CN101510364A - Device and method for reducing screen display complex degree - Google Patents
Device and method for reducing screen display complex degree Download PDFInfo
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- CN101510364A CN101510364A CNA2009100791420A CN200910079142A CN101510364A CN 101510364 A CN101510364 A CN 101510364A CN A2009100791420 A CNA2009100791420 A CN A2009100791420A CN 200910079142 A CN200910079142 A CN 200910079142A CN 101510364 A CN101510364 A CN 101510364A
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Abstract
The invention relates to a device and a method for lowering the complexity of screen display. The method adopts the technical proposal that a threshold value of the number of displaying the current plane; if the number of the plane in an automatic dependent surveillance broadcast mode plane data chained list and/or an automatic dependent surveillance broadcast mode message is above the threshold value of the number of displaying the current plane, the automatic dependent surveillance broadcast mode plane data chained list and/or the automatic dependent surveillance broadcast mode message is filtered. The invention lowers the display complexity of a CDTI display screen by dynamically modifying the number of displaying the current plane, and filtering the ADS-B message and the ADS-B plane data chained list.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of apparatus and method that reduce screen display complex degree.
Background technology
The basic goal of air traffic control is to make aircraft safety on the course line, effectively and in a planned way fly in the spatial domain.In order to carry out air traffic control, the ground controller need carry out real time monitoring to the state of flight of aircraft in the control zone, the pilot then shows transport information (Cockpit Display Traffic Information by being equipped with passenger cabin, hereinafter to be referred as: CDTI) system of display obtains traffic situation, landform and the geodata information in this machine periphery spatial domain and the relevant information that determines based on the airborne equipment function, for example: the image of flight collision, voice suggestion.Automatic dependent surveillance broadcast (Automatic dependent surveillance-broadcast, hereinafter to be referred as: ADS-B) can provide above-mentioned information for the pilot.ADS-B utilizes aircraft to broadcast the precise location information that is generated by airborne satellite-based navigation and positioning system automatically, uphole equipment and other aircrafts receive this information by aeronautical data chain, and satellite system, aircraft and ground based system are realized the integrative coordinated supervision in the empty world by the high-speed data chain.As an important surveillance technology in the following new navigation system, advantage such as ADS-B has that data message is detailed, precision is high, turnover rate is high, applied range, uphole equipment construction and maintenance cost are low.ADS-B is comprehensive flight path data, local state and the information such as conflict, near-earth alarm of landform in the certain limit of center and geographical electronic map data, peripheral aircraft by the CDTI display for the pilot provides with this machine.
But, be subjected to the restriction of the factors such as screen size, resolution and display precision of CDTI display, after if information such as the aircraft figure of the need sign that the map datum in the certain limit, alarm prompt, particularly ADS-B obtain and label too much produce mutual interference mutually, screen will seem too " in a jumble ", the information that the screen acquisition that makes the pilot can not pass through the CDTI display well needs.
In the face of this problem, disposal route commonly used is to reduce the maximum indication range and the maximum aircraft number that shows of CDTI display, thereby reduces the aircraft that need identify on screen.At present, also do not show under the situation of number, realize that mixed scheme falls in the CDTI display in maximum indication range that does not change the CDTI display and maximum aircraft.
Summary of the invention
The invention provides a kind of apparatus and method that reduce screen display complex degree, show under the situation of number the screen display complex degree of reduction CDTI display in order to be implemented in the maximum indication range and the maximum aircraft that do not change the CDTI display.
The invention provides a kind of device that reduces screen display complex degree, comprising:
Passenger cabin shows the traffic information system parameter configuration module, is used to dispose indication range threshold value, aircraft demonstration number threshold value and filtering rule parameter information;
Aircraft shows the number control module, be used for showing that according to the status information and the described passenger cabin of current indication range, system's enhancement function the described aircraft of traffic information system parameter configuration module configuration shows the number threshold value, obtain current aircraft and show the number threshold value, and according to described current aircraft demonstration number threshold value, filter broadcast formula automatic dependent surveillance airplane data chained list/or the Automatic dependent surveillance broadcast message;
Passenger cabin shows transport information filtering rule control module, be used for showing that according to described aircraft the described current aircraft that the number control module is obtained shows that number threshold value and described passenger cabin show the described filtering rule parameter information of traffic information system parameter configuration module configuration, filter described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message;
Automatic dependent surveillance broadcast airplane data chained list administration module, be used for if the aircraft number of described Automatic dependent surveillance broadcast airplane data chained list shows that more than or equal to described aircraft the described current aircraft that the number control module is obtained shows the number threshold value, trigger described passenger cabin demonstration transport information filtering rule control module and filter described Automatic dependent surveillance broadcast airplane data chained list and described Automatic dependent surveillance broadcast message.
