CN106599398B - Simulation method and device of integrated management system of heaven and earth integration - Google Patents
Simulation method and device of integrated management system of heaven and earth integration Download PDFInfo
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Abstract
The invention is suitable for the technical field of simulation, and provides a simulation method and a device of a world integration management system, wherein the method comprises the following steps: receiving simulation configuration parameters, and selecting a corresponding simulation subsystem according to the simulation configuration parameters; the simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission; and establishing a corresponding simulation model for the selected simulation subsystem, and simulating through the simulation model. The method can realize integrated management and simulation of physical layer links, communication protocols and constellations, carry out simulation verification on the satellite communication system and the data acquisition system, and support development and development of various satellite communication systems and data acquisition systems.
Description
Technical Field
The invention belongs to the technical field of simulation, and particularly relates to a simulation method and a simulation device of a world-wide integrated management system.
Background
At present, spatial information resources have become important strategic resources in various countries. The world-wide integrated information network becomes a major infrastructure of national economy and national security of developed countries with the important meanings of strategic, basic, active and irreplaceable. The unique position and regional advantages and the unique information service capability of the world-wide integrated information network can drive the development of emerging industries, and form the core competitiveness and the national creativity with great potential.
When a traditional simulation of a space-ground integrated system is carried out, system-level simulation of a physical layer link, a communication protocol and a constellation, key subsystem-level simulation of a satellite-ground inter-satellite channel system and key component simulation of a baseband processing circuit, a radio frequency circuit, an integrated circuit and an antenna need to be realized. The simulation development work of the heaven-earth integrated information system often has a series of problems of long development period, low level repetition, large workload, poor model reusability, low confidence coefficient and the like due to the lack of a powerful system simulation supporting tool.
Disclosure of Invention
In view of this, embodiments of the present invention provide a simulation method and apparatus for a world-wide integrated management system, which solve the technical problems in the prior art that different types of simulations need to be performed simultaneously and the working efficiency is low.
The first aspect of the embodiments of the present invention provides a simulation method for a space-ground integrated management system, including:
receiving simulation configuration parameters, and selecting a corresponding simulation subsystem according to the simulation configuration parameters; the simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission;
and establishing a corresponding simulation model for the selected simulation subsystem, and simulating through the simulation model.
A second aspect of the embodiments of the present invention provides a simulation apparatus for a space-ground integrated management system, including:
the configuration parameter module is used for receiving simulation configuration parameters and selecting a corresponding simulation subsystem according to the simulation configuration parameters; the simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission;
and the model establishing module is used for establishing a corresponding simulation model for the selected simulation subsystem and simulating through the simulation model.
By adopting the technical scheme, the invention can at least obtain the following technical effects: the embodiment of the invention receives simulation configuration parameters, selects at least one simulation subsystem from a constellation simulation system, a physical link layer simulation system, a satellite-to-earth channel simulation system and a communication protocol simulation system according to the simulation configuration parameters, then establishes a corresponding simulation model for the selected simulation subsystem, simulates through the simulation model, integrates all simulation systems in a system simulation verification task in the same platform, realizes the unified management and unified scheduling of all function modules and the unified analysis of simulation results, simultaneously adopts an HLA/RTI distributed system as a basic framework, can realize the calling and management of different types of simulation modules and a plurality of simulation tools through the operation of a human-computer interaction interface, can realize the integrated integration, interface interconnection and data interaction of all simulation modules in the simulation verification task, therefore, the working mode of the simulation verification of a plurality of model projects is effectively improved, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a flowchart of a simulation method of a space-ground integrated management system according to an embodiment of the present invention;
FIG. 2 is a flow diagram of a simulation modeling of a simulation subsystem according to an embodiment of the present invention;
fig. 3 is a flowchart of a simulation method of a heaven and earth integration management system according to another embodiment of the present invention;
fig. 4 is a flowchart of a simulation method of a space-ground integrated management system according to another embodiment of the present invention;
FIG. 5 is a diagram of a platform architecture simulated by the integrated management system for heaven and earth integration according to the embodiment of the present invention;
FIG. 6 is a management flow chart of simulation of the integrated management system for heaven and earth integration according to the embodiment of the present invention;
FIG. 7 is a flowchart of a simulation of the integrated management system for heaven and earth integration according to the embodiment of the present invention;
fig. 8 is a block diagram of a simulation apparatus of the integrated management system for heaven and earth integration according to the embodiment of the present invention;
fig. 9 is a block diagram of a model building module according to an embodiment of the present invention.
