CN100596338C - Air Traffic Control radar data automatic identification method - Google Patents
Air Traffic Control radar data automatic identification method Download PDFInfo
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- CN100596338C CN100596338C CN200710050916A CN200710050916A CN100596338C CN 100596338 C CN100596338 C CN 100596338C CN 200710050916 A CN200710050916 A CN 200710050916A CN 200710050916 A CN200710050916 A CN 200710050916A CN 100596338 C CN100596338 C CN 100596338C
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Abstract
The invention provides an air control radar data automatically checking method, belonging to the automation of air traffic, the air control radar data is classified to judge the format of radar data by means of whether the length of the message is fixed or not and the checking types adopted by the radar message, so that distinguishing the types of trace point or flight track in the radar report. Whether the length of message is fixed or not comprises two types: a variation in the length of the target message, a fixed format and length of the target message. According to the checking types adopted, the checking mechanism comprises two types: a using CRC checking mechanism and a checking mechanism without using CRC. Among the radar data with a variation in the length of the target message, according to the internal structure differences of the messages, further analyzing the format of radar data and reporting the types of trace point or flight trace. The invention has the advantages of simplifying the configuration of accessed radar parameters, reducing the automatic system problems caused by the configuration errors, providing an accessing prerequisite for the interconnection of radar data and expanding the air control automatic system in future, capability of wide application in the front-end accessing equipment in the air control automatic system and wide application prospect.
Description
Affiliated technical field
The present invention relates to the air traffic robotization, relate in particular to the automatic identifying method of the air Traffic Control radar data that inserts air traffic control automation system.
Background technology
The air traffic control radar that China's Civil Aviation System is used at present comprises multiple systems such as Raytheon, Thomson/Thales, Alenia, Toshiba, NEC, Telephonics, WestingHouse, Siemens, from different numerous manufacturers.And each manufacturer does not have unified air Traffic Control radar data interface control document, has caused different air traffic control radars to use different data layouts, causes the adaptability problem of Control Centre's automated system access device.Concerning each control automated system supplier, before with air traffic control radar signal connecting system, which kind of form all wants the air traffic control radar of clear and definite connecting system is, and according to the interface control document of corresponding form, carry out the message decoding, some control automated system even directly will insert format restriction at a certain or two kinds of air traffic control radars has caused restriction to radar networking from now on and the expansion of control automated system.
Domestic and international air traffic control radar manufacturer and control automated system manufacturer, these restrictions have all been recognized, corresponding solution has begun one's study, as Eurocontrol a kind of Asterix form has just been proposed, present Raytheon, Thomson/Thales air traffic control radar manufacturer, the air Traffic Control radar data that is provided all satisfies Asterix form interface control document.But because domestic civil aviaton is also at a large amount of air Traffic Control radar datas that use other different-formats, the above-mentioned comparatively solution of limitation also far can not satisfy the needs of China's aviation management.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can conveniently discern present various air Traffic Control radar data forms, thereby for inserting the automatic identifying method of control automated system prerequisite for the air Traffic Control radar data of accurate configuration mode, the needs that adapt to China's aviation management cause are for from now on radar networking and control robotization expansion lays the first stone.
The object of the present invention is achieved like this: a kind of air Traffic Control radar data automatic identification method is characterized in that: whether air Traffic Control radar data is fixing and according to the verification mode that is adopted in the radar message point mark/flight path type that the form of judging radar data and report distinguish radar advisory of classifying according to message length: as whether fixedly to be divided into the air Traffic Control radar data of object message length variations and air Traffic Control radar data two classes of set form and length according to message length; Be divided into use CRC check mechanism and use non-CRC check mechanism two classes according to the verification mode that is adopted in the radar message; In the air Traffic Control radar data that target length changes, further, resolve radar data form and reporting point mark/flight path type according to the difference of the inner structure of message.
