runway FOD detection radar systems and processing method, it ensure that airport for the FOD real-times detected and successional demand.
Description
Technical field
This disclosure relates to Radar Technology field more particularly to a kind of airfield runway FOD detection radar systems and processing method.
Background technology
Airfield runway foreign matter (FOD) may be caused to aircraft or personnel on airfield runway or taxiway to appearing in
The general designation of the foreign body of injury.FOD types are various, include mainly：Component (screw, nut, the pad that aircraft, Operation Van lose
Circle etc.), the tool that operating personnel loses is blown into cement block, the stone block of runway, road plane materiel material, wild animal etc..
FOD can cause movement area great security risk, and repeatedly case shows that FOD is easy to be inhaled into hair both at home and abroad
Motivation causes power failure, or is deposited in mechanical device, causes to take off and airplane crash occurs in descent.FOD
Aircraft breakage is not only resulted in, the direct losses such as personal damage can also cause flight be delayed, abort, closing runway etc.
Indirect economic loss and negative effect.Conservative estimation, the annual whole world caused by FOD economic loss at least in hundred million dollars of 30-40.
The mode that most domestic airport relies primarily on artificial timing inspection at present detects removing FOD foreign matters, this method master
It to be observed by human eye vision and find FOD, extremely inefficient, reliability is very poor.And it needs to close runway during manual inspection,
So that the flight traffic capacity substantially reduces.
Invention content
(1) technical problems to be solved
Present disclose provides a kind of airfield runway FOD detection radar systems and processing methods, more than at least partly solving
The technical issues of proposed.
(2) technical solution
According to one aspect of the disclosure, a kind of airfield runway FOD detections radar system is provided, including：Microwave sounding
Equipment, High Precision Servo Table, Power entry module, control computer；
Wherein, the microwave sounding equipment is arranged on High Precision Servo Table, microwave sounding equipment and high precision turntable
It is electrically connected, high precision turntable is electrically connected with Power entry module and control computer.
In the disclosure some embodiments, the microwave sounding equipment includes：Front ends of millimeter waves and antenna, radar host computer with
And signal processor, wherein：The front ends of millimeter waves and antenna, connect with radar host computer, for transmitting and receive microwave signal；
The signal processor, connect with radar host computer, and collected microwave signal, which is carried out real-time processing, obtains testing result, and leads to
It crosses machine learning to screen testing result, secondary detection result is sent to the control computer by servo later；
Radar host computer is for interacting High Precision Servo Table and front ends of millimeter waves and antenna.
In the disclosure some embodiments, the radar host computer includes：Digit extension, be connected to High Precision Servo Table,
Signal processor and radio frequency extension set, control High Precision Servo Table are scanned and receive High Precision Servo Table angle information,
And it by generating DA signals control transmitting microwave signal, is passed after collected echo-signal is recompiled with angle information
It is handled to signal processor；Radio frequency extension set is connect with front ends of millimeter waves and antenna and digit extension, is generated to digit extension
DA signals carry out up-conversion and process of frequency multiplication, microwave signal is externally emitted by transmitting antenna all the way after power amplifier, it is another
As the reference signal for receiving channel after the coupling of road；The echo-signal that reception antenna is received after low-noise amplifier with ginseng
It examines signal to be mixed, be acquired into digit extension after being filtered using amplification.
In the disclosure some embodiments, the microwave sounding equipment further includes：Supporting rack, antenna house, hood, blower fan group
Part and back cover, wherein：Support frame as described above is fixed by screws in above High Precision Servo Table, the front ends of millimeter waves and day
Line is fixed by screws in the front of supporting rack, and radar host computer is fixed by screws in the back of the body of supporting rack together with signal processor
Face；Antenna house use wave transparent material, cover on front ends of millimeter waves and antenna, and be fixed by screws in supporting rack front and by
Sealing strip is sealed, and prevents front ends of millimeter waves and antenna from being influenced by external environment variation；Hood is close to radar host computer table
The thermal conductive silicon rubber cushion in face covers on radar host computer and signal processor, and is fixed by screws in the back side of supporting rack and by sealing
Item is sealed；Fan assembly is fixed by screws in the hood back side, and blow-through hood surface to radar host computer to radiate；Back cover
It covers on hood and fan assembly, and is fixed by screws in the back side of supporting rack, play a protective role to fan assembly, and subtract
Small windage.