The invention provides a kind of method that reduces screen display complex degree, comprising:
Obtain current aircraft and show the number threshold value;
If the aircraft number in Automatic dependent surveillance broadcast airplane data chained list and/or the Automatic dependent surveillance broadcast message shows the number threshold value greater than described current aircraft, filter described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message.
The apparatus and method of reduction screen display complex degree provided by the invention show number by on-the-fly modifying current aircraft, filter ADS-B message and ADS-B airplane data chained list, have reduced the screen display complex degree of CDTI display.
Description of drawings
Fig. 1 reduces the structural representation of device first embodiment of screen display complex degree for the present invention;
Fig. 2 reduces the structural representation that aircraft among device second embodiment of screen display complex degree shows the number control module for the present invention;
Fig. 3 reduces the structural representation of CDTI filtering rule control module among device second embodiment of screen display complex degree for the present invention;
Fig. 4 reduces the structural representation of ADS-B airplane data chained list administration module among device second embodiment of screen display complex degree for the present invention;
Fig. 5 reduces the process flow diagram of method first embodiment of screen display complex degree for the present invention;
Fig. 6 reduces the process flow diagram that filters ADS-B airplane data chained list and/or ADS-B message among method second embodiment of screen display complex degree for the present invention;
Fig. 7 reduces the process flow diagram that control aircraft among method second embodiment of screen display complex degree shows number for the present invention;
Fig. 8 reduces the process flow diagram of management ADS-B airplane data chained list among method second embodiment of screen display complex degree for the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Reduce device first embodiment of screen display complex degree
As shown in Figure 1, for the present invention reduces the structural representation of device first embodiment of screen display complex degree, specifically can comprise: CDTI systematic parameter configuration module 11, aircraft show number control module 12, CDTI filtering rule control module 13 and ADS-B airplane data chained list administration module 14.
Wherein, CDTI systematic parameter configuration module 11 is used to dispose the indication range threshold value, aircraft shows number threshold value and filtering rule parameter information.Particularly, after system powered on normal the startup, CDTI systematic parameter configuration module 11 was configured with relevant filtering rule parameter current system operational parameters by configuration file or port input system parameter, used for other module.Wherein, after the system start-up, the parameters that at first will need to load is reset to 0, reads the configuration file on the internal storage simultaneously, and can the receiving port input carry out parameter configuration.When failing to read or receive relevant configuration parameter in the certain hour interval, system carries out assignment according to default value to the parameter item that does not dispose automatically then.The parameter of configuration can comprise that specifically maximum or minimum indication range, the aircraft of system's operate as normal needs show display parameter and filtering rule parameters such as difference in height, operating distance such as number threshold value.
Aircraft shows that number control module 12 is used for showing the number threshold value according to the status information of current indication range, system's enhancement function and the aircraft of CDTI systematic parameter configuration module 11 settings, obtain current aircraft and show the number threshold value, and, filter ADS-B airplane data chained list and/or ADS-B message according to current aircraft demonstration number threshold value.Particularly, aircraft shows that number control module 12 shows information such as number threshold value according to the current indication range of CDTI display, the status information of system's enhancement function and the aircraft that CDTI systematic parameter configuration module 11 is provided with, calculate under the current state aircraft number threshold value that can be shown by the CDTI display, and show that according to current aircraft the number threshold value on-the-fly modifies the ADS-B message of ADS-B flying quality chained list and/or reception.
