CN110071784A - Aircraft positioning system and method in a kind of ADS-B aerial surveillance systems - Google Patents

Aircraft positioning system and method in a kind of ADS-B aerial surveillance systems Download PDF

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Publication number
CN110071784A
CN110071784A CN201910338421.8A CN201910338421A CN110071784A CN 110071784 A CN110071784 A CN 110071784A CN 201910338421 A CN201910338421 A CN 201910338421A CN 110071784 A CN110071784 A CN 110071784A
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message
information
aircraft
module
ads
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CN110071784B (en
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李桓
李洪星
王晋
王坚
杨鍊
陈安旭
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/24—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for cosmonautical navigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18502—Airborne stations
    • H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Automation & Control Theory (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Navigation (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The invention discloses the aircraft positioning system and method in a kind of ADS-B aerial surveillance systems, which includes message information receiving module, message resolving locating module, passive location module and track Filtering Analysis module；Message information receiving module resolves locating module with message respectively and connects with passive location module；Message resolves locating module and passive location module is also connect with track Filtering Analysis module.Aircraft positioning system and method in ADS-B aerial surveillance systems provided by the invention are using passive location to track filtering algorithm, information is resolved in conjunction with message, improve the positioning accuracy of aircraft, improve the performance of aerial surveillance systems, simple, the excellent feature of monitoring effect with realization effect.

Description

Aircraft positioning system and method in a kind of ADS-B aerial surveillance systems
Technical field
The invention belongs to signal processing technology fields in ADS-B aerial surveillance systems, and in particular to a kind of ADS-B aviation prison Aircraft positioning system and method in viewing system.
Background technique
ADS-B is a kind of surveillance technology suitable for aviation monitoring field, and the aircraft for carrying the ADS-BOut equipment passes through Satellite navigation positions itself, and location information is carried out in such a way that ADS-B technical documentation specification DO260-B is formulated Coding broadcast, aerial surveillance systems then receive and decode message information, realize the monitoring to aircraft in current airspace.Due to ADS- The broadcast characteristic of B itself, without monitoring inquiry, aircraft is broadcasted its status information automatically, can be solved to a certain extent The bottleneck problem that monitoring station is inquired in ModeS system；It is inevitable but as the aircraft for carrying ADS-B broadcast source gradually increases There are multiple aircraft synchronization broadcasting packets, the overlapping problem for causing receiver to receive message is increasingly serious.This is asked Topic is more obvious for the spaceborne ADS-B system currently implemented, in spaceborne ADS-B system, single observation station range covering It is huge, it is clear that message overlaps problem and also go fromes bad to worse.In the prior art, a kind of method is to use projection algorithm (Projection Algorithm, PA) is deinterleaved, but the algorithm difficulty is used for the demodulation of multiple intertexture.Another method is to adopt Intertexture message is separated with the method for independent component analysis, but the complexity of isolated component algorithm is high, research is also In research simulation stage.Also one is the de-interleaving techniques based on Interference Cancellation, first to high-power in interleaved signal Message is handled, and then again compares the high-power signal of received interleaved signal and reduction, therefrom extracts small-power report Text, but the accuracy of this algorithm is also not account for Doppler frequency shift based on the demodulation precision to relatively high power signal It is poor for the process performance of multiple intertexture for the influence of signal and the algorithm.It is same for observation station receiver The message that aircraft is broadcasted certainly exist some moment without intertexture can use message resolve solve, other moment messages hand over It knits, but is available with passive localization algorithm and carries out Position-Solving；And some receptions are to aircraft velocity information message, But aircraft position information is intentionally got.
