CN102074126A - Historical radar data based air traffic flow analysis system and method - Google Patents
Historical radar data based air traffic flow analysis system and method Download PDFInfo
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Abstract
The invention discloses a historical radar data based air traffic flow analysis system and method. Aiming at the defects of air traffic flow analysis mainly, the system is designed. The system comprises a server and at least one client, wherein the server is in communication connection with the client and is used for maintaining a database, carrying out statistical analysis of external data received by the client, and storing the statistical analysis results in the database, and the client is used for providing an interface of user interaction and an interface of the external data and the database. The historical radar data is used as a data source, the long-term time segment statistics of historical flow can be actually carried out, and the playback of a historical track and the statistics of instantaneous flow can be carried out; based on the schedule flight property and the airspace property, the combined query of a specific spatial unit can be carried out, and thus the decision support of flow management and the air traffic control service billing are provided to air traffic controllers, and the quantitative basis is provided to airspace capacity assessment and navigation precision checkout.
Description
Technical field
The present invention relates to the ATFM technical field.
Background technology
ATFM (ATFM, Air Traffic Flow Management) is the very important ingredient of air traffic control (ATM, Air Traffic Management).And how air traffic is carried out statistics and analysis, and the result is used to instruct the assignment problem of following air traffic is important the studying a question and the gordian technique place in ATFM field.
According to the time range of flow analysis effect, can be divided into short-term flow analysis and medium-term and long-term flow analysis to the analysis of air traffic.
Wherein, the short-term flow analysis lays particular emphasis on real-time monitoring, statistics and the prediction to dynamic flow.
Calendar year 2001, the flight flow monitoring subsystem of " Air Traffic Control Command Monitoring System " that people such as Cheng Peng introduce in paper, by analysis to real time radar flight path data, realized statistics to multiple flight data on flows in the regulatory area of Beijing, comprise the landing dynamic statistics and the prediction in the Capital Airport, the traffic statistics of the full spatial domain of regulatory area, control sector, guidance station and location point and main air route section.2003, Peng Ying adopts the method for reckoning, utilize flight schedule, flight planning is responded with and radar data, calculate that aircraft arrives the time of each point, thereby the flow of following each way point of certain time period, course line and sector is estimated and predict, and developed area, Guangzhou air traffic and added up and prognoses system.2007, Kun Wu, quietly surplus different aircraft models is set up model, adopt flight planning prediction flight to arrive time of way point and regulatory area, and revise with real-time radar data and meteorologic information, thus the accuracy and the reliability of raising volume forecasting.
Medium-term and long-term flow analysis then lays particular emphasis on the statistics and analysis to flight flow historical trend.
2001-2002, " air traffic monitoring and prediction " prototype system that people such as Xiang Tiancheng, Luo Meng paper proposes, based on data warehouse technology,, realized statistics to the historical flow of spatial domain units such as sector, air route, specified point by excavation to historical radar data.Because statistic processes has only been utilized the position attribution of flight, makes statistics only comprise flow number information, and then can't realize complicated query and analysis.2005, " statistics of air traffic and prediction " traffic statistics module of subsystem of introducing in people's papers such as Xu Xiaohao realized the statistics of the historical flow of whole regulatory area.Yet this subsystem is only as one of the functional module of whole airspace management and evaluating system (ASMES, The Air Space Management and EvaluationSystem), thereby less than the spatial domain unit of details is more carried out traffic statistics.
Summary of the invention
In order to overcome the deficiency of above-mentioned work, the invention provides a kind of air traffic analytic system and the method that can carry out long-term statistics at times and flight attribute and spatial domain attribute be carried out query composition real historical flow based on historical radar data.
For achieving the above object, the air traffic analytic system based on historical radar data of the present invention comprises: server and at least one client, wherein,
Described server is connected with described client communication, is used for maintenance data base, and the external data that receives through described client is carried out statistical study, and statistic analysis result is stored in the database;
At least one client provides the interface of user interactions and the interface of external data and database.