Detailed Description
The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The following description includes various specific details to aid understanding, but these details are to be regarded as illustrative only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. In addition, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
The terms and words used in the following description and claims are not limited to literature meanings, but are used only by the inventor to enable the disclosure to be clearly and consistently understood. Accordingly, it should be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.
It is to be understood that the singular forms also include the plural reference unless the context clearly dictates otherwise. Thus, for example, reference to a "component surface" includes reference to one or more such surfaces.
The first embodiment is as follows:
fig. 1 is a flowchart of a simulation method of the integrated management system for heaven and earth integration according to the embodiment. Referring to fig. 1, the simulation of the integrated management system for heaven and earth integration described in this embodiment includes the following steps:
step S101, receiving simulation configuration parameters, and selecting a corresponding simulation subsystem according to the simulation configuration parameters.
The simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system. The constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission. The RTI interface is a communication system underlying HLA (advanced computer architecture). The application layer and the bottom layer service are separated by a universal service support program provided by the application HLA technology, each part can be independently developed, and quick combination and reconfiguration can be realized.
As a software architecture, the HLA can cover as much as possible different types of simulation systems involved in the modeling and simulation fields, and facilitates reusability and interoperability among them, while being able to meet the simulation requirements of complex large systems with new technologies that are continuously being developed. The most prominent characteristic of HLA is that the application layer is separated from the bottom running support environment by providing relatively independent and universal support service program, so that each part is developed relatively independently and rapid combination and reconfiguration of the federation can be realized.
Specifically, the simulation configuration parameters may include system-level simulation parameter configuration, and parameter configuration interfaces are provided for the constellation simulation system, the physical link layer simulation system, and the communication protocol simulation system, respectively, so as to support addition and setting of simulation parameters, and data transmission may be performed through an internal interface. The simulation configuration parameters may be entered by a user through an input interface in the form of a simulation task. Through analysis of simulation tasks, a proper simulation mode is selected, and simulation mode management calls a simulation mode database to give suggestions of a reusable simulation framework, a simulation tool and the like.
In this embodiment, the simulation configuration parameters may be added in a file import manner, and by analyzing the number, types, functions, and the like of the parameters in the imported file, the newly added parameters are added to the system, and the simulation result may also be exported and analyzed in a file form.
In this embodiment, the constellation simulation system completes coverage analysis and visibility analysis according to the simulation configuration parameters, and outputs parameters such as satellite orbit ephemeris to the satellite-to-satellite channel simulation system, the physical layer link simulation system, and the communication protocol simulation system. And the physical layer simulation system simulates physical layer link parameters according to the simulation configuration parameters and sends the physical layer link parameters to the communication protocol simulation system. The communication protocol simulation system completes the simulation of the performance of the communication protocol and the algorithm and sends the result to the integrated management system for display.
And S102, establishing a corresponding simulation model for the selected simulation subsystem, and simulating through the simulation model.
And the simulation model library, the algorithm library, the protocol library and other simulation model libraries can be called for multiplexing according to needs in the simulation system modeling process. A specific simulation function in simulation system modeling can be realized in three ways. The first way is that the autonomously developed simulation function (the function module is completely autonomously developed) can be directly integrated in the platform; the second mode is that integrated simulation functions are called (for example, tools such as STK, Matlab and the like provide part of API interfaces for calling), and for the integration of the simulation functions in an integrated platform, the integration is responsible for parameter input and result output display, and a background calls a specific functional interface to realize the function; the third way is to provide a corresponding launch portal in the integration platform only by launching the integrated simulation tool (for simulation tools that do not expose API interfaces).
Referring to FIG. 2, in one embodiment, establishing a corresponding simulation model for the selected simulation system may include the steps of:
step S201, selecting corresponding simulation modeling tools, and starting RTI interfaces among the simulation modeling tools.
Wherein, each simulation modeling tool is connected through an RTI interface; the simulation modeling tool includes at least one of matlab, systemvue, ADS, STK, and NS 2.
