CN106844870A - Aircraft noise method for visualizing and device - Google Patents
Aircraft noise method for visualizing and device Download PDFInfo
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- CN106844870A CN106844870A CN201611221643.4A CN201611221643A CN106844870A CN 106844870 A CN106844870 A CN 106844870A CN 201611221643 A CN201611221643 A CN 201611221643A CN 106844870 A CN106844870 A CN 106844870A
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Abstract
Aircraft noise method for visualizing provided in an embodiment of the present invention and device, belong to noise visualization field.The method includes：Obtain aerodrome condition and flying quality；The operation rules of flithg rules and pilot is obtained, the 4 D data to aircraft is analyzed calculating, obtains the 4 D data of aircraft；Flight track is obtained according to 4 D data fitting；Noise testing point is obtained, according to noise testing point and flight track, the oblique distance between noise testing point and flight track is determined；Based on noise testing point and aircraft weight, the corresponding relation set up between oblique distance and EPN effective perceived noise value；According to the corresponding relation between oblique distance and oblique distance and EPN effective perceived noise value, the EPN effective perceived noise value of noise testing point is determined；EPN effective perceived noise value determines the sensation noise value of aircraft, and sensation noise value is depicted as into countermeasures on noise standard.The method and device, realize that aircraft noise is visualized, and deviation occur to solve noise contours, cause the problem that noise evaluation is inaccurate.
Description
Technical field
The present invention relates to noise visualization field, in particular to a kind of aircraft noise method for visualizing and device.
Background technology
As the rapid growth of flight amount and airport are newly-built, the increase of expansion project, aircraft enters making an uproar of causing near procedure
The major issue that sound pollution faces as airport.As airport noise problem is increasingly serious, how airport is effectively controlled
Influence of the noise to airport nearby residents is a problem for being highly desirable to solution, when building an airport or extending airport, all
Need to carrying out ambient noise assessment around airport, and realize that noise visualization is the important evidence to ambient noise assessment, it is existing
The countermeasures on noise standard for having technology to drawing occurs certain deviation compared with actual noise, therefore, it is how quick and accurate
Drafting airport countermeasures on noise standard realize noise visualization be just particularly important.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of aircraft noise method for visualizing and device, to solve
Certainly there is deviation in noise contours, causes the problem that noise evaluation is inaccurate.
In a first aspect, the embodiment of the invention provides aircraft noise method for visualizing, methods described includes：Obtain airport gas
As condition and flying quality, the aerodrome condition includes airport and terminal area atmospheric pressure value, temperature, wind speed and wind direction, institute
State absolute altitude, type, longitude and latitude of the flying quality including aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and guidance station
Degree coordinate, magnetic variation；The operation rules of flithg rules and pilot is obtained, and based on the aerodrome condition and the flight
Data, the 4 D data to aircraft is analyzed calculating, obtains the 4 D data of aircraft；It is fitted according to the 4 D data
Obtain flight track；Noise testing point is obtained, according to the noise testing point and the flight track, determines that the noise is surveyed
Oblique distance between amount point and the flight track；Based on the noise testing point and the aircraft weight, the oblique distance is set up
With the corresponding relation between EPN effective perceived noise value；According between the oblique distance and the oblique distance and EPN effective perceived noise value
Corresponding relation, determines the EPN effective perceived noise value of noise testing point；The sensation of aircraft is determined according to the EPN effective perceived noise value
Noise figure, countermeasures on noise standard is depicted as by the sensation noise value.