For achieving the above object, the method for the transport air flow component analysis based on historical radar data of the present invention may further comprise the steps:
Wherein, the data file described in the step 1 comprises: flight path information and spatial domain resource information; Wherein,
Described flight path information comprises: dynamic attribute information and static attribute information; Dynamic attribute information comprises radar data; Static attribute information comprises: airline's information, flight schedule and flight planning table;
Described spatial domain resource information comprises: sector, air route and specified point information.
Described database comprises: the sector flow publishing table of flight path information table, spatial domain resource table, dynamic flight path table, stream of sectors scale, air route flowmeter, specified point flowmeter, driftage flowmeter and at least two different time granularities, air route flow publishing table, specified point flow publishing table and driftage flow publishing table; Wherein,
Described flight path information table and spatial domain resource table are used to preserve the data file that imports through client;
Described dynamic flight path table is used to preserve the flight path information that current time is in the flight in the radar range;
Described stream of sectors scale is used to be kept at the flight path information in certain sector;
Described air route flowmeter is used to be kept at the flight path information on certain air route;
Described specified point flowmeter is used to preserve the flight path information through certain specified point;
Described driftage flowmeter is used for preserving driftage Flight Information and driftage constantly;
The sector flow publishing table of described at least two different time granularities, air route flow publishing table, specified point flow publishing table and driftage flow publishing table are used to preserve the server The result of statistics.
Further, step 1 is implemented as follows:
1.1, client receiving radar data and it is understood one by one, obtain the dynamic attribute information of flight, and in data file, read the static attribute information of this time flight by flight number, the dynamic attribute information and the static attribute associating information of flight are formed a complete flight path information, write in the flight path information table in the database;
1.2, client receives the spatial domain resource information and it directly imported in the spatial domain resource information table in the database.
Further, the statistical study process described in the step 2 is implemented as follows:
2.1, the flight path information table in the database is scanned according to the time order and function order, successively each track points of the flight of current scanning is carried out spatial domain element analysis under the track points in conjunction with described spatial domain resource information table, and judge whether described track points has been present in the dynamic flight path table, be that sector, air route and specified point under the described track points of storing in the dynamic flight path table are updated to affiliated sector, air route and the specified point that present analysis draws; Otherwise, sector, air route and specified point under described track points and the described track points are inserted in the described dynamic flight path table;
2.2, the dynamic flight path table of real time scan, deletion surpasses the track points that the schedule time also do not upgrade.
2.3, the insertion with in step 2.1 and 2.2 dynamic flight path table being carried out, renewal and deletion flight path information, duplicate respectively, be updated in stream of sectors scale, air route flowmeter, specified point flowmeter or the driftage flowmeter by the traffic statistics criterion;
2.4, respectively to the time term of stream of sectors scale, air route flowmeter, specified point flowmeter and driftage flowmeter according to the regularization of certain hour granularity, will belong to flight path information stores in the same time range in each flowmeter in the flow publishing table of corresponding time granularity.
Further, spatial domain element analysis under the track points described in the step 2.1 is implemented as follows:
2.1.1 travel through all sectors in the resource table of described spatial domain, the height of judging track points whether in the current sector height layer that traverses and latitude and longitude coordinates in this sector, be that this sector is sector under the described track points, and continues step 2.1.2; Otherwise, judge whether to travel through all sectors, be, enter step 2.1.2, not, enter next sector, continue this step;
2.1.2, all air routes in the traversal described spatial domain resource table, the height of judging track points whether in the current air route height layer that traverses and latitude and longitude coordinates on this air route, be that this air route is air route under the described track points, and continuation step 2.1.3; Otherwise, judge whether to travel through all air routes, be, enter step 2.1.3, not, enter next air route, continue this step;
2.1.3, all specified points in the traversal described spatial domain resource table, the height of judging track points whether in the current specified point district height layer that traverses and latitude and longitude coordinates in the specified point zone, be that this specified point is the affiliated specified point of described track points; Otherwise, judge whether to travel through all specified points, be, finish to analyze, not, enter next specified point, continue this step.