In the disclosure some embodiments, in the radio frequency extension set, intermediate frequency pumping signal is filtered and amplification, then upper becomes
Frequency arrives X-band, finally passes through 8 frequencys multiplication to W-waveband again；Transmitting signal is mixed with reception signal after coupler and is regarded
Frequency signal.
In the disclosure some embodiments, the airfield runway FOD detection radar systems carry out radar using FMCW systems
Parameter designing uses sharp wave beam, distance to realize high-resolution detection to using broadband signal in orientation.
In the disclosure some embodiments, the processing method of the airfield runway FOD detection radars includes：Microwave sounding
The radar host computer of equipment emits microwave signal by generating the control of DA signals, meanwhile, control High Precision Servo Table is scanned
And receive High Precision Servo Table angle information；Echo-signal and angle information are carried out weight by the radar host computer of microwave sounding equipment
Signal processor that is newly encoded and being sent to radar host computer；The signal processor of microwave sounding equipment carries out the data received
Data processing, and the testing result in each period is given to control computer progress result and is shown.
In the disclosure some embodiments, the radar host computer of microwave sounding equipment, which passes through, generates DA signals control transmitting microwave
Signal, including：The digit extension of radar host computer generates the radio frequency extension set that DA signals are transmitted to radar host computer, radio frequency extension set to signal into
Line frequency converts, and emits microwave signal using transmitting antenna is transmitted to after amplification, frequency multiplication；Signal irradiates time that target area generates
Wave signal is received by reception antenna, the echo-signal received is mixed by radio frequency extension set, amplified, filter after be given to number
Extension set.
In the disclosure some embodiments, control High Precision Servo Table is scanned and receives High Precision Servo Table angle
Information is spent, including：The digit extension control servo of radar host computer carries out sectoring according to setup parameter, while servo is by angle
The angle information of encoder is given to digit extension.
In the disclosure some embodiments, echo-signal and angle information are carried out weight by the radar host computer of microwave sounding equipment
Signal processor that is newly encoded and being sent to radar host computer includes：The digit extension of radar host computer is by echo-signal and angle information
Recompiled and be sent to the signal processor of radar host computer；The signal processor of radar host computer carries out data processing packet
It includes：Signal processor, which often receives, can be detected algorithm after whole scan period data, and using the data of a cycle as
Background is offseted；To subsequent cycle, detection algorithm can be detected positive total number evidence, the anti-inspection for sweeping the positive total number evidence of data verification
Whether correct survey result.
(3) advantageous effect
It can be seen from the above technical proposal that disclosure airfield runway FOD detection radar systems and processing method at least have
There is one of following advantageous effect：
(1) since the processing method of FOD detection radar systems is instead of the mode of manual inspection, the passage of flight is not influenced
Ability ensure that airport for the FOD real-times detected and successional demand；
(2) FOD detect radar system can round-the-clock, round-the-clock, unremitting work, influenced by weather, illumination smaller；
And due to being mounted on except runway lifting belt, do not influence takeoff and landing；
(3) since FOD detections radar system working frequency avoids, airport is existing to use frequency range, avoids and interferes with each other.
Description of the drawings
Fig. 1 is the schematic diagram that embodiment of the present disclosure airfield runway FOD detects radar system.
Fig. 2 is the Standard schematic diagram that embodiment of the present disclosure FOD detects radar system.
Fig. 3 is embodiment of the present disclosure millimeter wave band radar radio frequency unit composition frame chart.
Fig. 4 is the process chart that embodiment of the present disclosure airfield runway FOD detects radar system.
【Embodiment of the present disclosure main element symbol description in attached drawing】
1, supporting rack；2, antenna house；
3, front ends of millimeter waves and antenna；4, radar host computer；
5, signal processor；6, hood；
7, fan assembly；8, back cover；
9, high precision turntable
Specific implementation mode
Present disclose provides a kind of airfield runway FOD detection radar systems and processing methods, are mainly used in airport FOD inspections
It surveys, ensure that airport for the FOD real-times detected and successional demand.
To make the purpose, technical scheme and advantage of the disclosure be more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Disclosure some embodiments will be done with reference to appended attached drawing in rear and more comprehensively describe to property, some of but not complete
The embodiment in portion will be shown.In fact, the various embodiments of the disclosure can be realized by many different forms, without should be solved
It is interpreted as being limited to embodiments set forth herein；Relatively, these embodiments are provided so that the disclosure meets applicable legal requirement.
