CN108536964A - Storage medium, satellite constellation covering performance simulating analysis and its system - Google Patents
Storage medium, satellite constellation covering performance simulating analysis and its system Download PDFInfo
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- CN108536964A CN108536964A CN201810318960.0A CN201810318960A CN108536964A CN 108536964 A CN108536964 A CN 108536964A CN 201810318960 A CN201810318960 A CN 201810318960A CN 108536964 A CN108536964 A CN 108536964A
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Abstract
The present invention relates to space technology field, provides a kind of satellite constellation covering performance simulating analysis and its system, satellite constellation covering performance simulating analysis include the following steps：External program write step：Simulating scenes parameter is written to database in external program.Monitoring step：Monitoring starts information, after receiving startup information, into simulation process.Simulation process：Simulating scenes parameter is read from database, STK programs is called to establish simulating scenes, simulation calculation is carried out to simulating scenes, emulation data are then output to database.Export step：MATLAB Program visualizes the emulation data in output database.The present invention has better convenience and scalability.
Description
Technical field
The present invention relates to space technology field, more particularly to a kind of satellite constellation covering performance simulating analysis and its it is
System and a kind of computer readable storage medium.
Background technology
Satellite constellation is the set for emitting the satellite that can be worked normally of entering the orbit, and typically presses certain side by some satellite rings
One satellite network of formula configuration composition.
With the development of satellite technology, space-based scouting gradually develops into another in addition to ground is scouted and air detection
It is main to scout mode, and play an increasingly important role.Space-based scouting is gradually developed from single star to more star networking modes,
Under conditions of load visual field is certain, the scouting covering performance of more star seats is mainly influenced by the configuration design of satellite constellation.
In the entire lead time of satellite, modeling and evaluation work to satellite constellation are essential, therefore, are opened
The analysis of covering performance over the ground for opening up various configuration satellite constellation, become space-based reconnaissance satellite system design demonstration one are important
Content.In order to enable satellite more intuitively to be shown in whole service process, it is necessary to study what comes into a driver's visualization.
Traditional satellite simulation often based on Matlab softwares, establishes accurate mathematical model, and it is imitative to carry out full mathematical model
Very, the precision of such emulation depend on mathematical model precision, have the advantages that it is convenient and efficient, however the transplantability of Matlab compared with
Difference, and hardware can not be operated.
Satellite shoot (STK, Satellite Tool Kit) is by Analytical Graphics companies of the U.S.
A business analysis software to maintain the leading position in space industry of exploitation provides powerful analysis and aobvious for space industry
Show ability, can quickly and easily analyze complicated land, sea, air, outer space task, and provide understandable chart and textual form
Analysis result, for determining best solution.It not only has powerful data simulation ability, can also provide true to nature
Three-dimensional vision display function.Certain scene is established in STK, and dummy satellite is added, by setting the parameter of the scene just
It can realize and the two and three dimensions scene of satellite transit is emulated.
Although this direct method using STK efficiently solves three-dimensional vision display problem, but directly pass through STK
The process for establishing simulating scenes is complicated, and simulation result output form is single.Specifically, it needs that relevant track is previously set
The emulation data of oneself model cannot be carried out real-time display by parameter, cannot achieve the covering performance comparison of more constellations, and can not
Realize the real-time, interactive with external program, and the software interface of STK is also not suitable for the application of project, scalability is not high.
Invention content
In order to solve the above technical problem, the present invention provides a kind of satellite constellation covering performance simulating analysis and its
System, also a kind of computer readable storage medium.
The satellite constellation covering performance simulating analysis of the present invention, includes the following steps：
External program write step：Simulating scenes parameter is written to database in external program.
Monitoring step：Monitoring starts information, after receiving startup information, into simulation process.
Simulation process：Simulating scenes parameter is read from database, calls STK programs to establish simulating scenes, to simulating scenes
Simulation calculation is carried out, emulation data are then output to database.
Export step：Emulation data in output database.
Further include following steps preferably, before simulation process：
Operation Mode Selection step：Judge the method for operation for independent emulation or collaborative simulation；
If it is determined that being collaborative simulation, then enter monitoring step.
Preferably, in Operation Mode Selection step, if it is determined that for independent emulation, then enter following steps：
Simulating scenes setting steps：Simulating scenes parameter is written to database by emulating main program.
Preferably, in exporting step, emulation data are exported with calling Matlab program visualizations.
The present invention also provides a kind of computer readable storage mediums, are stored with computer program, and computer program is located
Manage the step of realizing the above method when device executes.