Further, the traffic statistics criterion described in the step 2.3 is specially:
When in dynamic flight path table, inserting new flight path information,
If this flight path belongs to a certain sector, then duplicate this flight path information in the stream of sectors scale;
If this flight path belongs to a certain air route, then duplicate this flight path information in the flowmeter of air route;
If this flight path belongs to a certain specified point, then duplicate this flight path information and be inserted in the specified point flowmeter;
During a certain flight path information in upgrading dynamic flight path table,
If upgraded the affiliated sector of a certain flight path, then duplicated this flight path information in the stream of sectors scale;
If upgraded the affiliated air route of a certain flight path, then be divided into following 3 kinds of situations:
If this moment, flight path still belonged to certain bar air route, variation on the numerical value has just taken place, then upgrade this flight path and in the flowmeter of air route, be current time constantly in the air route that goes out of corresponding old air route record, simultaneously, insert new air route number and Flight Information in the flowmeter of air route, and the record current time is for entering the new air route moment;
If this moment, flight path did not belong to certain bar air route and it belongs to certain air route in previous moment, then insert old flight number and Flight Information in the driftage flowmeter, the record driftage and is put it and is the driftage state constantly;
If this moment, flight path belonged to certain bar air route and it does not belong to any air route in previous moment, then insert new air route number and Flight Information in the flowmeter of air route, and the record current time will write down the moment that returns the course line simultaneously for entering new air route constantly in the driftage flowmeter;
If upgraded specified point under the flight path, and the value of specified point be sky, then duplicates this flight path information in the specified point flowmeter;
When a certain flight path information of deletion in dynamic flight path table,
If this flight path is not to be in the driftage state, the air route that goes out of then upgrading its corresponding old air route record in the flowmeter of air route is current time constantly;
If the current driftage state that is in of this flight path then upgrades its record in the driftage flowmeter, and the record current time is for leaving the radar scanning scope constantly.
Further, step 2.4 is implemented as follows:
With the time modification of each flight path information of writing down in stream of sectors scale and the specified point flowmeter is the initial moment of affiliated unit's period, and the flight path information in the identical initial moment is stored into respectively in the sector flow publishing table and specified point flow publishing table of this initial moment correspondence;
The time period of each flight path information that air route flowmeter and driftage are write down in the flowmeter is divided into a plurality of time periods according to unit timing statistics section, respectively be revised as the initial moment of affiliated unit's timing statistics section each time period, with the flight path information stores in the identical initial moment in the air route flow publishing table and driftage flow publishing table of this initial moment correspondence.
The present invention has following some beneficial effect:
1, the present invention is a data source with historical radar data, can either carry out long-term statistics at times to real historical flow, can carry out the statistics of playback and instantaneous delivery again to historical flight path;
2, the present invention has realized the omnibearing query composition function based on flight attribute and spatial domain attribute, can provide the decision support of traffic management and the quantitative basis of air traffic control service charging for the controlling officer more effectively.
Description of drawings
Fig. 1 is the structural representation of the air traffic analytic system based on historical radar data of the present invention;
Fig. 2 is the workflow diagram of the transport air flow analysis method based on historical radar data of the present invention;
Fig. 3 is a data preparatory stage process flow diagram;
Fig. 4 is each list structure that database comprised;
Fig. 5 analyzes unit, the described spatial domain of track points process flow diagram for the present invention;
Fig. 6 is for generating dynamic flight path information flow chart;
Fig. 7 inserts the synoptic diagram of flight path information to corresponding flowmeter for dynamic flight path table is inserted when operating;
The modification synoptic diagram of air route flowmeter and driftage flowmeter when Fig. 8 operates for dynamic flight path table is upgraded;
The modification synoptic diagram of Fig. 9 air route flowmeter and driftage flowmeter when dynamic flight path table carried out deletion action;
Figure 10 is cut apart synoptic diagram for time granularity.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is done detailed description.
As shown in Figure 1, the structural representation of the air traffic analytic system based on historical radar data of the present invention.Because the operand of flow analysis system is very big, and concentrates in the process of statistical study.Therefore the present invention has adopted client terminal/server structure as shown in the figure, and representing with the statistical study process of statistics separated, and helps to improve the efficient of system's computing.The present invention includes:
At least one client 1 provides the interface of user interactions, for the user provides operation interface, shows statistics, and provides the interface of external data such as radar data, chart data and database; And
Adopt above-mentioned pattern, make main calculating pressure all concentrate on server 2 ends, client 1 only needs to submit to inquiry and the result that will return shows, the configuration requirement of client 1 main frame is reduced greatly.