In an exemplary embodiment of the disclosure, a kind of airfield runway FOD detections radar system is provided.Fig. 1 is
The structural schematic diagram of embodiment of the present disclosure airfield runway FOD detection radar systems.As shown in Figure 1, the machine that present example provides
Field runway FOD detects radar system：Microwave sounding equipment (AMSU, Advanced-Microwave-Sounding-
Unit), High Precision Servo Table, Power entry module, control computer.
Wherein, the microwave sounding equipment is arranged on High Precision Servo Table, and structure connection, microwave are carried out by screw
Detecting devices is electrically connected with high precision turntable, and high precision turntable is electrically connected with Power entry module and control computer.It is excellent
Selection of land, between the microwave sounding equipment, High Precision Servo Table and Power entry module by aviation plug carry out electrical connection with
Information exchange.
Fig. 2 is the Standard schematic diagram of FOD detection radar systems of the embodiment of the present invention.As shown in Fig. 2, microwave sounding is set
Standby (AMSU) includes：Supporting rack 1, antenna house 2, front ends of millimeter waves and antenna 3, radar host computer 4, signal processor 5, hood 6, wind
Thermomechanical components 7, back cover 8.
Wherein, support frame as described above is fixed by screws in above High Precision Servo Table, the antenna house, front ends of millimeter waves
And antenna, radar host computer, signal processor, hood, back cover are fixed by screws on supporting rack.
The front ends of millimeter waves and antenna, connect with radar host computer, for transmitting and receive microwave signal；The millimeter wave
Front end and antenna are fixed by screws in the front of supporting rack；
Antenna house uses wave transparent material, covers on front ends of millimeter waves and antenna, and be fixed by screws in supporting rack just
Face is simultaneously sealed by sealing strip, prevents front ends of millimeter waves and antenna from being influenced by external environment variation.
The thermal conductive silicon rubber cushion that hood is close to radar host computer surface covers on radar host computer and signal processor, and passes through screw
It is fixed on the back side of supporting rack and is sealed by sealing strip；
Fan assembly is fixed by screws in the hood back side, and blow-through hood surface to radar host computer to radiate；
Back cover covers on hood and fan assembly, and is fixed by screws in the back side of supporting rack, is played to fan assembly
Protective effect, and reduce windage to a certain extent.
The signal processor is fixed by screws in the back side of supporting rack.It is connect with radar host computer, it will be collected micro-
Wave signal carries out real-time processing and obtains testing result, and is screened testing result by machine learning, later by secondary inspection
It surveys result and control computer is sent to by servo.
Radar host computer is fixed by screws in the back side of supporting rack together with signal processor, for turning to high-precision servo
Platform and front ends of millimeter waves and antenna interact.Referring again to Fig. 1, the radar host computer includes：Radio frequency extension set and digit extension.
Digit extension is connected to High Precision Servo Table, signal processor and radio frequency extension set, controls High Precision Servo Table
It is scanned and receives High Precision Servo Table angle information, and by generating DA signals control transmitting microwave signal；It will acquisition
To echo-signal recompiled with angle information after be transmitted to signal processor and handled.
Radio frequency extension set is connect with front ends of millimeter waves and antenna and digit extension, and the DA signals generated to digit extension carry out
Frequency conversion and process of frequency multiplication externally emit microwave signal by transmitting antenna all the way after power amplifier, are used as and connect after another way coupling
By the reference signal in channel.The echo-signal that reception antenna receives is mixed after low-noise amplifier with reference signal
Frequently, it is acquired into digit extension after being filtered using amplification.
When system works, the radar host computer sends out control signal control High Precision Servo Table and is scanned and controls micro-
Wave signal is sent out by transmitting antenna；Transmitting antenna in front ends of millimeter waves and antenna sends out microwave signal, and reception antenna receives
It is transmitted to radar host computer after the echo-signal of target area；Radar host computer watches the echo data for collecting target area and high-precision
It takes the angle information that turntable transmits to be integrated, signal processor is transmitted to by information exchange after coding；Signal processor docks
The radar host computer data received carry out data parsing, and extracted valid data carries out FOD detections, and is tied to detection by machine learning
Fruit carries out postsearch screening, and final result is transmitted to control computer later, and control computer is shown after being summarized testing result
Show on display interface.
In view of the factor of cost, processing data amount, quick response, low-power consumption miniaturization etc., system uses FMCW
System carries out the radar parameters design of system.It specifically includes：
According to range resolution formula
Wherein, c=3.0 × 108m/s
Above formula is it is found that range resolution ρrBy system bandwidth BrIt determines, to reach 0.075 range resolution, needs
Want the system bandwidth of 2G.