The present invention also provides a kind of satellite constellation covering performance simulation analysis systems, including：
Server.
The first terminal of STK programs is installed, first terminal is connect with server communication.
The second terminal of external program is installed, second terminal is connect with server communication.
Wherein, server library for storing data.
Second terminal is used to input simulating scenes parameter into database.
First terminal starts information for monitoring, and for after receiving startup information, simulating scenes to be read from database
Parameter calls STK programs to establish simulating scenes, carries out simulation calculation to simulating scenes, first terminal is additionally operable to that data will be emulated
It is output to database.
First terminal is additionally operable to the emulation data in output database.
Second terminal, which is additionally operable to send, starts information.
Preferably, first terminal is equipped with emulation main program, the copying that emulation main program is integrated with STK programs draws
It holds up.
Preferably, database is Redis databases, emulation main program is integrated with the access engine of Redis databases.
Preferably, being equipped with Matlab programs in first terminal, Matlab programs are for visually output emulation number
According to.
Emulation main program is integrated with the data analysis engine of Matlab programs.
Preferably, first terminal is connected by switch-to-server respectively with second terminal.
In terms of existing technologies, the present invention has the advantages that：
The present invention can input simulating scenes parameter by external program, avoid and directly establish emulation field by STK
The process of scape is complicated, the single problem of simulation result output form.Due to that can realize the real-time, interactive with external program, have
Better scalability.
The present invention can provide independent simulation analysis and analyze both of which with external program collaborative simulation simultaneously, have collection
At design, easy to use, fast and effective feature production efficiency can be significantly improved especially suitable for the use in project.
Description of the drawings
Fig. 1 is the hardware structure schematic diagram of first embodiment of the invention satellite constellation covering performance simulation analysis system；
Fig. 2 is the software function interaction signal of first embodiment of the invention satellite constellation covering performance simulation analysis system
Figure.；
Fig. 3 is the simple process figure of first embodiment of the invention satellite constellation covering performance simulating analysis；
Fig. 4 is the user of the emulation main program of first embodiment of the invention satellite constellation covering performance simulation analysis system
Interactive interface schematic diagram；
Fig. 5 is the flow chart of second embodiment of the invention satellite constellation covering performance simulating analysis.
Specific implementation mode
Embodiment one
The first embodiment of the present invention provides a kind of satellite constellation covering performance simulation analysis system, referring to Fig. 1 institutes
Show, including：
Server.
The first terminal of STK programs is installed, first terminal is connect with server communication.
The second terminal of external program is installed, second terminal is connect with server communication.
Wherein, server library for storing data.
Second terminal is used to input simulating scenes parameter into database.
First terminal starts information for monitoring, and for after receiving startup information, simulating scenes to be read from database
Parameter calls STK programs to establish simulating scenes, carries out simulation calculation to simulating scenes, first terminal is additionally operable to that data will be emulated
It is output to database.
First terminal is additionally operable to the emulation data in output database.
Second terminal, which is additionally operable to send, starts information.
The first terminal of present embodiment meaning, second terminal can be catv terminal or wireless terminal.It can be
Portable equipment, computing device or other processing equipments for being connected to radio modem can be particularly desktops
The computing devices such as computer, notebook, palm PC, automatic navigator and cloud server.
Wherein, first terminal is equipped with emulation main program, and emulation main program is integrated with the copying engine of STK programs.
Second terminal is then equipped with the external program for collaborative simulation.Signified simulating scenes parameter includes and is not limited to emulation start-stop
Time, constellation number of satellite, constellation satellite ephemeris, target location, load visual field etc..
Optionally, simulation analysis main program is based on 4 platform developments of Visual Studio 2010.NET Framework.
Optionally, database is Redis databases, and emulation main program is integrated with the access engine of Redis databases.
Redis be one increase income write using ANSI C languages, support network, can based on memory also can persistence day
The Key-Value databases of will type provide the API of multilingual, have good autgmentability.Due to data structure is abundant,
Low delay, height are handled up, particularly can be run in the environment of pure memory, therefore are particularly suitable for analog simulation class application.
Optionally, Matlab programs are installed, Matlab programs are for visually output emulation data in first terminal.
Emulation main program is integrated with the data analysis engine of Matlab programs.
Matlab is the business mathematics software that MathWorks companies of the U.S. produce, and is usually used in algorithm development, data visualization
The advanced techniques computational language and interactive environment of change, data analysis and numerical computations.It is in Mathematics technological applications software
In it is leading in terms of numerical computations.Matlab can carry out matrix operation, drafting function and data, realize algorithm, create
User interface, the program etc. for connecting other programming languages, due to complete graphics processing function.It is exported in conjunction with Matlab
It is convenient, intuitive to have the advantages that when simulation result.