In addition, client 1 operates on the different main frames with server 2, and a plurality of clients 1 can connect a server (as shown in fig. 1) through Ethernet 3.After each statistics, server 2 ends keep statistics, and the therefore statistics of a plurality of clients in can shared data bank both avoided double counting to cause the waste of computational resource, can guarantee the consistance of data again.
Air traffic analytic system based on historical radar data of the present invention also can connect a printer 4, and the statistics that is used for inquiring prints.
As shown in Figure 2, the workflow synoptic diagram of the air traffic analytic system based on historical radar data of the present invention.
S1, the data preparatory stage, import external data file 5 by client 1, it is carried out storing in the database 2 after the pre-service.
S2, in the statistical study stage, the data of storing in 2 pairs of databases of server are carried out statistical study, and statistic analysis result is stored in the database manages.
S3, in the result queries stage, client 1 is sent query statement according to querying condition, and server 2 receives query statement and according to the target data in this instruction reading database, and Query Result is back to client 1,1 couple of result of client carries out representing of multiple modes such as form, picture.
Respectively above-mentioned three phases is further described below.
One, the data preparatory stage, client receives external data file, and it is carried out being directed in the database after the pre-service;
Wherein, as shown in Figure 3, described data file comprises: flight path information and spatial domain resource information; Wherein, described flight path information comprises: dynamic attribute information and static attribute information; Dynamic attribute information comprises radar data; Static attribute information comprises: airline's information, flight schedule and flight planning table; Described spatial domain resource information comprises: sector, air route and specified point information.
As shown in Figure 4, described database comprises: the sector flow publishing table of flight path information table, spatial domain resource table, dynamic flight path table, stream of sectors scale, air route flowmeter, specified point flowmeter, driftage flowmeter and at least two different time granularities, air route flow publishing table, specified point flow publishing table and driftage flow publishing table, the corresponding flow publishing table that generates 3 different time granularities of each flowmeter as shown in the figure.
Wherein, described flight path information table and spatial domain resource table are used to preserve the data file that imports after the client pre-service; Described dynamic flight path table, be used for preserving the flight path information that current time (the indicated moment of time field of the just current flight path information table track recording that scans) is in the flight in the radar range, it is local copies to the content in the flight path information table, along with the variation of system time, dynamically the record of being preserved in the flight path table is also brought in constant renewal in thereupon.Described each flowmeter is to the division on the Spatial Dimension of flight path information.The stream of sectors scale is kept at the flight path information in certain sector, the air route flowmeter is kept at (and departing from certain air route) the flight path information on certain air route, the driftage flowmeter is preserved the driftage Flight Information and the driftage moment, and the specified point flowmeter is preserved the flight path information through certain specified point.Described each flow publishing table is that flight path information is done division on the further time dimension, the corresponding flow publishing table that generates a plurality of different time granularities of each flowmeter.The flow publishing table has been preserved the net result of statistical study, and the statistics that the user checks is just to the query composition of this table.The result that the each statistics of user is obtained is kept in the flow publishing table, in order to checking.
As shown in Figure 3, this step is specially:
1.1, client receiving radar data and it is understood one by one, obtain the dynamic attribute information of flight, and in data file, read the static attribute information of this time flight by flight number, the dynamic attribute information and the static attribute associating information of flight are formed a complete radar track information, write in the flight path information table in the database;
1.2, client receives the spatial domain resource information and it directly imported in the spatial domain resource information table in the database.
Wherein, described radar data is the binary file with certain format, with the form storage of message; The dynamic attribute of a certain certain flight of the moment of each bar message accounting, mainly comprise the latitude and longitude coordinates of this flight, highly, speed, direction etc.Described static attribute is by airline's information, flight schedule and flight planning table record, and it comprises: affiliated airline, the world/domestic flight, take off/landing station and take off/land constantly etc.The spatial domain resource information comprises the attributes such as position coordinates, title and height layer of specified point, air route and sector, to have the excel form stores of specific format, can directly import in the database.