Azimuth resolution is related with beam angle
ρa=R θ3dB
Wherein, R is detection range, θ3dBIt is radar bearing to beam angle, in order to make azimuth resolution meet 5m requirements
(in 500m), then horizontal beam width is using 0.573 °.
According to beam angle formula
WhereinD is antenna size
It can find out
From the foregoing, it will be observed that using sharp wave beam, distance to realize high-resolution detection to using broadband signal in orientation.
According to radar equation
Wherein, Boltzmann constant k=1.38 × 10-23, normal temperature Ts=290K, noise coefficient Fn=8dB, loss because
Sub- L=3dB
Known to
Experience is tested according to external FOD radar equipments, if radar can detect RCS=in coverage area
0.001m2Target, common foreign matter on runway can be detected substantially.Transmission power >=30dBm receives and dispatches gain >=38dBi,
PRT=2000Hz.
Detection range can find out Signal to Noise Ratio (SNR) and be greater than equal to 13.12dB, system noise to meet 500m requirements
Than being about 16dB, meet 500m detection ranges.
Radio frequency extension set includes millimetre-wave radar radio frequency unit, the main millimeter-wave signal production completed under CW with frequency modulation system
Raw, transmitting and reception.Concrete function includes：1) baseband transmission signal is passed through into up-conversion/frequency multiplication to millimeter wave band；It 2) will milli
VHF band transmitting pumping signal is gone out after amplifying through power amplifier by aerial radiation；3) mesh is received while emitting signal
The echo for marking reflection is mixed to obtain vision signal with transmitted reference signal via antenna reception, low noise amplification, most later
Vision signal is exported to digital units eventually.
Millimeter wave band radar radio frequency unit composition frame chart in radio frequency extension set is as shown in Figure 3.Intermediate frequency pumping signal
(1.7GHz ± 125MHz) is filtered and amplifies, then upconverts to X-band (11.7GHz ± 125MHz), finally passes through 8 times again
Frequency arrives W-waveband (93.6GHz ± 1000MHz).Emit signal to be mixed to obtain video letter with reception signal after coupler
Number.
In second illustrative examples of the disclosure, a kind of processing of airfield runway FOD detections radar system is provided
Method.Fig. 4 is the process flow figure that embodiment of the present disclosure airfield runway FOD detects radar system.As shown in figure 4, this hair
The bright system processing method includes：
Digit extension emits microwave signal by generating the control of DA signals, meanwhile, control High Precision Servo Table is swept
It retouches and receives High Precision Servo Table angle information；
Echo-signal and angle information are recompiled and are sent to signal processor by digit extension；
Signal processor carries out data processing to the data received, and the testing result in each period is given to control meter
Calculation machine carries out result and shows.
The each step for detecting the processing method of radar system to this FOD below is described in detail.
Digit extension is specifically included by generating DA signals control transmitting microwave signal：
Digit extension generates DA signals and is transmitted to radio frequency extension set, and radio frequency extension set carries out frequency transformation to signal, using amplification,
Transmitting antenna transmitting microwave signal is transmitted to after frequency multiplication.The echo-signal that signal irradiation target area generates is received by reception antenna,
The echo-signal received is mixed by radio frequency extension set, amplified, filter after be given to digit extension；
Meanwhile controlling High Precision Servo Table and being scanned and receive High Precision Servo Table angle information, it specifically includes：
Digit extension controls servo and carries out sectoring according to setup parameter, while servo believes the angle of angular encoder
Breath is given to digit extension.
After digit extension is recompiled echo-signal and angle information, signal processor carries out data processing packet
It includes：Signal processor, which often receives, can be detected algorithm after whole scan period data, and using the data of a cycle as
Background is offseted.For subsequent cycle, detection algorithm can be detected positive total number evidence, counter to sweep the positive total number evidence of data verification
Testing result it is whether correct.
In conclusion present invention could apply to a variety of application side's scenes such as mobile, tower-type and sidelight types, instead of
The mode of manual inspection does not influence the traffic capacity of flight, ensure that airport for the FOD real-times detected and successional need
It asks；Can round-the-clock, round-the-clock, unremitting work, influenced by weather, illumination smaller；It is existing that working frequency avoids airport
Using frequency range, avoids and interfere with each other；Except runway lifting belt, takeoff and landing are not influenced；Coverage area is big, comprehensive cloth
It is smaller to be set as this；It can be applied to a variety of application modes such as mobile, tower-type and sidelight type.