Aiming at simulation modeling tools needed by simulation of each module of a constellation simulation system, a physical layer link simulation system, a satellite-to-ground satellite channel simulation system and a communication protocol simulation system, RTI interfaces of various modeling simulation software such as VC, STK, Matlab, SystemVue, ADS, Opnet, NS2 and the like are established, an integrated management system can be used for calling a plurality of software, and mutual calling among the software can be realized. Model libraries based on various simulation software can be called and data exchange can be carried out. Various simulation modeling tools for system integration may be invoked, as well as models and algorithms developed based on the various tools. And a model template with a standard format is defined, parameter information in the model can be analyzed and read and written, and consistency of model data and interfaces is ensured.
Step S202, establishing a simulation model through each simulation modeling tool, or establishing a simulation model by calling a model library, an algorithm library and a protocol library.
In this embodiment, the setting and management requirements for the simulation mode are as follows: the system-level full-link simulation is completed in a joint simulation mode, and the simulation is performed on a single layer or a key algorithm in an independent simulation mode.
In addition, in this embodiment, the main interfaces involved in the simulation method of the integrated management system for heaven and earth integration include:
the system comprises a constellation simulation system, a physical layer link simulation system, an inter-satellite channel simulation system and a calling interface of a communication protocol simulation system, wherein the calling interface comprises: starting the interfaces of the simulation modeling tools; transferring corresponding parameters, and calling an interface of the established model running in the background; interfaces for transferring simulation results of the simulation modeling tools;
the constellation simulation system mainly transmits ephemeris orbit data to output interfaces of a satellite-to-ground inter-satellite channel simulation system, a physical layer link simulation system and a communication protocol simulation system;
the physical layer link simulation system outputs link performance data and provides a data transmission and interaction interface of link quality parameters to the communication protocol simulation system;
the signal and data interaction interface among the antenna simulation, radio frequency simulation and baseband signal simulation modules in the physical layer link simulation system;
and the data transmission interface between the communication protocol simulation system and the constellation simulation system is used for outputting a simulation result to the constellation simulation system by the communication protocol simulation system so as to dynamically demonstrate.
Data transmission and information interaction are required among the subsystems, the simulation systems are used as federal members in an HLA system, are interconnected through standard RTI interfaces in an RTI operation support environment, follow standard RTI interface specifications, have reusability and can be developed secondarily. The platform interface can call simulation software used in each subsystem, can call the existing model and algorithm, and supports the addition and the change of the simulation model and the algorithm.
Referring to fig. 3, in an embodiment, a simulation method of a heaven-earth integrated management system may include:
step S101, receiving simulation configuration parameters, and selecting a corresponding simulation system according to the simulation configuration parameters.
The simulation system comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission.
And S102, establishing a corresponding simulation model for the selected simulation system, and simulating through the simulation model.
And S103, storing the simulation result, and analyzing and demonstrating the simulation result and the simulation scene.
Optionally, the analyzing and demonstrating the simulation result specifically includes: and displaying each node in the simulated scene in real time, the motion state of each node, the data communication relation among the nodes and the data forwarding path. Specifically, according to the simulation topology and scene specified by the user, the data such as topology, motion trail, inter-node session time statistic and the like required by interaction with each simulation unit are displayed in real time, and the simulated scene comprises each node in the scene, the motion state of each node, the data communication relation among the nodes and the data forwarding path. And the data to be analyzed can be exported, and the change curve can be displayed in real time in a display interface.
In the embodiment, for the analysis of the simulation result, the autonomously developed simulation function can directly perform result analysis in the integrated platform; displaying in a designated area in the integrated platform by calling the result analysis of the integrated simulation module; for simulation functions that can only be integrated by starting, the simulation results are analyzed in the corresponding simulation tool. Simulation parameter input, simulation process data, simulation results and the like in the simulation process are stored in a simulation experiment database, so that the playback of simulation, the after analysis of the simulation results and the reuse of the simulation input parameters are facilitated.
Preferably, the embodiment of the present invention further provides various tools (such as bar graphs, curve graphs, tables, etc.) for visually displaying satellite communication experimental data, and a data statistical analysis tool (such as mean comparison analysis, variance comparison analysis, standard deviation confidence interval analysis, etc.), analyzes and processes the whole process state data generated by simulation, extracts performance indexes of various network protocols and algorithms such as system throughput, system delay, call failure rate, etc., according to the set processing rules, and provides an accurate and powerful data support for further optimizing the communication function.