Optionally, first terminal is connected by switch-to-server respectively with second terminal, particularly, can be passed through
TCP/IP interfaces realize interconnected communication.
Stable network working environment can be provided for satellite constellation covering performance simulation analysis system by interchanger, just
In expansion equipment.
Satellite constellation covering performance simulation analysis system shown in Figure 2, of the invention is with above-mentioned emulation main program
Center provides a simulation management control platform.WindowForm interactive interfaces may be used in this platform, provide system with
The interactive interface of user, very succinctly.
Control platform uses STKX plug-in units, that is, STK simulation analysis engines, can realize simulating scenes two and three dimensions
Display calls the simulation models such as STK orbit computations, object dependencies by STK/Connect orders.Control platform passes through
TCP/IP interfaces and Redis database communications, are read using data and write method realizes read-write and the real time data of static data
Transmitting-receiving, use information publication and method for subscribing realize that the dynamic data with external simulated program interacts.Control platform passes through calling
.NET the Matlab library functions encapsulated realize processing and the visualization display of simulation result.
It is shown in Figure 4.The present invention also provides a kind of emulation main programs suitable for mentioned in present embodiment
User interface.
This user interface provides the configuration to running state of programs, parameter setting, result visualization etc..It hands over
Mutual interface can be divided into 4 functional areas.The functional areas in left side include that a two-dimensional STKX plug-in unit and a three-dimensional STKX are inserted
Part is respectively used to the satellite constellation simulating scenes that display is established.The functional areas in center include 10 button controls, wherein " collaboration
Emulation ", " independent emulation ", " selection scene ", " newly-built scene " and " exiting the program " are used to control running state of programs；" forward direction
Operation ", " back operation ", " operation suspension ", " two dimension amplification " and " two dimension is restored " button, for controlling two and three dimensions
STKX plug-in unit dispaly states.The functional areas in the upper right corner are for showing running state of programs.In the different phase of program operation, display
Hint and caveat information." emptying information " button in this functional areas is set, the information having been displayed can be removed.The work(in the lower right corner
Energy area includes a graphics display area and 4 buttons.Graphics display area for showing rendered simulation result image,
The index parameter that 4 buttons are used to select to need to draw." coverage area " button is used to select to draw covering for current simulating scenes
Lid range performance." revisiting period " button is for selecting under current simulating scenes satellite constellation to the revisiting period of specific objective
Energy." cover time " button is for selecting under current simulating scenes satellite constellation to the cover time performance of specific objective." constellation
Comparison " button is for selecting every covering performance of the different scenes satellite constellation to same target or region.
In the satellite constellation covering performance simulation analysis system that present embodiment is provided, following satellite can be passed through
Constellation covering performance simulating analysis is run.Certainly it is noted that this satellite constellation covering performance simulation analysis side
Method is not limited in applying in above system.
The satellite constellation covering performance simulating analysis that present embodiment is provided, it is shown in Figure 3, including walk as follows
Suddenly：
External program write step：Simulating scenes parameter is written to database in external program.
Monitoring step：Monitoring starts information, after receiving startup information, into simulation process.
Simulation process：Simulating scenes parameter is read from database, calls STK programs to establish simulating scenes, to simulating scenes
Simulation calculation is carried out, emulation data are then output to database.
Export step：Emulation data in output database.
Wherein, can simulating scenes parameter, therefore the sequence of itself and monitoring step be written to database at any time in external program
It need not be fixed to sequencing.And after once monitoring the startup information that external program is sent, so that it may with directly from
Simulating scenes parameter is called in database, and simulating scenes are established by STK programs, and then carries out simulation calculation.
And in exporting step, simulation result can be exported in several ways, when there are Matlab programs, passed through
Good visualization output may be implemented in Matlab, it is apparent that can also be exported by other tool of mathematical analysis.
Since in the prior art, emulation every time is required for that relevant orbit parameter is previously set in STK, cannot be by oneself
The emulation data of model carry out real-time display, cannot achieve the covering performance comparison of more constellations, and cannot achieve and external program
Real-time, interactive.Also, the application of project is directly also not suitable for using the software interface of STK in the prior art, scalability is not
It is high.
And in terms of existing technologies, the present invention has the advantages that：
The present invention can input simulating scenes parameter by external program, avoid and directly establish emulation field by STK
The process of scape is complicated, the single problem of simulation result output form.Due to that can realize the real-time, interactive with external program, have
Better scalability.