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.It should be noted that in attached drawing or saying
In bright book text, the realization method for not being painted or describing is form known to a person of ordinary skill in the art in technical field, and
It is not described in detail.In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment it is various specific
Structure, shape or mode, those of ordinary skill in the art simply can be changed or replaced to it.
It should also be noted that, the direction term mentioned in embodiment, for example, "upper", "lower", "front", "rear", " left side ",
" right side " etc. is only the direction of refer to the attached drawing, not is used for limiting the protection domain of the disclosure.Through attached drawing, identical element by
Same or similar reference numeral indicates.When that understanding of this disclosure may be caused to cause to obscure, conventional structure will be omitted
Or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only illustrate the embodiment of the present disclosure
Content.In addition, in the claims, any reference mark between bracket should not be configured to the limit to claim
System.
It unless there are known entitled phase otherwise anticipates, the numerical parameter in this specification and appended claims is approximation, energy
Enough required characteristic changings according to as obtained by content of this disclosure.Specifically, all be used in specification and claim
The number of the middle content for indicating composition, reaction condition etc., it is thus understood that repaiied by the term of " about " in all situations
Decorations.Under normal circumstances, the meaning expressed refers to including by specific quantity ± 10% variation in some embodiments, at some
± 5% variation in embodiment, ± 1% variation in some embodiments, in some embodiments ± 0.5% variation.
In addition, unless specifically described or the step of must sequentially occur, there is no restriction in the above institute for the sequence of above-mentioned steps
Row, and can change or rearrange according to required design.And above-described embodiment can be based on the considerations of design and reliability, that
This mix and match is used using or with other embodiment mix and match, i.e., the technical characteristic in different embodiments can be freely combined
Form more embodiments.
Algorithm and display be not inherently related to any certain computer, virtual system or miscellaneous equipment provided herein.
Various general-purpose systems can also be used together with teaching based on this.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the disclosure is not also directed to any certain programmed language.It should be understood that can utilize various
Programming language realizes content of this disclosure described here, and the description done above to language-specific is to disclose this public affairs
The preferred forms opened.
The disclosure can by means of include several different elements hardware and by means of properly programmed computer come
It realizes.The all parts embodiment of the disclosure can be with hardware realization, or to run on one or more processors
Software module is realized, or is realized with combination thereof.It will be understood by those of skill in the art that can use in practice micro-
Processor or digital signal processor (DSP) are some or all in the relevant device according to the embodiment of the present disclosure to realize
The some or all functions of component.The disclosure be also implemented as a part for executing method as described herein or
Whole equipment or program of device (for example, computer program and computer program product).Such journey for realizing the disclosure
Sequence can may be stored on the computer-readable medium, or can be with the form of one or more signal.Such signal can
It is obtained with being downloaded from internet website, either provided on carrier signal or provided in any other forms.
Those skilled in the art, which are appreciated that, to carry out adaptively the module in the equipment in embodiment
Change and they are arranged in the one or more equipment different from the embodiment.It can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it may be used any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit requires, abstract and attached drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
It replaces.Also, in the unit claims listing several devices, several in these devices can be by same hard
Part item embodies.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each open aspect,
Above in the description of the exemplary embodiment of the disclosure, each feature of the disclosure is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：It is i.e. required to protect
The disclosure of shield requires features more more than the feature being expressly recited in each claim.More precisely, as following
Claims reflect as, open aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific implementation mode are expressly incorporated in the specific implementation mode, wherein each claim itself
All as the separate embodiments of the disclosure.
Particular embodiments described above has carried out further in detail the purpose, technical solution and advantageous effect of the disclosure
It describes in detail bright, it should be understood that the foregoing is merely the specific embodiment of the disclosure, is not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (10)
1. a kind of airfield runway FOD detects radar system, including：Microwave sounding equipment, High Precision Servo Table, Power entry module,
Control computer；
Wherein, the microwave sounding equipment is arranged on High Precision Servo Table, and microwave sounding equipment is carried out with high precision turntable
Electrical connection, high precision turntable are electrically connected with Power entry module and control computer.
2. airfield runway FOD according to claim 1 detects radar system, the microwave sounding equipment includes：Millimeter wave
Front end and antenna, radar host computer and signal processor, wherein：
The front ends of millimeter waves and antenna, connect with radar host computer, for transmitting and receive microwave signal；
The signal processor, connect with radar host computer, and collected microwave signal, which is carried out real-time processing, obtains testing result,
And screened testing result by machine learning, secondary detection result is sent to the control by servo later calculates
Machine；
Radar host computer is for interacting High Precision Servo Table and front ends of millimeter waves and antenna.