The classification of described air Traffic Control radar data is to carry out according to following steps: radar data is carried out parity checking, is the odd number message, is judged as WestingHouse radar plot message; Do not meet the message of parity checking, carry out CRC check, meet the CRC16 check polynomial, be judged as Toshiba radar plot message; Symbol and CRC-CCITT check polynomial, carry out the message length check, equal 5 or 13, be judged as NEC point mark message; Equal 8 or 14, be judged as Telephonic point mark message; To other messages, resolution data message then.
Described inner structure difference according to radar data, carrying out the air Traffic Control radar data parsing carries out according to following steps: the analytic message data, the UAP table data item and the message length that whether meet Asterix, meet, be judged as Asterix form message, if the Asterix message is further resolved the I001/020 field, analyze a mark message or flight path message; If do not meet UAP table data item and the message length of Asterix, read 4 bytes, the 3rd byte is PWN, the 4th byte is TWN, then further read subsequent packet length and whether equal 12*PWN+28*TWN, if then judge the Alenia radar message that PWN some mark message, a TWN flight path message are arranged; If the subsequent packet that reads is uneven in length in 12*PWN+28*TWN, then judge whether it is the Siemens message, if, then according to the attribute field of Siemens message, find out a mark message and flight path message, not then to judge it is other new radar messages.
The polynomial expression of the described CRC16 of carrying out verification is X
16+ X
15+ X
2+ 1, the polynomial expression that carries out the CRC-CCITT verification is X
16+ X
12+ X
5+ 1.
The invention has the beneficial effects as follows:
Realized the automatic identification of air traffic control radar that existing each the tame manufacturer of China is provided, thereby can simplify inserting the radar parameter configuration of control automated system, minimizing causes the shortcoming that automated system can't be handled because of unnecessary configuration error, and provides access conditions for realizing that from now on air Traffic Control radar data networking and control automated system expand.The front end access device that can be widely used in air traffic control automation system.Has bigger application prospect.
Description of drawings
Fig. 1 is the automatic classification process figure of air Traffic Control radar data.
Fig. 2 is in the air Traffic Control radar data that target length changes, and further according to the difference of the inner structure of message, resolves the process flow diagram of radar data form.
Embodiment
Referring to accompanying drawing.
Air Traffic Control radar data automatic identification method is on the Windows operating system platform, adopts Visual C++6.0 exploitation to realize.With the air Traffic Control radar data of receiving, finish synchronously-asynchronous conversion by protocol conversion device, asynchronous data is input to air Traffic Control radar data automatic identification method software, this invention software will be discerned with rule according to the following steps, after the end to be identified, export the air Traffic Control radar data Format Type, and provide the some mark/flight path feature of report.
(1), discerns the radar form of special verification mode by check code.
What WestingHouse radar form adopted is odd, and low 12 bits are data, and the 13rd bit is an odd parity bit, and other high positions are not used.
Toshiba radar form adopts the CRC16 verification, and check polynomial is X
16+ X
15+ X
2+ 1.
Other radar forms all adopt the CRC-CCITT verification, and polynomial expression is X
16+ X
12+ X
5+ 1.
Promptly, can identify Toshiba radar data and WestingHouse radar data, and both are a mark report by the difference of data check mode
(2) pass through fixedly message length, the radar form of identification fixed length message.
The radar data of Asterix form, Alenia, Siemens is elongated, and the radar data of NEC, Telephonics form is a fixed length, and wherein: NEC form radar message is a fixed format message, and positive north newspaper, sector newspaper are 5 bytes, 13 bytes of target newspaper are a mark message
Telephonics form radar message is a fixed format message, and positive north newspaper is 8 bytes, and the target newspaper is 14 bytes, no sector newspaper
Promptly judge by the message regular length, message length is 5 bytes or 13 bytes, be NEC radar form message, message length is 8 bytes or 14 bytes, be Telephonics radar form message, can identify NEC radar data and Telephonics radar data form thus, and both are a mark report
(3) analyze the radar form that the recognition objective message length changes by inner structure.
