CN109150285A - A kind of near-earth satellite Constellation Design method and system for lattice display - Google Patents
A kind of near-earth satellite Constellation Design method and system for lattice display Download PDFInfo
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- CN109150285A CN109150285A CN201810857447.9A CN201810857447A CN109150285A CN 109150285 A CN109150285 A CN 109150285A CN 201810857447 A CN201810857447 A CN 201810857447A CN 109150285 A CN109150285 A CN 109150285A
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- 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
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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- 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
- H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
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Abstract
The present invention provides a kind of near-earth satellite Constellation Design method and system for lattice display, which comprises track, telemetry communication, positioning and the lattice display of satellite constellation is arranged；The display content sent by the first satellite reception earth station；By the first satellite according to the track of the satellite constellation, telemetry communication, positioning, lattice display, and described at least one second satellite of display content-control is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show that dot matrix launches the display content as display area.The present invention can carry out lattice display by the satellite constellation laid, and make satellite constellation that can launch the content of lattice display to specified ground region, realize the target that coverage area is big, impact effect is strong, and complete the abundant exploitation to terrestrial space resource.
Description
Technical field
The present invention relates to Satellite Constellation Design technical field more particularly to a kind of near-earth satellite constellations for lattice display
Design method and system.
Background technique
Terrestrial space resource is very valuable, the space other than having earth observation function, can also develop picture, video,
Text etc. launches function.Although carrying out advertisement currently, the canopy of the heavens can be formed by way of UAV Formation Flight and showing.
But by the way of UAV Formation Flight composed by the canopy of the heavens duration is short, cost performance is low, poor reliability,
Poor anti jamming capability leads to the poor display effect of advertisement.
Summary of the invention
It, can be by being laid provided by the present invention for the near-earth satellite Constellation Design method and system of lattice display
Satellite constellation carries out lattice display, and satellite constellation is allow to launch the content of lattice display to specified ground region, realizes covering
The target that range is big, impact effect is strong, and complete the abundant exploitation to terrestrial space resource.
In a first aspect, the present invention provides a kind of near-earth satellite Constellation Design method for lattice display, comprising:
Track, telemetry communication, positioning and the lattice display of satellite constellation are set；
The display content sent by the first satellite reception earth station；
By the first satellite according to the track of the satellite constellation, telemetry communication, positioning, lattice display and the display
At least one second satellite of content-control is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show dot matrix conduct
Launch the display content in display area.
Optionally, the track of the setting satellite constellation includes the orbit parameter of satellite constellation, wherein
The orbit parameter of the satellite constellation includes the height of satellite constellation operation, orbital plane inclination angle, a kind of in eccentricity
Or any combination.
Optionally, the telemetry communication of the setting satellite constellation includes:
Establish the wireless communication link between the first satellite and earth station；
Establish the wireless communication link between the first satellite and at least one second satellite.
Optionally, it is described setting satellite constellation positioning include:
Constellation azimuth information needed for obtaining user from earth station as the first satellite；
Using the position of the first satellite as the base position of satellite constellation, led using GPS, BDS, GLONASS or GALILEO
Boat system carries out positioning adjustment to satellite constellation.
Optionally, the lattice display of the setting satellite constellation includes determining the satellite canopy of the heavens gone out as constructed by satellite constellation
Size intersatellite distance or form satellite constellation number of satellite；
Preferably, the size or intersatellite distance or group for the satellite canopy of the heavens that the determination goes out as constructed by satellite constellation
Include: at the number of satellite of satellite constellation
Obtain sighting distance distance；
Determine that the width of the satellite canopy of the heavens gone out as constructed by satellite constellation is at least the 1/30 of sighting distance；
Determine interstellar distance, wherein interstellar distance range is the 1/3000~1/1000 of sighting distance；
According to the size of the satellite canopy of the heavens and the intersatellite spacing from calculating number of satellite；
Preferably, the intersatellite spacing from by second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system,
Or micro scanning laser range finder accurately adjust intersatellite spacing from.
Optionally, it is described by the first satellite according to the track of the satellite constellation, telemetry communication, positioning, lattice display, with
And described at least one second satellite of display content-control is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show
Show that dot matrix launches the display content as display area and includes:
The received display content of institute is sent to the second satellite by the first satellite；
First satellite and second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system are controlled by the first satellite
It is calibrated, unified clock；
At least one second satellite is controlled by the first satellite and is arranged in satellite constellation, and satellite day is constructed by satellite constellation
Curtain display dot matrix launches the display content as display area.