Second aspect, the embodiment of the invention provides a kind of aircraft noise visualization device, and described device includes：Obtain mould
Block, for obtaining aerodrome condition and flying quality, the aerodrome condition includes airport and terminal area atmospheric pressure value, temperature
Degree, wind speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and navigation
The absolute altitude of platform, type, latitude and longitude coordinates, magnetic variation；First computing module, the operation for obtaining flithg rules and pilot is advised
Then, and based on the aerodrome condition and the flying quality, the 4 D data to aircraft is analyzed calculating, is flown
The 4 D data of machine；First fitting module, for obtaining flight track according to 4 D data fitting；Second calculates mould
Block, for obtaining noise testing point, according to the noise testing point and the flight track, determine the noise testing point with
Oblique distance between the flight track；Second fitting module, for based on the noise testing point and the aircraft weight, building
Vertical corresponding relation tiltedly between the oblique distance and EPN effective perceived noise value；3rd computing module, for according to the oblique distance and
Corresponding relation between the oblique distance and EPN effective perceived noise value, determines the EPN effective perceived noise value of noise testing point；Draw mould
Block, the sensation noise value for determining aircraft according to the EPN effective perceived noise value, noise is depicted as by the sensation noise value
Isogram.
The noise method for visualizing of present invention offer and the beneficial effect of device are：First obtain aerodrome condition and
Flying quality, the aerodrome condition includes airport and terminal area atmospheric pressure value, temperature, wind speed and wind direction, and the flying quality includes
Absolute altitude, type, latitude and longitude coordinates, the magnetic variation of aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and guidance station, then
The operation rules of flithg rules and pilot is obtained, based on aerodrome condition and flying quality, aircraft 4 D data is carried out
Analytical calculation, obtains the 4 D data of aircraft, and flight track is obtained by being fitted to 4 D data, obtains noise testing point, root
According to noise testing point and flight track, determine the oblique distance between measurement point and flight track, be then based on noise testing point with
And aircraft weight, the corresponding relation set up between oblique distance and EPN effective perceived noise value, according to oblique distance and oblique distance and effectively sensation
Corresponding relation between noise figure, determines the EPN effective perceived noise value of noise testing point, true finally according to EPN effective perceived noise value
Determine sensation noise value, sensation noise value is depicted as countermeasures on noise standard.The method and device can realize that aircraft noise is visual
Change, deviation occur to solve noise contours, cause the problem that noise evaluation is inaccurate.
Other features and advantages of the present invention will illustrate in subsequent specification, also, partly become from specification
It is clear that or being understood by implementing the embodiment of the present invention.The purpose of the present invention and other advantages can be by saying for being write
Specifically noted structure is realized and obtained in bright book, claims and accompanying drawing.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the structured flowchart of electronic equipment provided in an embodiment of the present invention；
Fig. 2 shows the flow chart of the aircraft noise method for visualizing that first embodiment of the invention is provided；
Fig. 3 shows the flow chart of the aircraft noise method for visualizing that second embodiment of the invention is provided；
Fig. 4 shows the structured flowchart of the aircraft noise visualization device that third embodiment of the invention is provided；
Fig. 5 shows the structured flowchart of the aircraft noise visualization device that fourth embodiment of the invention is provided.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of selected embodiment of the invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.Meanwhile, of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
As shown in figure 1, being the block diagram of electronic equipment 100.The electronic equipment 100 includes：Aircraft noise is visual
Makeup is put, memory 110, storage control 120, processor 130, Peripheral Interface 140, input-output unit 150, audio unit
160th, display unit 170.
The memory 110, storage control 120, processor 130, Peripheral Interface 140, input-output unit 150, sound
Frequency unit 160 and each element of display unit 170 are directly or indirectly electrically connected with each other, with realize data transmission or
Interaction.For example, these elements can be realized being electrically connected with by one or more communication bus or holding wire each other.It is described to fly
During machine noise visualization device can be stored in the memory including at least one in the form of software or firmware (firmware)
Or it is solidificated in the software function module in the operating system of the client device (operating system, OS).The place
Reason device 130 is used to perform the executable module stored in memory 110, such as it is soft that described aircraft noise visualization device includes
Part functional module or computer program.
Wherein, memory 110 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory 110 is used for storage program, and the processor 130 performs described program after execute instruction is received, foregoing
Method performed by the server of the stream process definition that embodiment of the present invention any embodiment is disclosed can apply to processor 130
In, or realized by processor 130.