In Asterix form, three kinds of radar messages of Alenia, Siemens, preceding two kinds include positive north newspaper, sector newspaper and target newspaper, Siemens comprises sector newspaper and target newspaper, but their form and rule have very big difference, are that recognition feature is described in detail below with the object message:
The form that the target of Asterix form radar message is responded with user's correlation table (UAP:User Application Profile) occurs, promptly at first stipulate the concrete implication of each data message item, and in the real-time radar data message, according to actual conditions, by the index field of user's correlation table, the data message item that exists in this message is described.The flight path user correlation table of standard is shown in following table 1 Asterix form radar track message user correlation table:
Table 1:
| Index | The data message item | Information description | Message length |
| 1 2 3 4 5 6 7 FX | I001/010 I001/020 I001/161 I001/040 I001/042 I001/200 I001/070 ---- | Data source represents that target reporting describes the plane speed 3/A schema code field extension sign of the rectangular coordinate position calculation of the polar coordinates position calculation that flight path number measures | 2 1+ 2 4 4 4 2 - |
| 8 9 10 | I001/090 I001/141 I001/130 | C pattern height Time of Day point mark feature | 2 2 1+ |
| 11 12 13 14 FX | I001/131 I001/120 I001/170 I001/210 ---- | Received power Doppler radial velocity flight path state flight path quality field extension sign | 1 1 1+ 1+ - |
| 15 16 17 18 19 20 21 FX | I001/050 I001/080 I001/100 I001/060 I001/030 --- --- ---- | 2 schema code 3/A schema code confidence levels sign C pattern confidence level identifies 2 schema code confidence levels sign warning/type of error (reservation) (reservation) field extension sign | 2 2 4 2 1+ - - - |
| 22 | I001/150 | The X pulse appears | 1 |
By I001/020 data message item, can identify type of message and be and once put mark, secondary point mark, flight path, secondary flight path, the synthetic point of a secondary mark, the synthetic flight path of a secondary.
Preceding 4 bytes are used for describing some mark quantity, flight path quantity and the sector number information that comprises in this message in the Alenia radar data message, the back is with the some mark newspaper (12 byte lengths) of several set forms and the flight path newspaper (28 byte lengths) of set form, shown in table 2 Alenia radar data object message form:
Table 2:
NPL=1 represents not have the some mark, and NTK=1 represents not have flight path, and SCT=1 represents that sector number changes.
Siemens radar data message has at first defined the implication of 9 data message items, and each message item is with 2 byte representations.This radar message of explanation comprises the type of which message item and this message item in first message item of each message, shown in table 3Siemens radar data message format:
Table 3:
Data item the 2,3, the 4th is forced item, promptly all must comprise in all messages, and F5=1 represents to comprise data item 5, and F6=1 represents to comprise data item 6, and F7=1 represents to comprise data item 7, and Ex1=1 represents to comprise data item 8, and Ex2=1 represents to comprise data item 9.
From type of message indicates, can identify and once put mark report, a flight path report, the report of secondary point mark, the report of secondary flight path, the report of the synthetic point of secondary mark, the synthetic flight path report of a secondary etc.
Promptly can automatically identify Asterix form, Alenia, Siemens radar data form, and can to identify what comprise in the message be a mark or flight path, or the both has by the difference of message structure.
In sum, by method of the present invention, civil aviatons such as Asterix form, Alenia, Siemens, Toshiba, NEC, Telephonics, WestingHouse air Traffic Control radar data form commonly used can be automatically identified, and the some mark/flight path type of radar advisory can be distinguished.
Claims (5)
1, a kind of air Traffic Control radar data automatic identification method, it is characterized in that: before the air traffic control radar signal is inserted the control automated system, whether air Traffic Control radar data is fixing and according to the verification mode that is adopted in the radar message point mark/flight path type that the form of judging radar data and report distinguish radar advisory of classifying according to message length: as whether fixedly to be divided into the air Traffic Control radar data of object message length variations and air Traffic Control radar data two classes of set form and length according to message length; Be divided into use CRC check mechanism and use non-CRC check mechanism two classes according to the verification mode that is adopted in the radar message; In the air Traffic Control radar data of object message length variations, further, resolve radar data form and reporting point mark/flight path type according to the difference of the inner structure of message.