Optionally, the method also includes:
It is carried out wireless communication by third satellite and the first satellite or the second satellite or earth station；
The operation information of the first satellite, the second satellite and third satellite is obtained by earth station；
The first satellite or the are judged according to the operation information for obtaining the first satellite, the second satellite and third satellite by earth station
Whether two satellites are abnormal；
When the first satellite or the second satellite exception, third satellite is replaced with the first satellite or by ground station control
Two satellites.
Second aspect, the present invention provide a kind of near-earth satellite Constellation Design system for lattice display, including at least one
A first satellite, at least one second satellite being connect with the first satellite communication and earth station, by the first satellite according to by being arranged
What track, telemetry communication, positioning, lattice display and the earth station of satellite constellation set by unit sent to the first satellite
Display at least one second satellite of content-control is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show dot matrix
The display content is launched as display area.
Optionally, the setting unit includes:
Track chooses module, for choosing the orbit parameter of satellite constellation, wherein the orbit parameter of satellite constellation includes defending
Height, orbital plane inclination angle, a kind of or any combination in eccentricity of star seat operation；
Telemetry communication establishes module, wireless communication link for establishing between the first satellite and earth station or establishes
Communication link between one satellite and at least one second satellite；
Setup module is positioned, for constellation azimuth information needed for obtaining user from earth station as the first satellite；And with
Base position of the position of first satellite as satellite constellation, using GPS, BDS, GLONASS or GALILEO navigation system to defending
Star seat carries out positioning adjustment；
Lattice display setup module, for determining the size or inter-satellite of the satellite canopy of the heavens gone out as constructed by satellite constellation
Distance or form satellite constellation number of satellite.
Optionally, first satellite includes:
Receiving module, the display content sent for satellite receiver；
Content sending module is shown, for the received display content of institute to be sent to the second satellite；
Module when school, for controlling the first satellite and second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system
System is calibrated, unified clock；
Control module is arranged in satellite constellation for controlling at least one second satellite, and is constructed and defended by satellite constellation
The star canopy of the heavens shows that dot matrix launches the display content as display area.
Near-earth satellite Constellation Design method and system provided in an embodiment of the present invention for lattice display, the method are logical
Presetting for the track to satellite constellation, telemetry communication, positioning and lattice display is crossed, is then defended by the first satellite and second
Communication, which is realized, between star is arranged in satellite constellation using the first satellite, the second satellite by the first satellite, for example, laying in terrestrial space
The satellite constellation of one M × N (M, N are arbitrary number, representative value M=512, N=256) matrix arrangement, the satellite constellation are
Satellites formation is formed by by satellite；And the satellite canopy of the heavens is formed by satellite formation flying, lattice display, institute are carried out to display content
Using each satellite as a pixel when stating lattice display, two groups of mutually redundant lamps are arranged for point to ground in satellite
Battle array display, and each pixel can have a LED lamp, two LED lamps or plurality of LEDs lamp group at, such as: can be to figure
Piece, video or text information etc. carry out lattice display.The method also passes through the communication between the first satellite and earth station simultaneously
Realize data interaction of the earth station to the display content of the first satellite；Therefore, the present embodiment the method can be by being laid
Satellite constellation carry out lattice display, so that satellite constellation is launched the content of lattice display to specified ground region, realization covers
The target that lid range is big, impact effect is strong, and complete the abundant exploitation to terrestrial space resource.
Meanwhile the present embodiment the method forms one piece of canopy of the heavens by implementing satellite constellation, carries out lattice display, realizes aobvious
Show the dispensing function of content, can steadily be launched in terrestrial space, the duration is long, long-run cost rate is low, reliable
Property it is strong, not good by ground signal interference, display effect, user demand can be met for a long time, realized to terrestrial space precious resources
Effective exploitation.