Processor 130 is probably a kind of IC chip, the disposal ability with signal.Above-mentioned processor 130 can
Being general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit
(Network Processor, abbreviation NP) etc.；Can also be digital signal processor (DSP), application specific integrated circuit (ASIC),
It is ready-made programmable gate array (FPGA) or other PLDs, discrete gate or transistor logic, discrete hard
Part component.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.General processor
Can be microprocessor or the processor can also be any conventional processor etc..
Various input/output devices are coupled to processor 130 and memory 110 by the Peripheral Interface 140.At some
In embodiment, Peripheral Interface 140, processor 130 and storage control 120 can be realized in one single chip.Other one
In a little examples, they can be realized by independent chip respectively.
Input-output unit 150 is used to be supplied to user input data to realize interacting for user and electronic equipment 100.It is described
Input-output unit 150 may be, but not limited to, mouse and keyboard etc..
Audio unit 160 provides a user with COBBAIF, and it may include one or more microphones, one or more raises
Sound device and voicefrequency circuit.
Display unit 170 provides an interactive interface (such as user interface) between electronic equipment 100 and user
Or referred to user for display image data.In the present embodiment, the display unit 170 can be liquid crystal display or touch
Control display.If touch control display, it can be that the capacitance type touch control screen or resistance-type for supporting single-point and multi-point touch operation are touched
Control screen etc..Support that single-point and multi-point touch operation refer to that touch control display can be sensed from one on the touch control display or many
The touch control operation produced simultaneously at individual position, and transfer to processor 130 to be calculated and processed the touch control operation for sensing.
First embodiment
Fig. 2 is refer to, Fig. 2 shows the flow chart of the noise method for visualizing that first embodiment of the invention is provided, below
To be explained in detail for the flow shown in Fig. 2, methods described includes：
Step S110：Aerodrome condition and flying quality are obtained, the aerodrome condition includes airport and terminal area
Atmospheric pressure value, temperature, wind speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude, longitude and latitude
The absolute altitude of coordinate and guidance station, type, latitude and longitude coordinates, magnetic variation.
Wherein, according to the regulation of International Civil Aviation Organization (ICAO), the meteorological condition of airport noise measurement is：Atmospheric pressure value
1013.25 hundred handkerchiefs；25 DEG C of temperature；Relative humidity 70%；It is calm.But in a practical situation, the meteorological condition on airport is to be difficult to
This standard is reached, during actual measurement, following meteorological condition is met：2 DEG C to 30 DEG C of temperature value temperature value；Relative humidity
30% to 90%；Wind speed is less than or equal to 19km/h, used as atmospheric environment module.Wherein, in initial setting up, in addition it is also necessary to obtain and fly
Row data, used as a kind of mode, the flying quality includes aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and leads
Absolute altitude, type, latitude and longitude coordinates, magnetic variation of boat platform etc., as primary condition.In the present embodiment, climbed journey using broadcast
Sequence Boeing Climb Out Program (BCOP) is emulated to aircraft track, wherein, broadcast climbing program is windows
It is used to analyzing air route under interface and using leaving the theatre of providing of user or enters the nearly software for calculating aeroplane performance.
Step S120：The operation rules of flithg rules and pilot is obtained, and based on the aerodrome condition and institute
Flying quality is stated, the 4 D data to aircraft is analyzed calculating, obtain the 4 D data of aircraft.
Wherein, the flight course of aircraft is a dynamic process for complexity, if comprehensively considering the curvature of the earth, combustion
The relative motion and aircraft of the parts such as consumption, dynamical system and the operating system of oil elastic deformation in itself, and external force make to fly
Machine profile, the factor such as flight attitude and kinematic parameter change, can cause the prediction of aircraft track becomes extremely complex, therefore,
In the present embodiment, aircraft is reduced into a rigid body to be analyzed calculating.The accurate calculating of flight track must be based on reliability
Atmospheric environment data and flying quality, and follow the operation rules into, flithg rules of leaving the theatre and pilot, actually flying
During row, because the factor such as meteorologic factor, pilot operator rule, aircraft can not be flown fully according to predetermined track, because
This accuracy in order to ensure result of calculation, the present embodiment obtains the operation rules of flithg rules and pilot, and based on airport
Meteorological condition and flying quality, by broadcasting, climbing program is analyzed calculating to the four-dimensional flight path of aircraft, to obtain aircraft
4 D data.
Step S130：Flight track is obtained according to 4 D data fitting.