2, air Traffic Control radar data automatic identification method as claimed in claim 1, it is characterized in that: described in the air Traffic Control radar data of object message length variations, further according to the difference of message inner structure, parsing radar data form is meant according to user's correlation table of definition judges Asterix radar form, Alenia radar form is judged in attribute and position according to explanation subsequent packet in 4 initial bytes, whether exist according in header, describing the follow-up data item, judge Siemens radar form.
3, air Traffic Control radar data automatic identification method as claimed in claim 1, it is characterized in that: the classification of described air Traffic Control radar data is to carry out according to following steps: radar data is carried out parity checking, be the odd number message, be judged as WestingHouse radar plot message; Do not meet the message of parity checking, carry out CRC check, meet the CRC16 check polynomial, be judged as Toshiba radar plot message; Meet the CRC-CCITT check polynomial, carry out the message length check, equal 5 or 13, be judged as NEC point mark message; Equal 8 or 14, be judged as Telephonic point mark message; To other messages, resolution data message then.
4, air Traffic Control radar data automatic identification method as claimed in claim 1, it is characterized in that: described inner structure difference according to radar data, carrying out the air Traffic Control radar data parsing carries out according to following steps: the analytic message data, the UAP table data item and the message length that whether meet Asterix, meet, be judged as Asterix form message, if the Asterix message, further resolve the I001/020 field, analyze a mark message or flight path message; If do not meet UAP table data item and the message length of Asterix, read 4 bytes, the 3rd byte is PWN, the 4th byte is TWN, then further read subsequent packet length and whether equal 12*PWN+28*TWN, if then judge the Alenia radar message that PWN some mark message, a TWN flight path message are arranged; If the subsequent packet that reads is uneven in length in 12*PWN+28*TWN, then judge whether it is the Siemens message, if, then according to the attribute field of Siemens message, find out a mark message and flight path message, if not, then judge it is other new radar messages.
5, air Traffic Control radar data automatic identification method as claimed in claim 3 is characterized in that: the polynomial expression of the described CRC16 of carrying out verification is X
16+ X
15+ X
2+ 1, the polynomial expression that carries out the CRC-CCITT verification is X
16+ X
12+ X
5+ 1.
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| CN101419281B (en) * | 2008-12-04 | 2011-03-09 | 南京莱斯信息技术股份有限公司 | Radar data true north fan moveout monitoring method |
| CN101419280B (en) * | 2008-12-04 | 2011-03-09 | 南京莱斯信息技术股份有限公司 | Radar data fan number accounting and monitoring method |
| CN101572019B (en) * | 2009-06-01 | 2011-04-20 | 民航数据通信有限责任公司 | Radar track fitting and statistical analysis device |
| CN101576816B (en) * | 2009-06-01 | 2011-04-20 | 民航数据通信有限责任公司 | Binary data format conversion method meeting DOD radar data processing requirements |
| CN101609146B (en) * | 2009-07-23 | 2012-10-03 | 宁波成电泰克电子信息技术发展有限公司 | Anti-aliasing processing method based on navigation management secondary radar test system |
| CN102565765A (en) * | 2011-12-15 | 2012-07-11 | 北京航空航天大学 | Portable air dynamic check system for empty tube monitoring radar |
| US10229603B2 (en) * | 2013-06-13 | 2019-03-12 | Honeywell International Inc. | Systems and methods for providing ATC center data to aircraft |
| CN110071782B (en) * | 2019-04-12 | 2022-03-18 | 广州小鹏汽车科技有限公司 | Message processing method and processing device |
| CN110940971B (en) * | 2019-11-06 | 2022-05-31 | 四川川大智胜软件股份有限公司 | Radar target point trace recording method and device and storage medium |
| CN111521983B (en) * | 2020-04-30 | 2022-03-08 | 中国民用航空总局第二研究所 | Clock calibration method and system based on TWS radar data processing system |
| CN112349151A (en) * | 2020-12-03 | 2021-02-09 | 中航空管系统装备有限公司 | Monitoring terminal, working method and monitoring system for unmanned aerial vehicle cloud system |
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