Summary of the invention
For above-mentioned deficiency in the prior art, the aircraft in ADS-B aircraft monitoring system provided by the invention is fixed When position system and method is solved in existing aerial surveillance systems to aircraft positioning, to the message signals process performance of intertexture Difference can not accurately realize the problem of aircraft positions.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows: in a kind of ADS-B aerial surveillance systems Aircraft positioning system, which is characterized in that resolve locating module, passive location module including message information receiving module, message With track Filtering Analysis module；
The message information receiving module resolves locating module with message respectively and connects with passive location module；
The message resolves locating module and passive location module is also connect with track Filtering Analysis module.
Further, what the aircraft that the message information receiving module is used to receive carrying ADS-BOut equipment was broadcasted Message information, and send it to message and resolve locating module and passive location module；
The message resolves locating module and is used for the message information of no intertexture and there is the message that interweaves and can deinterleave Information determines the location information of the aircraft using message computation, and be sent to track Filtering Analysis after deinterleaving Module；
The passive location module is used for there are the message of intertexture intangibility or other status informations of non-position information, The location information of the aircraft is determined using passive localization algorithm, and is sent to track Filtering Analysis module；
Two location informations and its error range for the aircraft that the track Filtering Analysis module is used to receive are made It is filtered for location status information of the observation to radiation source, obtains the trace information of accurate aircraft, realize aircraft Positioning.
Further, the message information receiving module includes spaceborne receiver and continental rise receiver；
It includes spaceborne ADS-B message solving unit and continental rise ADS-B message solving unit that the message, which resolves locating module,.
The localization method of aircraft in a kind of ADS-B aerial surveillance systems, comprising the following steps:
S1, the message information that aircraft broadcast is received by message information receiving module；
S2, judge whether message information can deinterleave；
If so, entering step S3；
If it is not, then entering step S4；
S3, locating module and passive location module are resolved by message while message information is handled, and will processing Aircraft position information afterwards is sent to track Filtering Analysis module, and then step S5；
S4, message information is handled by passive location module, and aircraft position information is sent by treated To track Filtering Analysis module, S5 is entered step；
S5, Kalman filtering processing is carried out by location information of the track Filtering Analysis module to the aircraft received, Final aircraft position information is obtained, realizes the accurate positionin of aircraft.
Further, the step S3 specifically:
S31, by the message information that can be deinterleaved and meanwhile be sent to message resolve locating module and passive location module into Row processing；
S32, judge to resolve locating module by message that treated whether aircraft states information is aircraft position information；
If so, entering step S33；
If it is not, then entering step S34；
S33, the aircraft position information and its error range and message that obtain after passive location resume module are resolved and determined The aircraft position information and its error range obtained after the resume module of position is weighted processing, obtains a comprehensive aircraft Location information and its error range, and it is sent to track Filtering Analysis module, enter step S5；
S34, aircraft non-position information is handled by passive location module, obtains corresponding aircraft position letter Breath and its error range, and it is sent to track Filtering Analysis module, enter step S5.
Further, message resolves the method that locating module handles message information in the step S31 specifically:
A1, judge whether message information receiving module is spaceborne ADS-B message receiver,
If so, entering step A2；
If it is not, then entering step A3；
A2, believed by the bit stream that spaceborne ADS-B message solving unit is resolved to obtain message information to message information Breath, and enter step A4；
A3, believed by the bit stream that continental rise ADS-B message solving unit is resolved to obtain message information to message information Breath, and enter step A4；
A4, the bit stream information obtained to resolving decode, and obtain aircraft states information；
Wherein, positioning mode is resolved using spaceborne ADS-B message in step A2 to resolve message information；
Positioning mode is resolved using continental rise ADS-B message in step A3 to resolve message information.
Further, aircraft non-position information includes the velocity information of aircraft, state of emergency letter in the step S34 Breath and course information.
Further, the passive location module in the step S3 and S4 carries out message information by passive location model Information processing obtains corresponding aircraft position information and its error range；
Wherein, passive location model includes four star time difference passive location models, based on earth boundary condition prior Eq Samsung time difference passive location model, double star direction finding passive location model, is based on frequency at the double star time difference/direction finding passive location model The double-star time difference/frequency difference passive location model and Single satellite passive location model of compensation.