The present invention can provide independent simulation analysis and analyze both of which with external program collaborative simulation simultaneously, have collection
At design, easy to use, fast and effective feature production efficiency can be significantly improved especially suitable for the use in project.
Therefore, the present invention has better commercial application prospect.
Embodiment two
Second embodiment of the present invention provides a kind of satellite constellation covering performance simulating analysis, the second embodiment party
Formula is being further improved for the satellite constellation covering performance simulating analysis of first embodiment, and main improvements exist
In, it is shown in Figure 5 in second embodiment of the present invention, further include following steps before simulation process：
Operation Mode Selection step：Judge the method for operation for independent emulation or collaborative simulation；
If it is determined that being collaborative simulation, then enter monitoring step.
Specifically, shown in Figure 5, after entering monitoring step, the device for starting information can be monitored, it is outer receiving
After the startup information that portion's program is sent, so that it may to enter simulation process, that is, from database simulating scenes parameter is read,
It calls STK programs to establish simulating scenes, simulation calculation is carried out to simulating scenes, emulation data are then output to database, etc.
The output of data to be emulated.
In addition, while waiting for the output of emulation data, and Operation Mode Selection step can be re-entered into, continue
Judge the method for operation for independent emulation or collaborative simulation.
It in the present embodiment, optionally,, then can be into if it is determined that for independent emulation in Operation Mode Selection step
Enter following steps：
Simulating scenes setting steps：Simulating scenes parameter is written to database by emulating main program.
Optionally, in exporting step, emulation data are exported with calling Matlab program visualizations.
Wherein, if data store internal has had existed scenario parameters, can scenario parameters directly be read from database.When
So, also no matter database is interior whether there is scenario parameters, can pass through and emulate main program write-in simulating scenes parameter.
By preposition Operation Mode Selection step, user can select that emulation main program is used only according to the wish of oneself
The simulation output of simulating scenes is carried out, or is cooperateed with external program to realize the simulation output of simulating scenes, is further increased
Convenience.
In above-mentioned each embodiment, although a series of dynamic to simplify explanation to illustrate the above method and being described as
Make, but it should be appreciated by those skilled in the art that and understand, the order that these methods are not acted is limited, because according to one
A or multiple embodiments, some action can occur in different order and/or with from it is depicted and described herein or herein not
Diagram and description but it will be appreciated by those skilled in the art that other actions concomitantly occur.In addition, the ordinary skill of this field
Personnel are appreciated that reader is made to more fully understand that the application, embodiments of the present invention propose many technical details.But
Even if it is that, without these technical details and based on the various changes and modifications of the respective embodiments described above, can also realize this substantially
Apply for each claim technical solution claimed.It therefore, in practical applications, can be in the form and details to upper
Stating embodiment, various changes can be made, without departing from the spirit and scope of the present invention.
Embodiment three
Third embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored with computer program,
The satellite constellation covering performance emulation point that first or second embodiment is provided is realized when computer program is executed by processor
The step of analysis method.
Above-mentioned steps can be automatically completed by computer program, improve efficiency.
The processor of present embodiment meaning can be central processing unit (Central Processing Unit,
CPU), but in alternative, which can be any conventional processor, controller, microcontroller, state machine, number
Word signal processor (Digital Signal Processor, DSP), application-specific integrated circuit (Application Specific
Integrated Circuit, ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA)
Either other programmable logic device, discrete gate or transistor logic, discrete hardware components etc..Processor can also quilt
Be embodied as the combination of computing device, for example, DSP and the combination of microprocessor, multi-microprocessor, cooperate with DSP core one
Or multi-microprocessor or any other such configuration.
In one or more exemplary embodiments, described function can be in hardware, software, firmware, or any combination thereof
Middle realization.If being embodied as computer program product in software, each function can be used as the instruction of one or more items or generation
Code may be stored on the computer-readable medium or is transmitted by it.Computer-readable medium includes computer storage media and communication
Both media comprising any medium for facilitating computer program to shift from one place to another.Storage medium can be can quilt
Any usable medium that computer accesses.It is non-limiting as example, such computer-readable medium may include RAM, ROM,
EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage apparatus can be used to carrying or store instruction
Or data structure form desirable program code and any other medium that can be accessed by a computer.Any connection is also by by rights
Referred to as computer-readable medium.For example, if software is using coaxial cable, fiber optic cables, twisted-pair feeder, digital subscriber line
(DSL) or the wireless technology of such as infrared, radio and microwave etc is from web site, server 140 or other long-range
Source is transmitted, then the coaxial cable, fiber optic cables, twisted-pair feeder, DSL or such as infrared, radio and microwave etc
Wireless technology is just included among the definition of medium.Disk (disk) and dish (disc) as used herein include compression dish
(CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and blu-ray disc, which disk (disk) are often reproduced in a manner of magnetic
Data, and dish (disc) with laser reproduce data optically.Combinations of the above should also be included in computer-readable medium
In the range of.As an alternative solution, storage medium can be integrated into processor.Pocessor and storage media can reside in
In ASIC.ASIC can reside in user terminal.Or in alternative, pocessor and storage media also can be used as discrete sets
Part is resident in the user terminal.