CDTI filtering rule control module 13 is used for showing that according to aircraft the current aircraft that number control module 12 is obtained shows the filtering rule parameter information that number threshold value and CDTI systematic parameter configuration module 11 dispose, and filters ADS-B airplane data chained list and/or ADS-B message.Particularly, CDTI filtering rule control module 13 can be according to the flight path data message of systematic parameter such as the current ADS-B aircraft number that can be shown by the CDTI display and this machine and other ADS-B aircraft, and calculating, determine and filtering needs the aircraft that filters in ADS-B message and/or the ADS-B airplane data chained list.
ADS-B airplane data chained list administration module 14 is used for triggering CDTI filtering rule control module 13 and filtering ADS-B airplane data chained list and ADS-B message if the aircraft number of ADS-B airplane data chained list shows that more than or equal to aircraft the current aircraft that the number control module is obtained shows the number threshold value.Particularly, ADS-B airplane data chained list administration module 14 receives, handles and add up the ADS-B message from other aircraft, will store in the ADS-B airplane data chained list for CDTI system graphing after the conversion of ADS-B message.When the aircraft number that ADS-B message and ADS-B airplane data chained list occur surpasses the filtration of restriction needs, according to certain rule finish ADS-B airplane data chained list increase, deletion, sort and search etc.
Present embodiment shows number by on-the-fly modifying current aircraft, filters ADS-B message and ADS-B airplane data chained list, has reduced the screen display complex degree of CDTI display.
Reduce device second embodiment of screen display complex degree
As shown in Figure 2, reduce the structural representation that aircraft among device second embodiment of screen display complex degree shows the number control module for the present invention, be that with the difference of structural representation shown in Figure 1 aircraft shows that number control module 12 specifically can comprise acquiring unit 121, the 3rd judging unit 122, second trigger element 123, the 4th judging unit 124, filter element 125, the 5th judging unit 126 and second computing unit 127.
Wherein, acquiring unit 121 is used to obtain current demonstration number threshold value; Second computing unit 127 is used for changing when the status information of system's enhancement function, shows the number threshold value according to the aircraft before the status information of the system's enhancement function after changing, current indication range and the variation, calculates current aircraft and shows the number threshold value; For example: if open collision detection, then current aircraft shows that the number threshold value subtracts 10 for the aircraft before changing shows the number threshold value, if close collision detection, then current aircraft shows that the number threshold value adds 10 for the aircraft before changing shows the number threshold value; If the status information of system's enhancement function does not change, then aircraft shows that the number threshold value remains unchanged.Wherein, if before the state of this subsystem enhancement function changes, variation did not take place in the state of system's enhancement function, then the aircraft before this variation shows that the number threshold value is the aircraft demonstration number threshold value of CDTI systematic parameter configuration module 11 configurations, if variation once took place before the status information of system's enhancement function, then the demonstration of the aircraft before this variations number threshold value is the aircraft demonstration number threshold value that calculates after the status information of last system enhancement function changes.Need to prove that the method for calculating current aircraft demonstration number threshold value in the present embodiment is an example, the present invention is not limited to this a kind of method.The 3rd judging unit 122 is used for judging that the current aircraft whether the aircraft number of ADS-B airplane data chained list is calculated greater than second computing unit 127 shows the number threshold value; Second trigger element 123 is used for the judged result according to the 3rd judging unit 122, if the aircraft number in the ADS-B airplane data chained list shows the number threshold value greater than the current aircraft that second computing unit 127 calculates, trigger CDTI filtering rule control module 13 and filter ADS-B airplane data chained list; The 4th judging unit 124 is used to judge whether the current indication range of CDTI display increases; Filter element 125 is used for the judged result according to the 4th judging unit 124, if the current indication range of CDTI display does not increase, filters the aircraft that exceeds current indication range in the ADS-B airplane data chained list; Particularly, the aircraft that directly will exceed current indication range removes; The 5th judging unit 126 is used for the judged result according to the 4th judging unit 124, if the current indication range of CDTI display increases, the current aircraft that obtains according to acquiring unit 121 shows the number threshold value, judges whether to need to filter ADS-B airplane data chained list and the new ADS-B message that receives; Second trigger element 123 also is used for the judged result according to the 5th judging unit 126, if need to filter ADS-B airplane data chained list and the new ADS-B message that receives, trigger CDTI filtering rule control module 13 and filter ADS-B airplane data chained list and the new ADS-B message that receives.