Broadcast climbing program is regular according to aerodrome condition, flying quality, flithg rules and pilot operator, to aircraft
Vertical section and horizontal profile emulated, calculate the 4 D data of aircraft, as a kind of mode, obtaining aircraft four
After dimension data, it is fitted using MATLAB and draws flight track.
Step S140：Noise testing point is obtained, according to the noise testing point and the flight track, it is determined that described make an uproar
Oblique distance between sound measurement point and the flight track.
Noise testing point is obtained, noise testing point and flight track are determined further according to noise testing point and flight track
Between oblique distance, be origin with the point taken off or land as a kind of mode, the center line and extended line of runway are
X-axis, wherein, the direction left the theatre is positive direction, is Y-axis perpendicular to the direction of runway centerline, and the left side in direction of leaving the theatre is pros
To, it is Z axis perpendicular to ground, coordinate system is set up, noise testing point is set on coordinate system, when the coordinate of noise testing point is
When (x, y, z), aircraft raising or landing and when ground angulation is θ, the oblique distance between aircraft and noise prediction point is
Step S150：Based on the noise testing point and the aircraft weight, set up the oblique distance and effectively feel to make an uproar
Corresponding relation between sound value.
Aircraft EPN effective perceived noise value can be expressed as the function of engine power and oblique distance, can be expressed as N-P-D numbers
According to, by setting up coordinate system, set noise testing point, the i.e. weight of the measurement point based on setting and aircraft, set up oblique distance D with
Corresponding relation between EPN effective perceived noise value.
Step S160：According to the corresponding relation between the oblique distance and the oblique distance and EPN effective perceived noise value, it is determined that
The EPN effective perceived noise value of noise testing point.
Aircraft EPN effective perceived noise value is expressed as the function of engine power and oblique distance, by the foundation of coordinate system and flies
Row flight path, obtains the oblique distance between noise testing point and flight track, as a kind of mode, when aircraft is B737, based on oblique
Relation between EPN effective perceived noise value, i.e., based on EPNL=-0.18*D+128.6, wherein, EPNL is effectively to feel to make an uproar
Sound value, D is oblique distance.By the oblique distance between noise testing point and flight track, calculate and determine that the thoughts of noise testing point are felt
Noise figure.
Step S170：Sensation noise value is determined according to the EPN effective perceived noise value, the sensation noise value is depicted as
Countermeasures on noise standard.
After the above method determines EPN effective perceived noise value, then sensation noise value is calculated, as a kind of mode, base
In EPNL=LAmax+15db and PNL=LAmax+13db, the sensation noise value for determining aircraft is calculated, wherein, EPNL is prediction
The effective perceived noise level of point aircraft, PNL is the perceived noise level of future position aircraft, and LAmax is maximum A sound levels.Calculating
To after the sensation noise value of aircraft, result data files are generated, determined to meet all of condition according to given noise figure interpolation
Isopleth is put and be linked to be, in the present embodiment, is drawn using Golden Software Surfer8.0 softwares, by result
Data file is converted into grid files and just can directly draw countermeasures on noise standard.
The noise method for visualizing that the present embodiment is provided obtains aerodrome condition and flying quality first, the airport gas
As condition includes airport and terminal area atmospheric pressure value, temperature, wind speed and wind direction, the flying quality includes aircraft weight, airfield runway
Length, absolute altitude, absolute altitude, type, latitude and longitude coordinates, the magnetic variation of latitude and longitude coordinates and guidance station, then obtain flithg rules and fly
The operation rules of office staff, based on aerodrome condition and flying quality, calculating is analyzed to aircraft 4 D data, obtains aircraft
4 D data, obtain flight track by being fitted to 4 D data, obtain noise testing point, according to noise testing point and fly
Row flight path, determines the oblique distance between measurement point and flight track, is then based on noise testing point and aircraft weight, sets up oblique distance
With the corresponding relation between EPN effective perceived noise value, according between oblique distance and oblique distance and EPN effective perceived noise value it is corresponding pass
System, determines the EPN effective perceived noise value of noise testing point, and sensation noise value is determined finally according to EPN effective perceived noise value, will feel
Noise figure is depicted as countermeasures on noise standard.The method and device can realize that aircraft noise is visualized, to solve noise contours
There is deviation, cause the problem that noise evaluation is inaccurate.