Further, the step S5 specifically:
The message information moment is received according to message receiving module, message is resolved into locating module and passive location module obtains Aircraft position information and its error range as observation, carried out using location information of the Kalman filtering method to aircraft Filtering, reduces the Positioning estimation error of aircraft, obtains accurate aircraft position information, realize the accurate positionin of aircraft.
The invention has the benefit that aircraft positioning system in ADS-B aerial surveillance systems provided by the invention and Method, to track filtering algorithm, is resolved information in conjunction with message, improves the positioning accuracy of aircraft, improve using passive location The performance of aerial surveillance systems has and realizes that effect is simple, the excellent feature of monitoring effect.
Detailed description of the invention
Fig. 1 is the aircraft positioning system structure figure in ADS-B aerial surveillance systems provided by the invention.
Fig. 2 is the aircraft localization method flow chart in ADS-B aerial surveillance systems provided by the invention.
Fig. 3 is the message information processing method flow chart that can be deinterleaved in the present invention.
Fig. 4 is that spaceborne ADS-B message resolves positioning mode schematic diagram in the method for the present invention.
Fig. 5 is that continental rise ADS-B message resolves positioning mode schematic diagram in the method for the present invention.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art, As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in Figure 1, the aircraft positioning system in a kind of ADS-B aerial surveillance systems, including message information receive mould Block, message resolve locating module, passive location module and track Filtering Analysis module；
Message information receiving module resolves locating module with message respectively and connects with passive location module；
Message resolves locating module and passive location module is also connect with track Filtering Analysis module.
Above-mentioned message information receiving module, which is used to receive, carries the message letter that the aircraft of ADS-B Out equipment is broadcasted Breath, and send it to message and resolve locating module and passive location module；
Message resolves locating module and is used for the message information of no intertexture and there is the message information that interweaves and can deinterleave After deinterleaving, the location information of the aircraft is determined using message computation, and be sent to track Filtering Analysis module；
The passive location module is used for there are the message of intertexture intangibility or other status informations of non-position information, The location information of the aircraft is determined using passive localization algorithm, and is sent to track Filtering Analysis module；
Track Filtering Analysis module is used for using two location informations of the aircraft received and its error range as sight Measured value is filtered the location status information of radiation source, obtains the trace information of accurate aircraft, realizes determining for aircraft Position.
Wherein, message information receiving module includes spaceborne receiver and continental rise receiver；The signal of continental rise receiver transmits Up to tens kilometers of distance, and the transmission range of spaceborne receiver arrives thousands of kilometers several hundred, for such transmission range Difference, receiver be to the computation of message information it is different, therefore, the present invention in message resolve module include star Carry ADS-B message solving unit and continental rise ADS-B message solving unit.
As shown in Fig. 2, the present invention also provides a kind of localization methods of aircraft in ADS-B aerial surveillance systems, including Following steps:
S1, the message information that aircraft broadcast is received by message information receiving module；
S2, classify to message information；
If message information can deinterleave, S3 is entered step；
If message information cannot deinterleave, S4 is entered step；
S3, locating module and passive location module are resolved by message while message information is handled, and will processing Aircraft position information afterwards is sent to track Filtering Analysis module, and then step S5；
S4, message information is handled by passive location module, and aircraft position information is sent by treated To track Filtering Analysis module, S5 is entered step；
S5, Kalman filtering processing is carried out by location information of the track Filtering Analysis module to the aircraft received, Final aircraft position information is obtained, realizes the accurate positionin of aircraft.