2, the statistical study stage, the specific implementation step is as follows:
2.1 generate dynamic flight path information, and be inserted in the dynamic flight path table, be implemented as follows:
As shown in Figure 6, after data are ready to complete, the flight path information table in the database is scanned according to the time order and function order, simulate historical air traffic situation with this.Simultaneously, successively each track points of the flight of current scanning is carried out spatial domain element analysis under the track points in conjunction with described spatial domain resource information table, and judge whether described track points has been present in the dynamic flight path table, be that sector, air route and specified point under the described track points of storing in the dynamic flight path table are updated to affiliated sector, air route and the specified point that present analysis draws; Otherwise, sector, air route and specified point under described track points and the described track points are inserted in the described dynamic flight path table;
2.2 the dynamic flight path table of real time scan, the track points of deleting certain flight that does not also upgrade above the schedule time.
Wherein, the spatial domain resource all has certain altitude, so can regard the column of 3 dimension spaces as, wherein, the end of sector is an irregular polygon, and the end in air route is parallelogram (perhaps regarding the straight-line segment with certain width as), and the end of specified point is circular.Spatial domain element analysis such as a mistake under the track points! Do not find Reference source.Shown in, when judging, whether the height that calculates track points earlier is in the height layer of unit, spatial domain, and whether the latitude and longitude coordinates of calculating track points then is in the plane of unit, spatial domain, to reduce calculated amount.It is implemented as follows:
(1) all sectors in the traversal described spatial domain resource table, the height of judging track points whether in the current sector height layer that traverses and latitude and longitude coordinates in this sector, be that this sector is sector under the described track points, and continuation step 2.1.2; Otherwise, judge whether to travel through all sectors, be, enter step 2.1.2, not, enter next sector, continue this step;
(2) all air routes in the traversal described spatial domain resource table, the height of judging track points whether in the current air route height layer that traverses and latitude and longitude coordinates on this air route, be that this air route is air route under the described track points, and continuation step 2.1.3; Otherwise, judge whether to travel through all air routes, be, enter step 2.1.3, not, enter next air route, continue this step;
(3) all specified points in the traversal described spatial domain resource table, the height of judging track points whether in the current specified point district height layer that traverses and latitude and longitude coordinates in the specified point zone, be that this specified point is the affiliated specified point of described track points; Otherwise, judge whether to travel through all specified points, be, finish to analyze, not, enter next specified point, continue this step.
2.3 generate spatial domain unit of flow information
Soon insertion, renewal and the deletion flight path information of in the step 2.1 and 2.2 dynamic flight path table being carried out is duplicated respectively, is updated in stream of sectors scale, air route flowmeter, specified point flowmeter or the driftage flowmeter by the traffic statistics criterion.Be specially:
2.3.1 insert new flight path information
Dynamically the insertion of flight path table operation is to the modification situation such as the mistake of each flowmeter! Do not find Reference source.Shown in.
If this flight path belongs to certain sector, promptly its sector is not empty, then duplicates this flight path information in the stream of sectors scale;
If this flight path belongs to certain bar air route (not that is to say and drift off the course), promptly its air route is not empty, then duplicates this flight path information in the flowmeter of air route;
If this flight path belongs to certain specified point, promptly its specified point is not empty, then duplicates this flight path information and is inserted in the specified point flowmeter.
2.3.2 upgrade flight path information
Dynamically the renewal of flight path table operation is to the modification situation such as the mistake of each flowmeter! Do not find Reference source.Shown in.
If upgraded the affiliated sector of flight path, then duplicated this flight path information in the stream of sectors scale.
If upgraded the affiliated air route of flight path, then be divided into following 3 kinds of situations:
If this moment, flight path still belonged to certain bar air route (promptly not going off course), variation on the numerical value has just taken place, then upgrade this flight path and in the flowmeter of air route, be current time constantly in the air route that goes out of corresponding old air route record, simultaneously, insert new air route number and Flight Information in the flowmeter of air route, and the record current time is for entering the new air route moment;
If this moment, flight path did not belong to certain bar air route and it belongs to certain air route in previous moment, illustrate that flight is in the driftage state, then insert old flight number and Flight Information in the driftage flowmeter, the record driftage constantly, and to put it be the driftage state;
If this moment, flight path belonged to certain bar air route and it does not belong to any air route in previous moment, illustrate that then flight returns normal condition from driftage, then to insert new air route number and Flight Information in the flowmeter of air route, and the record current time will write down the moment that returns the course line simultaneously for entering new air route constantly in the driftage flowmeter.