3. airfield runway FOD according to claim 2 detects radar system, wherein the radar host computer includes：
Digit extension, is connected to High Precision Servo Table, signal processor and radio frequency extension set, and control High Precision Servo Table carries out
High Precision Servo Table angle information is scanned and receives, and by generating DA signals control transmitting microwave signal, it will be collected
Echo-signal is transmitted to signal processor after being recompiled with angle information and is handled；
Radio frequency extension set is connect with front ends of millimeter waves and antenna and digit extension, and the DA signals generated to digit extension carry out upper change
Frequency and process of frequency multiplication externally emit microwave signal, as receiving after another way coupling by transmitting antenna all the way after power amplifier
The reference signal in channel；The echo-signal that reception antenna receives is mixed after low-noise amplifier with reference signal,
It is acquired into digit extension after being filtered using amplification.
4. airfield runway FOD according to claim 2 detects radar system, the microwave sounding equipment further includes：Support
Frame, antenna house, hood, fan assembly and back cover, wherein：
Support frame as described above is fixed by screws in above High Precision Servo Table, and the front ends of millimeter waves and antenna are solid by screw
It is scheduled on the front of supporting rack, radar host computer is fixed by screws in the back side of supporting rack together with signal processor；
Antenna house uses wave transparent material, covers on front ends of millimeter waves and antenna, and is fixed by screws in the front of supporting rack simultaneously
It is sealed by sealing strip, prevents front ends of millimeter waves and antenna from being influenced by external environment variation；
The thermal conductive silicon rubber cushion that hood is close to radar host computer surface covers on radar host computer and signal processor, and is fixed by screw
It is sealed at the back side of supporting rack and by sealing strip；
Fan assembly is fixed by screws in the hood back side, and blow-through hood surface to radar host computer to radiate；
Back cover covers on hood and fan assembly, and is fixed by screws in the back side of supporting rack, and protection is played to fan assembly
Effect, and reduce windage.
5. airfield runway FOD according to claim 2 detects radar system, wherein in the radio frequency extension set, intermediate frequency excitation
Signal is filtered and amplifies, then upconverts to X-band, finally passes through 8 frequencys multiplication to W-waveband again；Emit signal and passes through coupler
It is mixed to obtain vision signal with reception signal afterwards.
6. airfield runway FOD according to claim 1 detects radar system, wherein the airfield runway FOD detects radar
System carries out radar parameters design using FMCW systems, uses sharp wave beam, distance to be realized to using broadband signal in orientation
High-resolution detects.
7. a kind of processing method of airfield runway FOD detections radar system, using airfield runway as claimed in claim 1 or 2
FOD detects radar system, the treating method comprises：
The radar host computer of microwave sounding equipment emits microwave signal by generating the control of DA signals, meanwhile, control high-precision servo
Turntable is scanned and receives High Precision Servo Table angle information；
Echo-signal and angle information are recompiled and are sent to radar host computer by the radar host computer of microwave sounding equipment
Signal processor；
The signal processor of microwave sounding equipment carries out data processing to the data that receive, and by the testing result in each period
Control computer progress result is given to show.
8. processing method according to claim 7, wherein the radar host computer of microwave sounding equipment is by generating DA signal controls
System transmitting microwave signal, including：
The digit extension of radar host computer generates the radio frequency extension set that DA signals are transmitted to radar host computer, and radio frequency extension set is to signal into line frequency
Transformation emits microwave signal using transmitting antenna is transmitted to after amplification, frequency multiplication；Signal irradiates the echo-signal that target area generates
Received by reception antenna, the echo-signal received is mixed by radio frequency extension set, amplified, filter after be given to digit extension.
9. processing method according to claim 8, wherein control High Precision Servo Table is scanned and receives high-precision
Servo turntable angle information, including：
The digit extension control servo of radar host computer carries out sectoring according to setup parameter, while servo is by angular encoder
Angle information is given to digit extension.
10. processing method according to claim 9, wherein
Echo-signal and angle information are recompiled and are sent to radar host computer by the radar host computer of microwave sounding equipment
Signal processor includes：Echo-signal and angle information are recompiled and are sent to radar by the digit extension of radar host computer
The signal processor of host；
The signal processor of radar host computer carries out data processing：Signal processor often receives meeting after whole scan period data
It is detected algorithm, and the data of a cycle are offseted as background；To subsequent cycle, detection algorithm can be to forward direction
Scan data is detected, and whether the testing result of reverse scan data verification forward scan data is correct.
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