As shown in figure 3, above-mentioned steps S3 specifically:
S31, by the message information that can be deinterleaved and meanwhile be sent to message resolve locating module and passive location module into Row processing；
S32, judge to resolve locating module by message that treated whether aircraft states information is aircraft position information；
If so, entering step S33；
If it is not, then entering step S34；
S33, the aircraft position information and its error range and message that obtain after passive location resume module are resolved and determined The aircraft position information and its error range obtained after the resume module of position is weighted processing, obtains a comprehensive aircraft Location information and its error range, and it is sent to track Filtering Analysis module, enter step S5；
S34, aircraft non-position information is handled by passive location module, obtains corresponding aircraft position letter Breath and its error range, and it is sent to track Filtering Analysis module, enter step S5.
Message resolves the method that locating module handles message information in above-mentioned steps S31 specifically:
A1, judge whether message information receiving module is spaceborne ADS-B message receiver,
If so, entering step A2；
If it is not, then entering step A3；
A2, believed by the bit stream that spaceborne ADS-B message solving unit is resolved to obtain message information to message information Breath, and enter step A4；
A3, believed by the bit stream that continental rise ADS-B message solving unit is resolved to obtain message information to message information Breath, and enter step A4；
A4, the bit stream information obtained to resolving decode, and obtain aircraft states information；
Wherein, message information is resolved as shown in figure 4, resolving positioning mode using spaceborne ADS-B message in step A2；
Message information is resolved as shown in figure 5, resolving positioning mode using continental rise ADS-B message in step A3.
Aircraft non-position information includes velocity information, emergency state information and the course of aircraft in above-mentioned steps S34 Information, these information can be used as update information and are modified to the current state of aircraft, can also be used as passive location model In known conditions, the location information of aircraft is determined.
Passive location module in above-mentioned steps S3 and S4 carries out information processing to message information by passive location model, Obtain corresponding aircraft position information and its error range；
Wherein, passive location model includes four star time difference passive location models, based on earth boundary condition prior Eq Samsung time difference passive location model, double star direction finding passive location model, is based on frequency at the double star time difference/direction finding passive location model The double-star time difference/frequency difference passive location model and Single satellite passive location model of compensation.
Above-mentioned steps S5 specifically:
The message information moment is received according to message receiving module, message is resolved into locating module and passive location module obtains Aircraft position information and its error range as observation, carried out using location information of the Kalman filtering method to aircraft Filtering, reduces the Positioning estimation error of aircraft, obtains accurate aircraft position information, realize the accurate positionin of aircraft.
The invention has the benefit that aircraft positioning system in ADS-B aerial surveillance systems provided by the invention and Method, to track filtering algorithm, is resolved information in conjunction with message, improves the positioning accuracy of aircraft, improve using passive location The performance of aerial surveillance systems has and realizes that effect is simple, the excellent feature of monitoring effect.

Claims (9)

1. the aircraft positioning system in a kind of ADS-B aerial surveillance systems, which is characterized in that receive mould including message information Block, message resolve locating module, passive location module and track Filtering Analysis module；
The message information receiving module resolves locating module with message respectively and connects with passive location module；
The message resolves locating module and passive location module is also connect with track Filtering Analysis module.
2. the aircraft positioning system in ADS-B aerial surveillance systems according to claim 1, which is characterized in that
The message information receiving module, which is used to receive, carries the message information that the aircraft of ADS-B Out equipment is broadcasted, and It sends it to message and resolves locating module and passive location module；
The message resolves locating module and is used for the message information of no intertexture and there is the message information that interweaves and can deinterleave After deinterleaving, the location information of the aircraft is determined using message computation, and be sent to track Filtering Analysis module；
The passive location module is used to use to there are the messages of intertexture intangibility or other status informations of non-position information Passive localization algorithm determines the location information of the aircraft, and is sent to track Filtering Analysis module；
The track Filtering Analysis module is used for using two location informations of the aircraft received and its error range as sight Measured value is filtered the location status information of radiation source, obtains the trace information of accurate aircraft, realizes determining for aircraft Position.
3. the aircraft positioning system in ADS-B aerial surveillance systems according to claim 1, which is characterized in that described Message information receiving module includes spaceborne receiver and continental rise receiver；
It includes spaceborne ADS-B message solving unit and continental rise ADS-B message solving unit that the message, which resolves locating module,.