For a common typical simulation scene, a complete scene can be directly called and demonstrated, and the typical scene can be selected and called on a simulation configuration interface.
In the embodiment, a convenient user operation interface can be provided, functions such as simulation function selection, simulation parameter input and output, simulation process control and the like can be performed, and a good visual platform can be provided for demonstration of simulation scenes and simulation results.
Referring to fig. 4, in an embodiment, a simulation method of a heaven-earth integrated management system may include:
step S101, receiving simulation configuration parameters, and selecting a corresponding simulation subsystem according to the simulation configuration parameters.
The simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission.
And S102, establishing a corresponding simulation model for the selected simulation subsystem, and simulating through the simulation model.
And step S104, controlling and managing the configuration of simulation parameters, the simulation scene and the simulation progress, and prompting the abnormity appearing in the simulation process in real time.
The simulation operation control management is used for controlling and managing simulation parameter configuration, a simulation scene, a simulation operation progress and a simulation database, can perform operations such as 'simulation saving', 'simulation starting', 'simulation pausing', 'simulation stopping', and the like, and pops up a response prompt in real time for problems in simulation operation.
Further, in the simulation process, data management is also needed. Specifically, the data management mainly manages and stores configuration data, input and output data, models and algorithms of a constellation simulation system, a satellite-to-ground inter-satellite link simulation system, a physical layer link simulation system and a communication protocol simulation system. The data management can integrate models and algorithms in MATLAB, System Vue, ADS, Opnet, NS2, STK and other software, and perform unified management and storage. The data management can also realize the calling of the model and the algorithm on a parameter configuration interface through an internal interface so as to facilitate the implementation of simulation processes such as a physical link, a communication protocol and the like.
Data generated in the simulation process and simulation results can also be derived and stored. The specific functions are as follows: file storage, namely storing a simulation configuration file, a simulation model file and a simulation processing result file, and establishing a data file information list; and storing information, namely storing the whole simulation process information and the intermediate result, wherein the simulation information comprises contents such as simulation time, operation progress, software name, simulation mode type, data path and the like.
Fig. 5 is a diagram of a platform architecture for simulation of the integrated management system for heaven and earth integration provided by the embodiment of the present invention. Referring to fig. 5, the simulation tool of the constellation simulation system is STK, and the input simulation parameters include satellite type, satellite number, user number, orbit files, and the like. The constellation simulation system sends the ephemeris track to a satellite-to-ground inter-satellite channel simulation system and a physical layer link simulation system.
The physical layer link simulation system comprises an antenna simulation subsystem, a radio frequency simulation subsystem and a baseband signal processing subsystem. The antenna simulation subsystem transmits signals to the satellite-to-satellite channel simulation system and receives signals returned by the satellite-to-satellite channel simulation system. The radio frequency simulation subsystem sends a radio frequency modulation signal to the antenna simulation subsystem and receives a radio frequency receiving signal returned by the antenna simulation subsystem. The baseband signal processing subsystem sends a baseband modulation signal to the radio frequency simulation subsystem and receives a radio frequency down-conversion signal returned by the radio frequency simulation subsystem.
The antenna simulation subsystem also sends the directional diagram parameters and the array unit mutual coupling parameters to the integrated management simulation platform. The radio frequency simulation subsystem also sends the radio frequency circuit structure and the radio frequency technical index parameters to the integrated management simulation platform. The baseband signal processing subsystem also sends the performance index of the baseband signal to the integrated management simulation platform.
The communication protocol emulation system can include an application layer protocol emulation subsystem, a transport layer protocol emulation subsystem, a network layer protocol emulation subsystem, and a link layer protocol emulation subsystem. And the physical layer link simulation system outputs the link performance data and the link quality parameter data to the communication protocol simulation system.
The communication protocol simulation system completes the simulation of the performance of the communication protocol and the algorithm, and sends the result to a simulation result display module of the integrated management system for display.
Fig. 6 is a management flowchart of simulation of the integrated management system for heaven and earth integration provided by the embodiment of the present invention. Referring to fig. 6, through analysis of the simulation task, a suitable simulation mode is selected, and simulation mode management calls a simulation mode database to give suggestions of a reusable simulation framework, a simulation tool and the like.