Detailed description of the invention
Fig. 1 is flow chart of the one embodiment of the invention for the near-earth satellite Constellation Design method of lattice display；
Fig. 2 is another embodiment of the present invention for the near-earth satellite constellation of lattice display and the structural schematic diagram of earth station；
Fig. 3 is flow chart of the one embodiment of the invention for the near-earth satellite Constellation Design method of lattice display；
Fig. 4 is structural schematic diagram of the another embodiment of the present invention for the near-earth satellite Constellation Design system of lattice display.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of near-earth satellite Constellation Design method for lattice display, as shown in Figure 1, described
Method includes:
S11, track, telemetry communication, positioning and the lattice display that satellite constellation is set；
S12, the display content sent by the first satellite reception earth station；
S13, by the first satellite according to the track of the satellite constellation, telemetry communication, positioning, lattice display and described
Display at least one second satellite of content-control is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show dot matrix
The display content is launched as display area.
Near-earth satellite Constellation Design method provided in an embodiment of the present invention for lattice display passes through to satellite constellation
Track, telemetry communication, positioning and lattice display are preset, then by the first satellite and the second intersatellite communication realize by
First satellite is arranged in satellite constellation using the first satellite, the second satellite, for example, laying a M × N in terrestrial space, (M, N are
Arbitrary number, representative value M=512, N=256) matrix arrangement satellite constellation, the satellite constellation is formed by by satellite
Satellites formation；And the satellite canopy of the heavens is formed by satellite formation flying, lattice display is carried out to display content, it will when the lattice display
Two groups of mutually redundant lamps are arranged for lattice display to ground as a pixel, satellite in each satellite, and often
A pixel can have a LED lamp, two LED lamps or plurality of LEDs lamp group at, such as: picture, video or text can be believed
Breath etc. carries out lattice display.The method also passes through the realization of the communication between the first satellite and earth station earth station to first simultaneously
The data interaction of the display content of satellite；Therefore, the present embodiment the method can be carried out a little by the satellite constellation laid
Battle array display, allows satellite constellation to launch the content of lattice display to specified ground region, realizes that coverage area is big, impact effect
Strong target, and complete the abundant exploitation to terrestrial space resource.
Meanwhile the present embodiment the method forms one piece of canopy of the heavens by implementing satellite constellation, carries out lattice display, realizes aobvious
Show the dispensing function of content, can steadily be launched in terrestrial space, the duration is long, long-run cost rate is low, reliable
Property it is strong, not good by ground signal interference, display effect, user demand can be met for a long time, realized to terrestrial space precious resources
Effective exploitation.
Optionally, as shown in Figures 2 and 3, the track of the setting satellite constellation includes the orbit parameter of satellite constellation,
In,
The orbit parameter of the satellite constellation includes the height of satellite constellation operation, orbital plane inclination angle, a kind of in eccentricity
Or any combination.
Specifically, the present embodiment the method to the setting of the track of satellite constellation can by choose away from ground 200km~
The spatial dimension of 400km makes full use of near-earth resource using sun regression orbit, and improves display effect；Meanwhile the side
Method can also be reinforced covering China east, south coast group of cities at night by emphasis, guarantee that satellite flies over use in particular moment
The latitude that family needs guarantees that display content launches effect.
Optionally, the telemetry communication of the setting satellite constellation includes:
Establish the wireless communication link between the first satellite and earth station；
Establish the wireless communication link between the first satellite and at least one second satellite.
Specifically, showing that the satellite constellation in dot matrix includes that one or more the first satellites are used as master described in the present embodiment
Star, earth station can the wireless communication link through being established directly communicated with the first satellite as primary, control is entire
The track of satellite constellation.For example, earth station is carried out wireless communication using conventional measurement prosecutor formula with the first satellite, the frequency range of use can
To select the frequency ranges such as L, C, S, X or Ka, uplink modulation system selects the modulation system of residual carrier or suppressed carrier, passes through uplink
The first satellite of chain road direction sends instruction, complete adjustment satellite orbit, satellite replacement, upload display content etc.；Corticofugal Modulation of Somatosensory mode
Using the modulation system of residual carrier or suppressed carrier, the first satellite ground station sends the running state information of constellation, ground
It stands and judges constellation parameters, if there is abnormal conditions to alarm.
Meanwhile first the wireless communication link through being established between satellite and the second satellite receive telecommand, report is defended
The wireless communication link of starlike state, the first satellite and the second satellite carries out radio communication using frequency ranges such as S, X, UHF or Ka, or
Using laser communication.
Optionally, it is described setting satellite constellation positioning include:
Constellation azimuth information needed for obtaining user from earth station as the first satellite；
Using the position of the first satellite as the base position of satellite constellation, GPS, BDS (Chinese Beidou satellite navigation system are utilized
System: BeiDou Navigation Satellite System), GLONASS (GLONASS:
GLOBAL NAVIGATION SATELLITE SYSTEM) or GALILEO (galileo satellite navigation system:
Galileo satellite navigation system) navigation system realization constellation positioning adjustment.