At first, acquiring unit 121 obtains that the aircraft under the current state shows the number threshold value in the current indication range of CDTI display.If the indication range of CDTI display increases, the aircraft number that enters indication range may increase, and this moment, the 5th judging unit 126 need judge whether that needs filter according to the aircraft number of aircraft number in the ADS-B airplane data chained list and initiate ADS-B message correspondence.If the 5th judging unit 126 is judged need to filter, then second trigger element, 123 triggering CDTI filtering rule control modules 13 are removed the aircraft that shows the quantity of number in ADS-B airplane data chained list and the initiate ADS-B message above current aircraft according to filtering rule.If the 5th judging unit 126 is judged do not need to filter, then directly the ADS-B message is inserted in the ADS-B airplane data chained list for demonstration.If the indication range of CDTI display reduces, filter element 125 removes the aircraft that exceeds current indication range in the airplane data chained list; If the status information of the current enhancement function of system changes, for example: collision detection, (on/off) opened or closed to the near-earth alarm function, can show the number threshold value by the current aircraft of influence, at this moment, second computing unit 127 calculates current aircraft and shows the number threshold value, if current aircraft shows the number threshold value and reduces, the 3rd judging unit 122 judges that current aircraft shows that the number threshold value is lower than the object number of ADS-B airplane data chained list, its difference is m, need second trigger element 123 to trigger CDTI filtering rule control modules 13 and remove m aircraft in the ADS-B airplane data chained list by filtering rule, make the aircraft number in the ADS-B airplane data chained list equal current aircraft demonstration number threshold value, thereby satisfy the requirement that shows number, realize that aircraft shows the control of number.
As shown in Figure 3, reduce the structural representation of CDTI filtering rule control module among device second embodiment of screen display complex degree for the present invention, be also that with the difference of a last embodiment CDTI filtering rule control module 13 specifically can comprise first computing unit 131 and first filter element 132.Wherein, first computing unit 131 is used for showing that according to aircraft the current aircraft that number control module 12 is obtained shows the number threshold value, calculates and filters the aircraft number; First filter element 132 is used for the filtering rule parameter information according to 11 configurations of CDTI systematic parameter configuration module, according to filtering rule, filter out the aircraft of the filtration aircraft number of first computing unit, 131 calculating in ADS-B airplane data chained list and/or the ADS-B message.
After first computing unit 131 calculated the current aircraft number that needed to filter to remove, first filter element 132 progressively filtered according to following filtering rule, reached current aircraft and showed that the aircraft number requires directly end process of back:
A) filter and to be positioned at the local side rear, and direction and own ship course angular difference value be 90 °～270 °, promptly increase gradually and do not have the possible aircraft that conflicts with this machine horizontal range; Computing method are as follows:
If this machine is an initial point, a certain aircraft and own ship course angular difference are θ, and the position is (X ', Y '), transform the recoil be designated as (X, Y),
Y＝X′×cosθ+Y′×sinθ
When Y≤0 and θ=90 °～270 °, then delete this aircraft;
B) if the difference of the barometer altitude of a certain aircraft and this aircraft location corresponding height value in topographic database less than N1m, is then filtered this aircraft, i.e. filtration is in ground or height is spent low aircraft;
C) filter with the vertical drop of this machine greater than N3m, perhaps with the vertical drop of this machine greater than the aircraft that N2m and relative height difference increase gradually, promptly filter the possible aircraft that conflicts with the excessive nothing of this machine vertical drop;
D) calculate the longitude and latitude difference of ADS-B message and ADS-B chain table object and this machine and be converted to range difference, with the range difference is that order code carries out Straight Insertion Sort to the ADS-B chained list according to the order of successively decreasing, deletion ADS-Bd) calculates the longitude and latitude difference of ADS-B message and ADS-B chain table object and this machine and be converted to range difference, with the range difference is that order code carries out Straight Insertion Sort to the ADS-B chained list according to the order of successively decreasing, the aircraft that residue need be filtered in the deletion ADS-B chained list; Wherein, when transforming range difference, specifically longitude conversion is revised by the place latitude.
CDTI filtering rule control module 13 can reduce object number in the ADS-B chained list, makes it show the number threshold value less than CDTI, reaches the purpose of filtering unnecessary aircraft.