Second embodiment
Fig. 3 is refer to, Fig. 3 shows the flow chart of the noise method for visualizing that second embodiment of the invention is provided, below
The flow that second embodiment of the invention is provided will be explained in detail with reference to Fig. 3, methods described includes：
Step S210：Aerodrome condition and flying quality are obtained, the aerodrome condition includes airport and terminal area
Atmospheric pressure value, temperature, wind speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude, longitude and latitude
The absolute altitude of coordinate and guidance station, type, latitude and longitude coordinates, magnetic variation.
Step S220：Judge the aerodrome condition for obtaining；Wherein, when the aerodrome condition for obtaining is uncomfortable
Measurement noise value is closed, then shows miscue.
Wherein, after aerodrome condition is obtained, the meteorological condition to obtaining judges, when the meteorological bar for getting
When part is unsatisfactory for measurement noise, i.e., when temperature value temperature value is not at 2 DEG C to 30 DEG C；Relative humidity is not 30% to 90%；Wind speed
More than 19km/h etc., then display data miscue, for pointing out to re-enter aerodrome condition.
Step S230：The operation rules of flithg rules and pilot is obtained, and based on the aerodrome condition and institute
Flying quality is stated, the 4 D data to aircraft is analyzed calculating, obtain the 4 D data of aircraft.
Step S240：Flight track is obtained according to 4 D data fitting.
Step S250：Noise testing point is obtained, according to the noise testing point and the flight track, it is determined that described make an uproar
Oblique distance between sound measurement point and the flight track.
Step S260：Based on the noise testing point and the aircraft weight, set up the oblique distance and effectively feel to make an uproar
Corresponding relation between sound value.
Step S270：According to the corresponding relation between the oblique distance and the oblique distance and EPN effective perceived noise value, it is determined that
The EPN effective perceived noise value of noise testing point.
Step S280：Sensation noise value is determined according to the EPN effective perceived noise value, the sensation noise value is depicted as
Countermeasures on noise standard.
The noise method for visualizing that the present embodiment is provided obtains aerodrome condition and flying quality first, the airport gas
As condition includes airport and terminal area atmospheric pressure value, temperature, wind speed and wind direction, the flying quality includes aircraft weight, airfield runway
Length, absolute altitude, absolute altitude, type, latitude and longitude coordinates, the magnetic variation of latitude and longitude coordinates and guidance station, then obtain flithg rules and fly
The operation rules of office staff, based on aerodrome condition and flying quality, calculating is analyzed to aircraft 4 D data, obtains aircraft
4 D data, obtain flight track by being fitted to 4 D data, obtain noise testing point, according to noise testing point and fly
Row flight path, determines the oblique distance between measurement point and flight track, is then based on noise testing point and aircraft weight, sets up oblique distance
With the corresponding relation between EPN effective perceived noise value, according between oblique distance and oblique distance and EPN effective perceived noise value it is corresponding pass
System, determines the EPN effective perceived noise value of noise testing point, and sensation noise value is determined finally according to EPN effective perceived noise value, will feel
Noise figure is depicted as countermeasures on noise standard.The method and device can realize that aircraft noise is visualized, to solve noise contours
There is deviation, cause the problem that noise evaluation is inaccurate.