In conclusion the present invention can input simulating scenes parameter by external program, avoids and directly built by STK
The process of vertical simulating scenes is complicated, the single problem of simulation result output form.It is real-time with external program due to that can realize
Interaction, has better scalability.
The present invention can provide independent simulation analysis and analyze both of which with external program collaborative simulation simultaneously, have collection
At design, easy to use, fast and effective feature production efficiency can be significantly improved especially suitable for the use in project.
It will be understood by those skilled in the art that in above-mentioned each embodiment, in order to keep reader more preferably geographical
It solves the application and proposes many technical details.But even if without these technical details and based on the respective embodiments described above
Various changes and modifications can also realize each claim of the application technical solution claimed substantially.Therefore, in reality
In, can to the above embodiment, various changes can be made in the form and details, without departing from the present invention spirit and model
It encloses.
Claims (10)
1. a kind of satellite constellation covering performance simulating analysis, which is characterized in that include the following steps：
External program write step：Simulating scenes parameter is written to database in external program；
Monitoring step：Monitoring starts information, after receiving startup information, into simulation process；
Simulation process：Simulating scenes parameter is read from database, STK programs is called to establish simulating scenes, simulating scenes are carried out
Then emulation data are output to database by simulation calculation；
Export step：Emulation data in output database.
2. satellite constellation covering performance simulating analysis according to claim 1, which is characterized in that walked in the emulation
Further include following steps before rapid：
Operation Mode Selection step：Judge the method for operation for independent emulation or collaborative simulation；
If it is determined that being collaborative simulation, then enter the monitoring step.
3. satellite constellation covering performance simulating analysis according to claim 2, which is characterized in that in the operation side
Formula selects in step, if it is determined that for independent emulation, then enters following steps：
Simulating scenes setting steps：Simulating scenes parameter is written to database by emulating main program.
4. satellite constellation covering performance simulating analysis according to claim 1, which is characterized in that walked in the output
In rapid, export with calling Matlab program visualizations and state emulation data.
5. a kind of computer readable storage medium, is stored with computer program, which is characterized in that the computer program is handled
The step of method such as any one of Claims 1-4 is realized when device executes.
6. a kind of satellite constellation covering performance simulation analysis system, which is characterized in that including：
Server；
The first terminal of STK programs is installed, the first terminal is connect with the server communication；
The second terminal of external program is installed, the second terminal is connect with the server communication；
Wherein, server library for storing data；
The second terminal is used to input simulating scenes parameter into the database；
The first terminal starts information for monitoring, and for after receiving startup information, simulating scenes to be read from database
Parameter calls STK programs to establish simulating scenes, carries out simulation calculation to simulating scenes, the first terminal is additionally operable to emulate
Data are output to database；
The first terminal is additionally operable to the emulation data in output database；
The second terminal, which is additionally operable to send, starts information.
7. satellite constellation covering performance simulation analysis system according to claim 6, which is characterized in that the first terminal
Emulation main program is installed, the emulation main program is integrated with the copying engine of the STK programs.
8. satellite constellation covering performance simulation analysis system according to claim 7, which is characterized in that the database is
Redis databases, the emulation main program are integrated with the access engine of the Redis databases.
9. according to the satellite constellation covering performance simulation analysis system described in claim 7, which is characterized in that described first eventually
Matlab programs are installed, the Matlab programs are for visually exporting the emulation data in end；
The emulation main program is integrated with the data analysis engine of the Matlab programs.
10. satellite constellation covering performance simulation analysis system according to claim 6, which is characterized in that described first eventually
End and the second terminal are connected by interchanger with the server respectively.
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| CN109918727A (en) * | 2019-01-30 | 2019-06-21 | 上海卫星工程研究所 | More simulating scenes dynamic management approach |
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| CN113283075B (en) * | 2021-05-21 | 2023-11-03 | 南京大学 | Lightweight simulation architecture design method for large-scale satellite scene |
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