And modeling the simulation system according to the selection of the simulation mode, and calling a model library, an algorithm library, a protocol library and other simulation model libraries for multiplexing according to needs in the simulation system modeling process.
A specific simulation function in simulation system modeling can be realized in three ways. The first mode is as follows: the autonomously developed simulation function (the functional module is completely autonomously developed) can be directly integrated in the platform; the second way is: calling integrated simulation functions (such as STK, Matlab and other tools provide part of API interfaces for calling), and calling specific function interfaces to realize the integration of the simulation functions in an integrated platform, wherein the integration of the simulation functions is responsible for parameter input and result output display; the third mode is as follows: corresponding launch portals can only be provided in the integration platform by launching the integrated simulation tool (for simulation tools that do not expose the API interface).
For the analysis of simulation results, the autonomously developed simulation function can directly analyze the results in the integrated platform; displaying in a designated area in the integrated platform by calling the result analysis of the integrated simulation module; for simulation functions that can only be integrated by starting, the simulation results are analyzed in the corresponding simulation tool.
Simulation parameter input, simulation process data, simulation results and the like in the simulation process are stored in a simulation experiment database, so that the playback of simulation, the after analysis of the simulation results and the reuse of the simulation input parameters are facilitated.
Fig. 7 is a flowchart of simulation of the integrated management system for heaven and earth integration provided in the embodiment of the present invention. Referring to fig. 7, the specific process of the simulation of the integrated management system for heaven and earth integration is as follows:
firstly, a simulation worker carries out parameter configuration through the integrated management system, receives the parameter configuration, enters a system simulation mode and calls out a constellation simulation system.
Secondly, in a constellation simulation system, a constellation is designed according to the requirements of system communication time, coverage area and the like, the result is output to an integrated management system, and information such as satellite ephemeris and terminal operation track is output to a physical layer simulation design, a satellite-to-ground inter-satellite channel model and a communication protocol simulation design.
Then, the physical layer simulation design calls a satellite-to-ground satellite channel model, channel information such as dynamic Doppler, attenuation and the like is obtained by using a satellite ephemeris and a terminal running track, and the physical layer simulation design analysis is carried out according to the channel information; and obtaining corresponding BER/FER and SNR/SINR analysis.
And then, combining the satellite ephemeris, the terminal operation track, the physical layer BER/FER, the SNR/SINR analysis and the simulation protocol operation process, outputting the results of the service throughput rate, the access probability, the time delay, the jitter and the like to the integrated management system, and simultaneously sending the information of the communication service simulation process, including communication on-off, key process display and the like, to constellation simulation.
And finally, receiving a communication protocol simulation design result by constellation simulation, performing 2D and 3D dynamic demonstration on the process, and integrating the process into an integrated management system.
The simulation method of the integrated management system adopts an HLA/RTI distributed system as a basic framework of a simulation verification platform, can realize the calling and management of simulation modules of different types and a plurality of simulation tools through the operation of a human-computer interaction interface, and is a simulation verification tool for supporting the scheme design, product development and test of a plurality of model projects. The method can realize the integration and interaction of all functional modules of the satellite communication system, integrate various simulation modeling tools, establish a joint simulation mode of all the modules of the satellite communication system, establish a simulation data management platform of all the subsystems, realize the integration and interaction of all the functional modules of the satellite communication system, and call and manage a constellation simulation system, a physical layer link simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the standard RTI interfaces are interconnected to realize command interaction and data exchange among the modules, various functional software such as modeling, simulation design, result analysis and the like are integrated, simulation resources are uniformly managed, and reusability of a simulation model and efficiency of a simulation experiment are improved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Example two:
fig. 8 shows a block diagram of a simulation apparatus of the integrated management system in a space-ground manner according to an embodiment of the present invention, which corresponds to the simulation method of the integrated management system in a space-ground manner described in the above embodiment. For convenience of explanation, only the part related to the present embodiment is shown, and the repeated part of the simulation method of the integrated management system for heaven and earth described in the above embodiment is not repeated.
Referring to fig. 8, the simulation apparatus of the integrated management system for heaven and earth integration according to this embodiment may include: a configuration parameters module 801 and a model building module 802. Wherein
And the configuration parameter module 801 is configured to receive the simulation configuration parameters, and select a corresponding simulation subsystem according to the simulation configuration parameters. The simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system. The constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission.