As shown in Figure 4, reduce the structural representation of ADS-B airplane data chained list administration module among device second embodiment of screen display complex degree for the present invention, on the basis of technical scheme shown in Figure 1, ADS-B airplane data chained list administration module 14 specifically can comprise first judging unit 142, second judging unit 143, the 6th judging unit 144 and first trigger element 145.
Wherein, first judging unit 142 is used for the message according to ADS-B, judges whether the aircraft that sends the ADS-B message is in the current indication range of CDTI display; Second judging unit 143 is used for the judged result according to first judging unit 142, be in the current indication range of CDTI display if send the aircraft of ADS-B message, judge whether the address number of the aircraft that sends the ADS-B message is stored in the ADS-B airplane data chained list; The 6th judging unit 144 is used for the judged result according to second judging unit 143, be not stored in the ADS-B airplane data chained list if send the address number of the aircraft of ADS-B message, judge whether the aircraft number in the ADS-B airplane data chained list shows that more than or equal to aircraft the current aircraft that the number control module is obtained shows the number threshold value; First trigger element 145 is used for the judged result according to the 6th judging unit 144, if the aircraft number in the ADS-B airplane data chained list shows that more than or equal to aircraft the current aircraft that the number control module is obtained shows the number threshold value, trigger CDTI filtering rule control module 13 and filter ADS-B message and ADS-B airplane data chained list.
At first, first judging unit 142 is converted into distance with the longitude and latitude difference of the position data of the position data of ADS-B message and this machine, and whether judging distance is in the current indication range of CDTI display, as corresponding airplane data in the ADS-B airplane data chained list, otherwise the 6th judging unit 144 is judged the aircraft number of ADS-B airplane data chained list and whether is reached the current aircraft demonstration number threshold value of CDTI display; If the aircraft number of ADS-B airplane data chained list shows the number threshold value less than current aircraft, directly this airplane data is added in the ADS-B airplane data chained list, and according to the relative distance of order with the aircraft in the ADS-B airplane data chained list and this machine of successively decreasing is that order code is realized Straight Insertion Sort, if the aircraft number of ADS-B airplane data chained list shows the number threshold value more than or equal to current aircraft, then first trigger element, 145 triggering CDTI filtering rule control modules 13 are removed minimum ADS-B message of importance or ADS-B airplane data according to filtering rule successively with the airplane data in this ADS-B message and the ADS-B airplane data chained list, at last when the aircraft number in the ADS-B airplane data chained list equals current aircraft and shows the number threshold value, according to the relative distance of order with the aircraft in the ADS-B airplane data chained list and this machine of successively decreasing is that order code is realized Straight Insertion Sort, because the order of relative this machine range difference of each aircraft changes not quite in each refresh cycle, Straight Insertion Sort is stable and efficient is higher.
When present embodiment changes by the status information in indication range and system's enhancement function, on-the-fly modify current aircraft and show number, filter ADS-B message and ADS-B airplane data chained list, reduced the screen display complex degree of CDTI display.
In addition, present embodiment is easy to implement on engineering, and rule definition is clear and definite, and it is less to increase calculated amount, and that can realize screen effectively falls confusion automatically.
Reduce method first embodiment of screen display complex degree
As shown in Figure 5, the process flow diagram for the present invention reduces method first embodiment of screen display complex degree specifically can comprise the steps:
Present embodiment shows the number threshold value by on-the-fly modifying current aircraft, filters ADS-B message and/or ADS-B airplane data chained list, has reduced the screen display complex degree of CDTI display.
Reduce method second embodiment of screen display complex degree
As shown in Figure 6, reduce the process flow diagram that filters ADS-B airplane data chained list and/or ADS-B message among method second embodiment of screen display complex degree for the present invention, on the basis of technical scheme shown in Figure 5, filtration ADS-B airplane data chained list and/or ADS-B message specifically can comprise the steps: in the step 52
Particularly, this filtration aircraft number exceeds the aircraft number that current aircraft shows the number threshold value for filtering in ADS-B airplane data chained list and/or the ADS-B message;
Wherein, this filtering rule parameter information can be imported or be configured according to default value by the configuration file, the receiving port that read on the internal storage in system start-up the time.