If upgraded specified point under the flight path, and the value of specified point be sky, then duplicates this flight path information in the specified point flowmeter.
2.3.3 deletion flight path information
Dynamically the deletion action of flight path table is to the modification situation such as the mistake of each flowmeter! Do not find Reference source.Shown in.
If this flight path is not to be in the driftage state, the air route that goes out of upgrading its corresponding old air route record so in the flowmeter of air route is current time constantly;
If the current driftage state that is in of this flight path then upgrade its old flight path information in the driftage flowmeter, and the record current time is for leaving the radar scanning scope constantly.
Finish after the scanning to the flight path information table, just obtained the stream of sectors scale, the air route flowmeter, next driftage flowmeter and specified point flowmeter generate the flow publishing table that is used for statistical period flow information.
2.4 generating at times, flow releases news
Promptly respectively to the time term of stream of sectors scale, air route flowmeter, specified point flowmeter and driftage flowmeter according to the regularization of certain hour granularity, will belong to flight path information stores in the same time range in each flowmeter in the flow publishing table of corresponding time granularity.
The flow publishing table designs in order to realize complicated query composition.The generation of flow publishing table is actually time term to stream of sectors scale, air route flowmeter, specified point flowmeter and driftage flowmeter according to certain hour granularity (as: 15 minutes/30 minutes/60 minutes) regularization.The following process of the generation of each flow publishing table is as follows:
To stream of sectors scale and specified point flowmeter, owing to only write down the moment that flight is in a certain sector or passes through a certain specified point, so the time modification of each flight path information that will write down in stream of sectors scale and the specified point flowmeter is the initial moment of affiliated unit's period, if with 30 minutes was unit, then 17:40 divides the regular 17:30 that is, if with 1 hour be unit, then 17:40 divide regular for 17:00, by that analogy; Then, the flight path information with the identical initial moment stores into respectively in the sector flow publishing table and specified point flow publishing table of this initial moment correspondence;
To air route flowmeter and driftage flowmeter, because a certain flight is in certain air route or to depart from certain air route be a lasting state, this persistent state may be crossed over a plurality of units statistical time range, so will the air route flowmeter and the driftage flowmeter in time period of each flight path information of writing down be divided into a plurality of time periods according to unit timing statistics section, respectively be revised as the initial moment of affiliated unit's timing statistics section each time period, as mistake! Do not find Reference source.Shown in: if with 30 minutes be unit, flight enters certain air route at 17:20, leaves certain air route at 18:12, then should be divided into 3 time periods, and these 3 time periods are revised as 17:00,17:30,18:00 has promptly generated three track recordings; Then, with the flight path information stores in the identical initial moment in the air route flow publishing table and driftage flow publishing table of this initial moment correspondence.
Deposit in the corresponding flow publishing table through the record in the flowmeter after the above-mentioned processing.Because all flight path information has all obtained reservation, if will add up, only need with these condition combinations the grouping query function of application data base to the flight flow that meets some combination condition, to be the branch set condition through the regular time, all qualified record counts get final product in the statistics group.
The process that traffic statistics are analyzed is mistake just from the generative process of above-mentioned steps 2.1～2.4 data! Do not find Reference source.Shown in the process that generates one by one from top to bottom of each table.
3, the result queries stage, the specific implementation step is as follows:
The result of traffic statistics is divided into instantaneous delivery and two parts of flow at times.
In the statistical study process, by the flight path data in the dynamic flight path table are presented on the client in patterned mode, can real time monitoring current (institute's playback) air traffic situation constantly, and the instantaneous delivery of real-time this historical juncture of statistics.