Specifically, the present embodiment the method can also be carried out wireless communication by the first satellite with earth station first, really
Determine general orientation, then uses GPS, BDS, GLONASS or GALILEO navigation system, position is accurately adjusted, as entire constellation
Base position；Other passings of satelline GPS, BDS, GLONASS or GALILEO navigation system, or " micro scanning laser ranging
The laser rangings mode such as instrument " MS-LRF determines in satellite constellation relative position between each star, guarantees that the formation of satellite constellation is neat,
Lattice display effect is good.
Optionally, the lattice display of the setting satellite constellation includes determining the satellite canopy of the heavens gone out as constructed by satellite constellation
Size intersatellite distance or form satellite constellation number of satellite；
Preferably, the size or intersatellite distance or group for the satellite canopy of the heavens that the determination goes out as constructed by satellite constellation
Include: at the number of satellite of satellite constellation
Obtain sighting distance distance；
Determine that the satellite canopy of the heavens width gone out as constructed by satellite constellation is at least the 1/30 of sighting distance；
Determine interstellar distance, wherein interstellar distance range is the 1/3000~1/1000 of sighting distance；
Wherein, interstellar distance (i.e. the distance between pixels of the canopy of the heavens) range is determined in the 1/3000~1/1000 of sighting distance,
Optimal display result can be reached.
According to the size of the satellite canopy of the heavens and the intersatellite spacing from calculating number of satellite；
Specifically, the orbit altitude of satellite can be determined as sighting distance distance, satellite composition by the present embodiment the method first
Canopy of the heavens width be at least the 1/30 of sighting distance；To reach optimal display result, according to sighting distance (m)=interstellar distance × 1000~star
Between distance × 3000, intersatellite spacing is calculated from and then final determining number of satellite range.
Preferably, the intersatellite spacing from by second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system,
Or micro scanning laser range finder determine intersatellite spacing from.
Optionally, it is described by the first satellite according to the track of the satellite constellation, telemetry communication, positioning, lattice display, with
And described at least one second satellite of display content-control is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show
Show that dot matrix launches the display content as display area and includes:
The received display content of institute is sent to the second satellite by the first satellite；
First satellite and second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system are controlled by the first satellite
It is calibrated, unified clock；
At least one second satellite is controlled by the first satellite and is arranged in satellite constellation, and satellite day is constructed by satellite constellation
Curtain display dot matrix launches the display content as display area.
Optionally, as shown in Fig. 2, the method also includes:
It is carried out wireless communication by third satellite and the first satellite or the second satellite or earth station；
The operation information of the first satellite, the second satellite and third satellite is obtained by earth station；
The first satellite or the are judged according to the operation information for obtaining the first satellite, the second satellite and third satellite by earth station
Whether two satellites are abnormal；
When the first satellite or the second satellite exception, third satellite is replaced with the first satellite or by ground station control
Two satellites.
Specifically, by being established between third satellite and the first satellite or the second satellite in the present embodiment the method
Wireless communication link receives telecommand, reports satellitosis, the wireless communication of third satellite and the first satellite or the second satellite
Link carries out radio communication using frequency ranges such as S, X, UHF or Ka, or uses laser communication.
In addition, influencing since satellite constellation will receive atmospheric environment etc. in the track of terrestrial space, need to adjust constellation rail
Road parameter guarantees that the stabilization of sub-satellite point is correct, so can be larger to the consumption of satellite booster agent.So the first of the constellation
Satellite needs to carry out strengthening design, is equipped with propellant is more, communication channel surplus is big, battery capacity is big etc., guarantees reliable for a long time
Work, but third satellite can suitably reduce cost, as the plug-in package of constellation, be produced in batches.By constellation
Equipped with backup star, the second satellite of damage is replaced at any time, guarantees the normal work of entire satellite constellation；Simultaneously can also by
Setting third satellite accelerates satellite replacement rate by satellite constellation, guarantees the stability that satellite constellation content is launched.