In step 62, specifically can filter ADS-B airplane data chained list and/or ADS-B message according to following filtering rule, reach current aircraft and show that the aircraft number requires directly end process of back:
A) filter and to be positioned at the local side rear, and direction and own ship course angular difference value be 90 °～270 °, promptly increase gradually and do not have the possible aircraft that conflicts with this machine horizontal range; Computing method are as follows:
If this machine is an initial point, a certain aircraft and own ship course angular difference are θ, and the position is (X ', Y '), transform the recoil be designated as (X, Y),
Y＝X′×cosθ+Y′×sinθ
When Y≤0 and θ=90 °～270 °, then delete this aircraft;
B) if the difference of the barometer altitude of a certain aircraft and this aircraft location corresponding height value in topographic database less than N1m, is then filtered this aircraft, i.e. filtration is in ground or height is spent low aircraft;
C) filter with the vertical drop of this machine greater than N3m, perhaps with the vertical drop of this machine greater than the aircraft that N2m and relative height difference increase gradually, promptly filter the possible aircraft that conflicts with the excessive nothing of this machine vertical drop;
D) calculate the longitude and latitude difference of object in ADS-B message and/or the ADS-B airplane data chained list and this machine and be converted to range difference, with the range difference is that order code carries out Straight Insertion Sort to ADS-B airplane data chained list according to the order of successively decreasing, the aircraft that residue need be filtered in the deletion ADS-B airplane data chained list; Wherein, when transforming range difference, specifically longitude conversion is revised by the place latitude;
Wherein, filtering rule parameter information N1, N2 and N3 can import or be configured according to default value by the configuration file, the receiving port that read on the internal storage when system start-up.
As shown in Figure 7, reduce the process flow diagram that control aircraft among method second embodiment of screen display complex degree shows number for the present invention, specifically can comprise the steps:
The aircraft that exceeds current indication range in step 73, the filtration ADS-B airplane data chained list, execution in step 76;
Particularly, directly the aircraft that exceeds current indication range in the ADS-B airplane data chained list is removed;
Particularly, filter ADS-B airplane data chained list and the new ADS-B message that receives, do not repeat them here according to technical scheme shown in Figure 6;
Particularly, order is that order code is finished Straight Insertion Sort with the relative distance of the aircraft in the ADS-B airplane data chained list and this machine according to successively decreasing, because the order of the range difference of relative this machine of each aircraft changes not quite in each refresh cycle, the stable and efficient of Straight Insertion Sort.
In the present embodiment, can also comprise the steps: after the step 70
For example: if open collision detection, then current aircraft shows that the number threshold value subtracts 10 for the aircraft before changing shows the number threshold value, if close collision detection, then current aircraft shows that the number threshold value adds 10 for the aircraft before changing shows the number threshold value; Wherein, before the state of this subsystem enhancement function changes, variation did not take place in the state of system's enhancement function, then the aircraft before this variation shows when the number threshold value is system start-up by reading configuration file, receiving port input on the internal storage or the aircraft demonstration number threshold value that disposes according to default value, if variation once took place before the status information of system's enhancement function, then the demonstration of the aircraft before this variations number threshold value is the aircraft demonstration number threshold value that calculates after the status information of last system enhancement function changes.Need to prove that the method for calculating current aircraft demonstration number threshold value in the present embodiment is an example, the present invention is not limited to this a kind of method.
Particularly, filter ADS-B airplane data chained list, do not repeat them here according to technical scheme shown in Figure 6.
As shown in Figure 8, reduce the process flow diagram of management ADS-B airplane data chained list among method second embodiment of screen display complex degree for the present invention, specifically can comprise the steps:
Whether the address number that step 83, judgement send the aircraft of ADS-B message is stored in the ADS-B airplane data chained list, is stored in the ADS-B airplane data chained list execution in step 86, otherwise execution in step 85 if send the address number of the aircraft of ADS-B message;
Corresponding airplane data in step 86, the renewal ADS-B airplane data chained list, execution in step 88;
Particularly, filter ADS-B message and ADS-B airplane data chained list, do not repeat them here according to technical scheme shown in Figure 6;
Present embodiment shows number by on-the-fly modifying current aircraft, filters ADS-B message and/or ADS-B airplane data chained list, has reduced the screen display complex degree of CDTI display.