4. the aircraft localization method in a kind of ADS-B aerial surveillance systems, which comprises the following steps:
S1, the message information that aircraft broadcast is received by message information receiving module；
S2, judge whether message information can deinterleave；
If so, entering step S3；
If it is not, then entering step S4；
S3, locating module and passive location module are resolved by message while message information is handled, and by treated Aircraft position information is sent to track Filtering Analysis module, and then step S5；
S4, message information is handled by passive location module, and aircraft position information is sent to rail by treated Mark Filtering Analysis module, enters step S5；
S5, Kalman filtering processing is carried out by location information of the track Filtering Analysis module to the aircraft received, obtained Final aircraft position information, realizes the accurate positionin of aircraft.
5. the aircraft localization method in ADS-B aerial surveillance systems according to claim 4, which is characterized in that described Step S3 specifically:
S31, it by the message information that can be deinterleaved while being sent to message and resolves at locating module and passive location module Reason；
S32, judge to resolve locating module by message that treated whether aircraft states information is aircraft position information；
If so, entering step S33；
If it is not, then entering step S34；
S33, the aircraft position information and its error range and message that obtain after passive location resume module are resolved into positioning mould The aircraft position information and its error range obtained after block processing is weighted processing, obtains a comprehensive aircraft position Information and its error range, and it is sent to track Filtering Analysis module, enter step S5；
S34, aircraft non-position information is handled by passive location module, obtain corresponding aircraft position information and Its error range, and it is sent to track Filtering Analysis module, enter step S5.
6. the aircraft localization method in ADS-B aviation monitoring information according to claim 5, which is characterized in that described Message resolves the method that locating module handles message information in step S31 specifically:
A1, judge whether message information receiving module is spaceborne ADS-B message receiver,
If so, entering step A2；
If it is not, then entering step A3；
A2, message information is resolved by spaceborne ADS-B message solving unit to obtain the bit stream information of message information, and Enter step A4；
A3, message information is resolved by continental rise ADS-B message solving unit to obtain the bit stream information of message information, and Enter step A4；
A4, the bit stream information obtained to resolving decode, and obtain aircraft states information；
Wherein, positioning mode is resolved using spaceborne ADS-B message in step A2 to resolve message information；
Positioning mode is resolved using continental rise ADS-B message in step A3 to resolve message information.
7. the aircraft localization method in ADS-B aerial surveillance systems according to claim 5, which is characterized in that described Aircraft non-position information includes velocity information, emergency state information and the course information of aircraft in step S34.
8. the aircraft localization method in ADS-B aerial surveillance systems according to claim 4, which is characterized in that described Passive location module in step S3 and S4 carries out information processing to message information by passive location model, obtains corresponding boat Pocket location information and its error range；
Wherein, passive location model includes four star time difference passive location models, the Samsung based on earth boundary condition prior Eq Time difference passive location model, double star direction finding passive location model, is based on frequency compensation at the double star time difference/direction finding passive location model Double-star time difference/frequency difference passive location model and Single satellite passive location model.
9. the aircraft localization method in ADS-B aerial surveillance systems according to claim 5, which is characterized in that described Step S5 specifically:
The message information moment is received according to message receiving module, by the boat that message resolves locating module and passive location module obtains Pocket location information and its error range are filtered as observation using location information of the Kalman filtering method to aircraft Wave reduces the Positioning estimation error of aircraft, obtains accurate aircraft position information, realizes the accurate positionin of aircraft.
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CN113568010A (en) * 2021-08-31 2021-10-29 中国电子科技集团公司第五十四研究所 Interference positioning method based on satellite-borne ADS-B
CN113568010B (en) * 2021-08-31 2024-03-26 中国电子科技集团公司第五十四研究所 Satellite-borne ADS-B-based interference positioning method

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