The embodiment of the present invention also provides a kind of near-earth satellite Constellation Design system for lattice display, as shown in figure 4, institute
The system of stating includes at least one first satellite 11, at least one second satellite 12 communicated to connect with the first satellite 11 and earth station
13, as the first satellite 11 according to the track of the satellite constellation as set by setting unit 14, telemetry communication, positioning, lattice display,
And display content-control at least one second satellite that sends to the first satellite 11 of earth station 13 is arranged in satellite constellation, and by
Satellite constellation constructs the satellite canopy of the heavens and shows that dot matrix launches the display content as display area.
Near-earth satellite Constellation Design system provided in an embodiment of the present invention for lattice display is right by setting unit 14
The track of satellite constellation, telemetry communication, positioning and lattice display are preset, and then pass through the first satellite and the second inter-satellite
Communication, which is realized, is arranged in satellite constellation using the first satellite, the second satellite by the first satellite, for example, laying one in terrestrial space
The satellite constellation of M × N (M, N are arbitrary number, representative value M=512, N=256) matrix arrangement, the satellite constellation is by defending
Star is formed by satellites formation；And the satellite canopy of the heavens is formed by satellite formation flying, lattice display, the point are carried out to display content
Using each satellite as a pixel when battle array display, satellite shows ground two groups of mutually redundant lamps of setting for dot matrix
Show, and each pixel can have a LED lamp, two LED lamps or plurality of LEDs lamp group at, such as: can to picture, view
Frequency or text information etc. carry out lattice display.The method also passes through the realization of the communication between the first satellite and earth station ground simultaneously
Data interaction of the face station to the display content of the first satellite；Therefore, system described in the present embodiment can be by the satellite laid
Constellation carries out lattice display, and satellite constellation is allow to launch the content of lattice display to specified ground region, realizes coverage area
Greatly, the strong target of impact effect, and complete the abundant exploitation to terrestrial space resource.
Meanwhile system described in the present embodiment forms one piece of canopy of the heavens by implementing satellite constellation, carries out lattice display, realizes aobvious
Show the dispensing function of content, can steadily be launched in terrestrial space, the duration is long, long-run cost rate is low, reliable
Property it is strong, not good by ground signal interference, display effect, user demand can be met for a long time, realized to terrestrial space precious resources
Effective exploitation.
Optionally, the setting unit includes:
Track chooses module, for choosing the orbit parameter of satellite constellation, wherein the orbit parameter of satellite constellation includes defending
Height, orbital plane inclination angle, a kind of or any combination in eccentricity of star seat operation；
Telemetry communication establishes module, wireless communication link for establishing between the first satellite and earth station or establishes
Communication link between one satellite and at least one second satellite；
Setup module is positioned, for constellation azimuth information needed for obtaining user from earth station as the first satellite；And with
Base position of the position of first satellite as satellite constellation, using GPS, BDS, GLONASS or GALILEO navigation system to defending
Star seat carries out positioning adjustment；
Lattice display setup module, for determining the size or inter-satellite of the satellite canopy of the heavens gone out as constructed by satellite constellation
Distance or form satellite constellation number of satellite.
Optionally, first satellite includes:
Receiving module, the display content sent for satellite receiver；
Content sending module is shown, for the received display content of institute to be sent to the second satellite；
Module when school, for controlling the first satellite and second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system
System is calibrated, unified clock；
Control module is arranged in satellite constellation for controlling at least one second satellite, and is constructed and defended by satellite constellation
The star canopy of the heavens shows that dot matrix launches the display content as display area.
Optionally, the system also includes third satellites, for carrying out with the first satellite or the second satellite or earth station
Wireless communication, and when the first satellite or the second satellite exception, it is replaced with the first satellite or the second satellite.
The device of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of near-earth satellite Constellation Design method for lattice display characterized by comprising
Track, telemetry communication, positioning and the lattice display of satellite constellation are set；
The display content sent by the first satellite reception earth station；
By the first satellite according to the track of the satellite constellation, telemetry communication, positioning, lattice display and the display content
It controls at least one second satellite and is arranged in satellite constellation, and the satellite canopy of the heavens is constructed by satellite constellation and shows dot matrix as display
Launch the display content in region.
2. the method according to claim 1, wherein the track of the setting satellite constellation includes choosing Satellite
The orbit parameter of seat, wherein
The orbit parameter of the satellite constellation includes the height of satellite constellation operation, orbital plane inclination angle, a kind of in eccentricity or appoint
Meaning combination.