After statistical study is finished, then can carry out query composition to the flow at times of history by the flow publishing table.The controlling officer selects querying condition and generated query order by client, and server end receives querying command and the result is sent to client, and client is showed the result again.For satisfying dirigibility, can make up the various conditions of flight attribute the flow statistics is inquired about flow analysis result's inquiry; Simultaneously, statistics is adopted the displaying of modes such as histogram, pie chart, form.The first half at all interfaces of client is provided with querying condition, and the latter half shows Query Result, also can carry out self-defined to the display mode of the font of discharge diagram, coordinate axis, mesh lines, legend etc.For ease of the use of data, Query Result can also print, and perhaps saves as the alternative document form.
More than; only be preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (9)
1. air traffic analytic system based on historical radar data is characterized in that described system comprises: server and at least one client, wherein,
Described server is connected with described client communication, is used for maintenance data base, and the external data that receives through described client is carried out statistical study, and statistic analysis result is stored in the database;
At least one client provides the interface of user interactions and the interface of external data and database.
2. the method based on the transport air flow component analysis of historical radar data is characterized in that, may further comprise the steps:
Step 1, client carry out being directed in the database after the pre-service to the data file that receives;
Step 2, server carry out statistical study to the data of storing in the database, and statistic analysis result is stored in the database manages;
Step 3, client are sent query statement according to querying condition, and server receives query statement and according to the target data in this instruction reading database, and Query Result is back to client.
3. according to the method for the described transport air flow component analysis based on historical radar data of claim 2, it is characterized in that the data file described in the step 1 comprises: flight path information and spatial domain resource information; Wherein,
Described flight path information comprises: dynamic attribute information and static attribute information; Dynamic attribute information comprises radar data; Static attribute information comprises: airline's information, flight schedule and flight planning table;
Described spatial domain resource information comprises: sector, air route and specified point information.
4. according to the method for the described transport air flow component analysis based on historical radar data of claim 2, it is characterized in that described database comprises: the sector flow publishing table of flight path information table, spatial domain resource table, dynamic flight path table, stream of sectors scale, air route flowmeter, specified point flowmeter, driftage flowmeter and at least two different time granularities, air route flow publishing table, specified point flow publishing table and driftage flow publishing table; Wherein,
Described flight path information table and spatial domain resource table are used to preserve the data file that imports through client;
Described dynamic flight path table is used to preserve the flight path information that current time is in the flight in the radar range;
Described stream of sectors scale is used to be kept at the flight path information in certain sector;
Described air route flowmeter is used to be kept at the flight path information on certain air route;
Described specified point flowmeter is used to preserve the flight path information through certain specified point;
Described driftage flowmeter is used for preserving driftage Flight Information and driftage constantly;
The sector flow publishing table of described at least two different time granularities, air route flow publishing table, specified point flow publishing table and driftage flow publishing table are used to preserve the server The result of statistics.
5. according to the method for claim 2 or 3 described transport air flow component analysis based on historical radar data, it is characterized in that step 1 is implemented as follows:
1.1, client receiving radar data and it is understood one by one, obtain the dynamic attribute information of flight, and in data file, read the static attribute information of this time flight by flight number, the dynamic attribute information and the static attribute associating information of flight are formed a complete flight path information, write in the flight path information table in the database;
1.2, client receives the spatial domain resource information and it directly imported in the spatial domain resource information table in the database.
6. according to the method for claim 2,3 or 5 described transport air flow component analysis based on historical radar data, it is characterized in that the statistical study process described in the step 2 is implemented as follows:
2.1, the flight path information table in the database is scanned according to the time order and function order, successively each track points of the flight of current scanning is carried out spatial domain element analysis under the track points in conjunction with described spatial domain resource information table, and judge whether described track points has been present in the dynamic flight path table, be that sector, air route and specified point under the described track points of storing in the dynamic flight path table are updated to affiliated sector, air route and the specified point that present analysis draws; Otherwise, sector, air route and specified point under described track points and the described track points are inserted in the described dynamic flight path table;
2.2, the dynamic flight path table of real time scan, deletion surpasses the track points that the schedule time also do not upgrade.
2.3, the insertion with in step 2.1 and 2.2 dynamic flight path table being carried out, renewal and deletion flight path information, duplicate respectively, be updated in stream of sectors scale, air route flowmeter, specified point flowmeter or the driftage flowmeter by the traffic statistics criterion;
2.4, respectively to the time term of stream of sectors scale, air route flowmeter, specified point flowmeter and driftage flowmeter according to the regularization of certain hour granularity, will belong to flight path information stores in the same time range in each flowmeter in the flow publishing table of corresponding time granularity.