3rd embodiment
Fig. 4 is refer to, Fig. 4 shows the structured flowchart of the noise visualization device that third embodiment of the invention is provided, under
Face is illustrated Fig. 3 is combined to the noise visualization device that the present invention is provided, and the aircraft noise visualization device 300 is wrapped
Include：Acquisition module 310, the first computing module 320, the first fitting module 330, the second computing module 340, the second fitting module
350th, the 3rd computing module 360 and drafting module 370, wherein,
Acquisition module 310, for obtaining aerodrome condition and flying quality, the aerodrome condition includes airport
Termination environment atmospheric pressure value, temperature, wind speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude,
The absolute altitude of latitude and longitude coordinates and guidance station, type, latitude and longitude coordinates, magnetic variation.
First computing module 320, the operation rules for obtaining flithg rules and pilot, and based on the aerodrome
Condition and the flying quality, the 4 D data to aircraft are analyzed calculating, obtain the 4 D data of aircraft.
First fitting module 330, for obtaining flight track according to 4 D data fitting.
Second computing module 340, for obtaining noise testing point, navigates according to the noise testing point and the flight
Mark, determines the oblique distance between the noise testing point and the flight track.
Second fitting module 350, for based on the noise testing point and the aircraft weight, setting up the tiltedly oblique distance
Corresponding system between EPN effective perceived noise value.
3rd computing module 360, for according to right between the oblique distance and the oblique distance and EPN effective perceived noise value
Should be related to, determine the EPN effective perceived noise value of noise testing point.
Drafting module 370, for determining sensation noise value according to the EPN effective perceived noise value, by the sensation noise value
It is depicted as countermeasures on noise standard.
The present embodiment refers to above-mentioned Fig. 1 to Fig. 3 institutes to the process of the respective function of each Implement of Function Module of device 300
Show the content described in embodiment, here is omitted.
Fourth embodiment
Fig. 5 is refer to, Fig. 5 shows the structured flowchart of the noise visualization device that fourth embodiment of the invention is provided, under
Face will be illustrated with reference to Fig. 5 to the device that fourth embodiment of the invention is provided, and the aircraft noise visualization device 400 is wrapped
Include：Acquisition module 410, judge module 420, the first computing module 430, the first fitting module 440, the second computing module 450,
Two fitting modules 460, the 3rd computing module 470 and drafting module 480, wherein,
Acquisition module 410, for obtaining aerodrome condition and flying quality, the aerodrome condition includes airport
Termination environment atmospheric pressure value, temperature, wind speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude,
The absolute altitude of latitude and longitude coordinates and guidance station, type, latitude and longitude coordinates, magnetic variation.
Judge module 420, for the meteorological condition for judging to obtain, wherein, made an uproar when the meteorological condition for obtaining is not suitable for measurement
During sound value, then miscue is shown.
First computing module 430, the operation rules for obtaining flithg rules and pilot, and based on the aerodrome
Condition and the flying quality, the 4 D data to aircraft are analyzed calculating, obtain the 4 D data of aircraft.
First fitting module 440, for obtaining flight track according to 4 D data fitting.
Second computing module 450, for obtaining noise testing point, navigates according to the noise testing point and the flight
Mark, determines the oblique distance between the noise testing point and the flight track.
Second fitting module 460, for based on the noise testing point and the aircraft weight, setting up the tiltedly oblique distance
With the corresponding relation between EPN effective perceived noise value.
3rd computing module 470, for according to right between the oblique distance and the oblique distance and EPN effective perceived noise value
Should be related to, determine the EPN effective perceived noise value of noise testing point.
Drafting module 480, for determining sensation noise value according to the EPN effective perceived noise value, by the sensation noise value
It is depicted as countermeasures on noise standard.