It should be noted that at last: above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (9)
1, a kind of device that reduces screen display complex degree is characterized in that, comprising:
Passenger cabin shows the traffic information system parameter configuration module, is used to dispose indication range threshold value, aircraft demonstration number threshold value and filtering rule parameter information;
Aircraft shows the number control module, be used for showing that according to the status information and the described passenger cabin of current indication range, system's enhancement function the described aircraft of traffic information system parameter configuration module configuration shows the number threshold value, obtain current aircraft and show the number threshold value, and according to described current aircraft demonstration number threshold value, filter broadcast formula automatic dependent surveillance airplane data chained list and/or Automatic dependent surveillance broadcast message;
Passenger cabin shows transport information filtering rule control module, be used for showing that according to described aircraft the described current aircraft that the number control module is obtained shows that number threshold value and described passenger cabin show the described filtering rule parameter information of traffic information system parameter configuration module configuration, filter described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message;
Automatic dependent surveillance broadcast airplane data chained list administration module, be used for if the aircraft number of described Automatic dependent surveillance broadcast airplane data chained list shows that more than or equal to described aircraft the described current aircraft that the number control module is obtained shows the number threshold value, trigger described passenger cabin demonstration transport information filtering rule control module and filter described Automatic dependent surveillance broadcast airplane data chained list and described Automatic dependent surveillance broadcast message.
2, device according to claim 1 is characterized in that, described Automatic dependent surveillance broadcast airplane data chained list administration module comprises:
First judging unit is used for according to described Automatic dependent surveillance broadcast message, judges whether the aircraft that sends described Automatic dependent surveillance broadcast message is in the current indication range of passenger cabin demonstration traffic information display device;
Second judging unit, be used for judged result according to described first judging unit, if the aircraft of the described Automatic dependent surveillance broadcast message of transmission is in the current indication range of passenger cabin demonstration traffic information display device, judge whether the address number of the aircraft that sends described Automatic dependent surveillance broadcast message is stored in the described Automatic dependent surveillance broadcast airplane data chained list;
The 6th judging unit, be used for judged result according to described second judging unit, be not stored in the described Automatic dependent surveillance broadcast airplane data chained list if send the address number of the aircraft of described Automatic dependent surveillance broadcast message, judge whether the aircraft number in the described Automatic dependent surveillance broadcast airplane data chained list shows that more than or equal to described aircraft the described current aircraft that the number control module is obtained shows the number threshold value;
First trigger element, be used for judged result according to described the 6th judging unit, if the aircraft number in the described Automatic dependent surveillance broadcast airplane data chained list shows that more than or equal to described aircraft the described current aircraft that the number control module is obtained shows the number threshold value, trigger described passenger cabin demonstration transport information filtering rule control module and filter described Automatic dependent surveillance broadcast message and described Automatic dependent surveillance broadcast airplane data chained list.
3, device according to claim 1 is characterized in that, described passenger cabin shows that transport information filtering rule control module comprises:
First computing unit is used for showing that according to described aircraft the described current aircraft that the number control module is obtained shows the number threshold value, calculates and filters the aircraft number;
First filter element, be used for according to described filtering rule parameter information, according to filtering rule, filter out the aircraft of the described filtration aircraft number of described first computing unit calculating in described Automatic dependent surveillance broadcast airplane data chained list and/or the Automatic dependent surveillance broadcast message.
4, device according to claim 1 is characterized in that, described aircraft shows that the number control module comprises.