7. according to the method for the described transport air flow component analysis based on historical radar data of claim 6, it is characterized in that spatial domain element analysis under the track points described in the step 2.1 is implemented as follows:
2.1.1 travel through all sectors in the resource table of described spatial domain, the height of judging track points whether in the current sector height layer that traverses and latitude and longitude coordinates in this sector, be that this sector is sector under the described track points, and continues step 2.1.2; Otherwise, judge whether to travel through all sectors, be, enter step 2.1.2, not, enter next sector, continue this step;
2.1.2, all air routes in the traversal described spatial domain resource table, the height of judging track points whether in the current air route height layer that traverses and latitude and longitude coordinates on this air route, be that this air route is air route under the described track points, and continuation step 2.1.3; Otherwise, judge whether to travel through all air routes, be, enter step 2.1.3, not, enter next air route, continue this step;
2.1.3, all specified points in the traversal described spatial domain resource table, the height of judging track points whether in the current specified point district height layer that traverses and latitude and longitude coordinates in the specified point zone, be that this specified point is the affiliated specified point of described track points; Otherwise, judge whether to travel through all specified points, be, finish to analyze, not, enter next specified point, continue this step.
8. according to the method for the described transport air flow component analysis based on historical radar data of claim 6, it is characterized in that the traffic statistics criterion described in the step 2.3 is specially:
When in dynamic flight path table, inserting new flight path information,
If this flight path belongs to a certain sector, then duplicate this flight path information in the stream of sectors scale;
If this flight path belongs to a certain air route, then duplicate this flight path information in the flowmeter of air route;
If this flight path belongs to a certain specified point, then duplicate this flight path information and be inserted in the specified point flowmeter;
During a certain flight path information in upgrading dynamic flight path table,
If upgraded the affiliated sector of a certain flight path, then duplicated this flight path information in the stream of sectors scale;
If upgraded the affiliated air route of a certain flight path, then be divided into following 3 kinds of situations:
If this moment, flight path still belonged to certain bar air route, variation on the numerical value has just taken place, then upgrade this flight path and in the flowmeter of air route, be current time constantly in the air route that goes out of corresponding old air route record, simultaneously, insert new air route number and Flight Information in the flowmeter of air route, and the record current time is for entering the new air route moment;
If this moment, flight path did not belong to certain bar air route and it belongs to certain air route in previous moment, then insert old flight number and Flight Information in the driftage flowmeter, the record driftage and is put it and is the driftage state constantly;
If this moment, flight path belonged to certain bar air route and it does not belong to any air route in previous moment, then insert new air route number and Flight Information in the flowmeter of air route, and the record current time will write down the moment that returns the course line simultaneously for entering new air route constantly in the driftage flowmeter;
If upgraded specified point under the flight path, and the value of specified point be sky, then duplicates this flight path information in the specified point flowmeter;
When a certain flight path information of deletion in dynamic flight path table,
If this flight path is not to be in the driftage state, the air route that goes out of then upgrading its corresponding old air route record in the flowmeter of air route is current time constantly;
If the current driftage state that is in of this flight path then upgrades its record in the driftage flowmeter, and the record current time is for leaving the radar scanning scope constantly.
9. according to the method for the described transport air flow component analysis based on historical radar data of claim 6, it is characterized in that step 2.4 is implemented as follows:
With the time modification of each flight path information of writing down in stream of sectors scale and the specified point flowmeter is the initial moment of affiliated unit's period, and the flight path information in the identical initial moment is stored into respectively in the sector flow publishing table and specified point flow publishing table of this initial moment correspondence;
The time period of each flight path information that air route flowmeter and driftage are write down in the flowmeter is divided into a plurality of time periods according to unit timing statistics section, respectively be revised as the initial moment of affiliated unit's timing statistics section each time period, with the flight path information stores in the identical initial moment in the air route flow publishing table and driftage flow publishing table of this initial moment correspondence.
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