In sum, the present invention provide aircraft noise method for visualizing and device, first obtain aerodrome condition with
And flying quality, the aerodrome condition include airport and terminal area atmospheric pressure value, temperature, wind speed and wind direction, the flying quality bag
Absolute altitude, type, latitude and longitude coordinates, the magnetic variation of aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and guidance station are included,
The operation rules of flithg rules and pilot is obtained again, based on aerodrome condition and flying quality, aircraft 4 D data is entered
Row analytical calculation, obtains the 4 D data of aircraft, and flight track is obtained by being fitted to 4 D data, obtains noise testing point,
According to noise testing point and flight track, the oblique distance between measurement point and flight track is determined, be then based on noise testing point
And aircraft weight, the corresponding relation set up between oblique distance and EPN effective perceived noise value, according to oblique distance and oblique distance and effective feeling
Feel the corresponding relation between noise figure, the EPN effective perceived noise value of noise testing point is determined, finally according to EPN effective perceived noise value
Determine sensation noise value, sensation noise value is depicted as countermeasures on noise standard.The method and device can realize that aircraft noise can
Depending on change, there is deviation to solve noise contours, cause the problem that noise evaluation is inaccurate.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it is also possible to pass through
Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing
Show the device of multiple embodiments of the invention, the architectural framework in the cards of method and computer program product,
Function and operation.At this point, each square frame in flow chart or block diagram can represent one the one of module, program segment or code
Part a, part for the module, program segment or code is used to realize holding for the logic function for specifying comprising one or more
Row instruction.It should also be noted that at some as in the implementation replaced, the function of being marked in square frame can also be being different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they are sometimes
Can perform in the opposite order, this is depending on involved function.It is also noted that every in block diagram and/or flow chart
The combination of the square frame in individual square frame and block diagram and/or flow chart, can use the function or the special base of action for performing regulation
Realized in the system of hardware, or can be realized with the combination of computer instruction with specialized hardware.
In addition, each functional module in each embodiment of the invention can integrate to form an independent portion
Divide, or modules individualism, it is also possible to which two or more modules are integrated to form an independent part.
If the function is to realize in the form of software function module and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.Need
Illustrate, herein, such as first and second or the like relational terms be used merely to by an entity or operation with
Another entity or operation make a distinction, and not necessarily require or imply these entities or there is any this reality between operating
The relation or order on border.And, term " including ", "comprising" or its any other variant be intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of key elements are not only including those key elements, but also including
Other key elements being not expressly set out, or it is this process, method, article or the intrinsic key element of equipment also to include.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, article or equipment in also there is other identical element.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Claims (10)
1. a kind of aircraft noise method for visualizing, it is characterised in that methods described includes：
Aerodrome condition and flying quality are obtained, the aerodrome condition includes airport and terminal area atmospheric pressure value, temperature, wind
Speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and guidance station
Absolute altitude, type, latitude and longitude coordinates, magnetic variation；
The operation rules of flithg rules and pilot is obtained, and based on the aerodrome condition and the flying quality, it is right
The 4 D data of aircraft is analyzed calculating, obtains the 4 D data of aircraft；
Flight track is obtained according to 4 D data fitting；
Noise testing point is obtained, according to the noise testing point and the flight track, the noise testing point and institute is determined
State the oblique distance between flight track；
Based on the noise testing point and the aircraft weight, set up corresponding between the oblique distance and EPN effective perceived noise value
Relation；
According to the corresponding relation between the oblique distance and the oblique distance and EPN effective perceived noise value, having for noise testing point is determined
Effect sensation noise value；
Sensation noise value is determined according to the EPN effective perceived noise value, the sensation noise value is depicted as countermeasures on noise standard.
2. aircraft noise method for visualizing according to claim 1, it is characterised in that the acquisition noise testing point, root
According to the noise testing point and the flight track, the oblique distance bag between the noise testing point and the flight track is determined
Include：
Set up coordinate system, to take off or level point is origin, runway centerline and extended line are X-axis to the coordinate system, are hung down
Straight is Y-axis in the direction of runway centerline, is Z axis perpendicular to ground；
Obtain the noise testing point on the coordinate system；
Determine the oblique distance between the noise testing point and the aircraft track, i.e.,Wherein, D
Represent oblique distance, x represents the abscissa of future position, y represents the ordinate of future position, θ represent take off when climbing or land and
Ground angulation.
3. aircraft noise method for visualizing according to claim 1, it is characterised in that described according to the oblique distance and institute
The corresponding relation between oblique distance and EPN effective perceived noise value is stated, determining the EPN effective perceived noise value of noise testing point includes：
Based on EPNL=-0.18*D+128.6, aircraft EPN effective perceived noise value is calculated, wherein, EPNL is effectively to feel to make an uproar
Sound value, D is oblique distance.