Acquiring unit is used to obtain current aircraft and shows the number threshold value;
Second computing unit is used for showing the number threshold value if the status information of system's enhancement function changes according to the aircraft before the status information of the system's enhancement function after changing, current indication range and the variation, calculates current aircraft and shows the number threshold value;
The 3rd judging unit is used for judging that the described current aircraft whether the aircraft number of described Automatic dependent surveillance broadcast airplane data chained list is calculated greater than described second computing unit shows the number threshold value;
Second trigger element, be used for judged result according to described the 3rd judging unit, if the aircraft number in the described Automatic dependent surveillance broadcast airplane data chained list shows the number threshold value greater than the described current aircraft that described second computing unit calculates, trigger described passenger cabin demonstration transport information filtering rule control module and filter described Automatic dependent surveillance broadcast airplane data chained list;
The 4th judging unit is used to judge that passenger cabin shows whether the current indication range of traffic information display device increases;
Filter element is used for the judged result according to described the 4th judging unit, does not increase if passenger cabin shows the current indication range of traffic information display device, filters the aircraft that exceeds described current indication range in the described Automatic dependent surveillance broadcast airplane data chained list;
The 5th judging unit, be used for judged result according to described the 4th judging unit, if passenger cabin shows the current indication range of traffic information display device and increases, the described current aircraft that obtains according to described acquiring unit shows the number threshold value, judges whether to need to filter described Automatic dependent surveillance broadcast airplane data chained list and the new Automatic dependent surveillance broadcast message that receives;
Described second trigger element also is used for the judged result according to described the 5th judging unit, if need to filter described Automatic dependent surveillance broadcast airplane data chained list and the new Automatic dependent surveillance broadcast message that receives, trigger the Automatic dependent surveillance broadcast message that described passenger cabin shows that transport information filtering rule control module is filtered described Automatic dependent surveillance broadcast airplane data chained list and newly received.
5, a kind of method that reduces screen display complex degree is characterized in that, comprising:
Obtain current aircraft and show the number threshold value;
If the aircraft number in Automatic dependent surveillance broadcast airplane data chained list and/or the Automatic dependent surveillance broadcast message shows the number threshold value greater than described current aircraft, filter described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message.
6, method according to claim 5 is characterized in that, describedly obtains current aircraft and also comprises after showing the number threshold value:
If the status information of system's enhancement function changes, show the number threshold value according to the aircraft before the status information of the system's enhancement function after changing, current indication range and the variation, calculate current aircraft and show the number threshold value;
If the aircraft number in the described Automatic dependent surveillance broadcast airplane data chained list shows the number threshold value greater than described current aircraft, filter described Automatic dependent surveillance broadcast airplane data chained list.
7, method according to claim 5 is characterized in that, also comprises:
According to described Automatic dependent surveillance broadcast message, judge whether the aircraft that sends described Automatic dependent surveillance broadcast message is in the current indication range of passenger cabin demonstration traffic information display device;
If the aircraft of the described Automatic dependent surveillance broadcast message of transmission is in the current indication range of passenger cabin demonstration traffic information display device, judge whether the address number of the aircraft that sends described Automatic dependent surveillance broadcast message is stored in the described Automatic dependent surveillance broadcast airplane data chained list;
Be not stored in the described Automatic dependent surveillance broadcast airplane data chained list if send the address number of the aircraft of described Automatic dependent surveillance broadcast message, judge whether the aircraft number in the described Automatic dependent surveillance broadcast airplane data chained list shows the number threshold value more than or equal to described current aircraft;
Described filtration described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message are specially: if the aircraft number in the described Automatic dependent surveillance broadcast airplane data chained list shows the number threshold value more than or equal to described current aircraft, filter described Automatic dependent surveillance broadcast message and described Automatic dependent surveillance broadcast airplane data chained list.
8, method according to claim 5 is characterized in that, describedly obtains current aircraft and also comprises after showing the number threshold value:
Judge that passenger cabin shows whether the current indication range of traffic information display device increases;
If passenger cabin shows the current indication range of traffic information display device and increases, show the number threshold value according to described current aircraft, judge whether to need to filter described Automatic dependent surveillance broadcast airplane data chained list and the new Automatic dependent surveillance broadcast message that receives;
Described filtration described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message are specially: if need to filter described Automatic dependent surveillance broadcast airplane data chained list and the new Automatic dependent surveillance broadcast message that receives, filter described Automatic dependent surveillance broadcast airplane data chained list and the new Automatic dependent surveillance broadcast message that receives.
According to the arbitrary described method of claim 5-8, it is characterized in that 9, described filtration described Automatic dependent surveillance broadcast airplane data chained list and/or Automatic dependent surveillance broadcast message comprise:
Show the number threshold value according to described current aircraft, calculate and filter the aircraft number;
Filtering rule parameter information according to default according to filtering rule, filters out the aircraft of the described filtration aircraft number in described Automatic dependent surveillance broadcast airplane data chained list and/or the Automatic dependent surveillance broadcast message.
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