3. the method according to claim 1, wherein the telemetry communication of the setting satellite constellation includes:
Establish the wireless communication link between the first satellite and earth station；
Establish the wireless communication link between the first satellite and at least one second satellite.
4. the method according to claim 1, wherein the positioning of the setting satellite constellation includes:
Constellation azimuth information needed for obtaining user from earth station as the first satellite；
Using the position of the first satellite as the base position of satellite constellation, being navigated using GPS, BDS, GLONASS or GALILEO is
System carries out positioning adjustment to satellite constellation.
5. method according to claim 1 to 4, which is characterized in that it is described setting satellite constellation lattice display include
The size or intersatellite distance of the determining satellite canopy of the heavens gone out constructed by satellite constellation or the satellite number for forming satellite constellation
Amount；
Preferably, the size or intersatellite distance or form for the satellite canopy of the heavens that the determination goes out constructed by satellite constellation are defended
The number of satellite of star seat includes:
Obtain sighting distance distance；
Determine that the width of the satellite canopy of the heavens gone out as constructed by satellite constellation is at least the 1/30 of sighting distance；
Determine interstellar distance, wherein interstellar distance range is the 1/3000~1/1000 of sighting distance；
According to the size of the satellite canopy of the heavens and the intersatellite spacing from calculating number of satellite；
Preferably, the intersatellite spacing from by second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system or
Micro scanning laser range finder accurately adjust intersatellite spacing from.
6. -5 any method according to claim 1, which is characterized in that it is described by the first satellite according to the satellite constellation
Track, telemetry communication, positioning, lattice display and described at least one second satellite of display content-control be arranged in satellite
Constellation, and the satellite canopy of the heavens is constructed by satellite constellation and shows that dot matrix launches the display content as display area and includes:
The received display content of institute is sent to the second satellite by the first satellite；
First satellite is controlled by the first satellite and second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system carries out
When school, unified clock；
At least one second satellite is controlled by the first satellite and is arranged in satellite constellation, and the satellite canopy of the heavens is constructed by satellite constellation and is shown
Show that dot matrix launches the display content as display area.
7. -6 any method according to claim 1, which is characterized in that the method also includes:
It is carried out wireless communication by third satellite and the first satellite or the second satellite or earth station；
The operation information of the first satellite, the second satellite and third satellite is obtained by earth station；
The first satellite is judged according to the operation information for obtaining the first satellite, the second satellite and third satellite by earth station or second is defended
Whether star is abnormal；
When the first satellite or the second satellite exception, third satellite is replaced with the first satellite by ground station control or second is defended
Star.
8. a kind of near-earth satellite Constellation Design system for lattice display, which is characterized in that including at least one first satellite,
At least one second satellite being connect with the first satellite communication and earth station, as the first satellite according to as set by setting unit
The display content-control that track, telemetry communication, positioning, lattice display and the earth station of satellite constellation send to the first satellite
At least one second satellite is arranged in satellite constellation, and constructs the satellite canopy of the heavens by satellite constellation and show dot matrix as display area
Launch the display content.
9. system according to claim 8, which is characterized in that the setting unit includes:
Track chooses module, for choosing the orbit parameter of satellite constellation, wherein the orbit parameter of satellite constellation includes Satellite
Height, orbital plane inclination angle, a kind of or any combination in eccentricity of seat operation；
Telemetry communication establishes module, wireless communication link for establishing between the first satellite and earth station or establishes first and defends
Communication link between star and at least one second satellite；
Setup module is positioned, for constellation azimuth information needed for obtaining user from earth station as the first satellite；And with first
Base position of the position of satellite as satellite constellation, using GPS, BDS, GLONASS or GALILEO navigation system to Satellite
Seat carries out positioning adjustment；
Lattice display setup module, for determine as constructed by satellite constellation go out the satellite canopy of the heavens size or it is intersatellite away from
From or composition satellite constellation number of satellite.
10. system according to claim 8 or claim 9, which is characterized in that first satellite includes:
Receiving module, the display content sent for satellite receiver；
Content sending module is shown, for the received display content of institute to be sent to the second satellite；
Module when school, for control the first satellite and second passing of satelline GPS, BDS, GLONASS or GALILEO navigation system into
When row school, unified clock；
Control module is arranged in satellite constellation for controlling at least one second satellite, and constructs satellite day by satellite constellation
Curtain display dot matrix launches the display content as display area.
Priority Applications (1)
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