4. aircraft noise method for visualizing according to claim 1, it is characterised in that described according to EPN effective perceived noise value
Determine the sensation noise value of aircraft, the sensation noise value is depicted as into countermeasures on noise standard includes：
Based on EPNL=LAmax+15db and PNL=LAmax+13db, the sensation noise value for determining aircraft is calculated, wherein, EPNL
It is the effective perceived noise level of future position aircraft, PNL is the perceived noise level of future position aircraft, and LAmax is maximum A sound levels.
5. aircraft noise method for visualizing according to claim 1, it is characterised in that the acquisition aerodrome condition with
And machine type data, the aerodrome condition include airport and terminal area atmospheric pressure value, temperature, wind speed and wind direction, the type number
According to the absolute altitude including aircraft weight, the length of airfield runway, absolute altitude, latitude and longitude coordinates and guidance station, type, latitude and longitude coordinates,
Also include after magnetic variation：
Judge the aerodrome condition for obtaining；
Wherein, when the aerodrome condition for obtaining is not suitable for measurement noise value, then miscue is shown.
6. a kind of aircraft noise visualization device, it is characterised in that described device includes：
Acquisition module, for obtaining aerodrome condition and flying quality, the aerodrome condition includes airport and terminal area
Atmospheric pressure value, temperature, wind speed and wind direction, the flying quality include aircraft weight, the length of airfield runway, absolute altitude, longitude and latitude
The absolute altitude of coordinate and guidance station, type, latitude and longitude coordinates, magnetic variation；
First computing module, the operation rules for obtaining flithg rules and pilot, and based on the aerodrome condition with
And the flying quality, the 4 D data to aircraft is analyzed calculating, obtains the 4 D data of aircraft；
First fitting module, for obtaining flight track according to 4 D data fitting；
Second computing module, for obtaining noise testing point, according to the noise testing point and the flight track, determines institute
State the oblique distance between noise testing point and the flight track；
Second fitting module, for based on the noise testing point and the aircraft weight, set up tiltedly the oblique distance with it is effective
Corresponding relation between sensation noise value；
3rd computing module, for according to the corresponding relation between the oblique distance and the oblique distance and EPN effective perceived noise value,
Determine the EPN effective perceived noise value of noise testing point；
Drafting module, for determining sensation noise value according to the EPN effective perceived noise value, the sensation noise value is depicted as
Countermeasures on noise standard.
7. aircraft noise visualization device according to claim 6, it is characterised in that second computing module includes：
Set up coordinate system, to take off or level point is origin, runway centerline and extended line are X-axis to the coordinate system, are hung down
Straight is Y-axis in the direction of runway centerline, is Z axis perpendicular to ground；
Obtain the noise testing point on the coordinate system；
Determine the oblique distance between the noise testing point and the aircraft track, i.e.,Wherein, D
Represent oblique distance, x represents the abscissa of future position, y represents the ordinate of future position, θ represent take off when climbing or land and
Ground angulation.
8. aircraft noise visualization device according to claim 6, it is characterised in that the 3rd computing module includes：
Based on EPNL=-0.18*D+128.6, aircraft EPN effective perceived noise value is calculated, wherein, EPNL is effectively to feel to make an uproar
Sound value, D is oblique distance.
9. aircraft noise visualization device according to claim 6, it is characterised in that the drafting module includes：
Based on EPNL=LAmax+15db and PNL=LAmax+13db, the sensation noise value for determining aircraft is calculated, wherein, EPNL
It is the effective perceived noise level of future position aircraft, PNL is the perceived noise level of future position aircraft, and LAmax is maximum A sound levels.
10. aircraft noise visualization device according to claim 6, it is characterised in that described device also includes：
Judge module, for the meteorological condition for judging to obtain, wherein, when the meteorological condition for obtaining is not suitable for measurement noise value,
Then show miscue.
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