A model establishing module 802, configured to establish a corresponding simulation model for the selected simulation subsystem, and perform simulation through the simulation model.
Referring to fig. 8, preferably, the simulation apparatus of the integrated heaven and earth management system may further include a storage display module 803. Wherein:
and the storage and display module 803 is used for storing the simulation result and analyzing and demonstrating the simulation result and the simulation scene.
As an implementation manner, the storage and display module 803 is specifically configured to:
and displaying each node in the simulated scene in real time, the motion state of each node, the data communication relation among the nodes and the data forwarding path.
Referring to fig. 9, further, the model building module 802 includes: a processing unit 901 and a modeling unit 902. Wherein:
and the processing unit 901 is configured to select a corresponding simulation modeling tool and start an RTI interface between the simulation modeling tools. Each simulation modeling tool is connected through an RTI interface; the simulation modeling tool includes at least one of matlab, systemvue, ADS, STK, and NS 2.
And the modeling unit 902 is used for establishing a simulation model through each simulation modeling tool or establishing a simulation model by calling a model library, an algorithm library and a protocol library.
Referring to fig. 8, further, the simulation apparatus of the integrated heaven and earth management system may further include an operation control module 804. Wherein:
and the operation control module 804 is used for controlling and managing simulation parameter configuration, simulation scenes and simulation progress, and prompting abnormity appearing in the simulation process in real time.
In the embodiment of the present invention, the integrated management system corresponds to a system platform corresponding to the simulation method of the integrated management system in the embodiment of the present invention, and corresponds to a platform architecture of the simulation device of the integrated management system in the embodiment of the present invention.
The simulation device of the integrated management system can realize system-level simulation of physical layer links, communication protocols and constellations, key subsystem-level simulation of a satellite-to-ground satellite channel system, key component simulation of a baseband processing circuit, a radio frequency circuit, an integrated circuit and an antenna, integrated management and simulation are realized, simulation verification is carried out on a satellite communication system and a data acquisition system, and development of various satellite communication systems and data acquisition systems are supported.
It should be noted that the various embodiments of the present disclosure as described above generally relate to the processing of input data and the generation of output data to some extent. This input data processing and output data generation may be implemented in hardware or software in combination with hardware. For example, certain electronic components may be employed in a mobile device or similar or related circuitry for implementing the functions associated with the various embodiments of the present disclosure as described above. Alternatively, one or more processors operating in accordance with stored instructions may implement the functions associated with the various embodiments of the present disclosure as described above. If so, it is within the scope of the present disclosure that these instructions may be stored on one or more non-transitory processor-readable media. Examples of the processor-readable medium include read-only memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tapes, floppy disks, and optical data storage devices. In addition, functional computer programs, instructions, and instruction segments for implementing the present disclosure can be easily construed by programmers skilled in the art to which the present disclosure pertains.
While the disclosure has been shown and described with reference to various embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents.
Claims (10)
1. A simulation method of a heaven and earth integrated management system is characterized by comprising the following steps:
receiving simulation configuration parameters, and selecting a corresponding simulation subsystem according to the simulation configuration parameters; the simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission;
selecting corresponding simulation modeling tools, and starting RTI interfaces among the simulation modeling tools; each simulation modeling tool is connected through an RTI interface;
and establishing a simulation model through each simulation modeling tool, or establishing a simulation model by calling a model library, an algorithm library and a protocol library, and performing simulation through the simulation model.
2. The method of claim 1, further comprising:
and storing the simulation result, and analyzing and demonstrating the simulation result and the simulation scene.
3. The method of claim 2, wherein the analyzing and demonstrating the simulation result and the simulation scenario specifically comprises:
and displaying each node in the simulated scene in real time, the motion state of each node, the data communication relation among the nodes and the data forwarding path.
4. The method of claim 1, wherein the simulation modeling tool comprises at least one of matlab, systemvue, ADS, STK, and NS 2.
5. The method of claim 1, further comprising:
and controlling and managing simulation parameter configuration, simulation scenes and simulation progress, and prompting the abnormity appearing in the simulation process in real time.
6. A simulation device of a heaven and earth integrated management system is characterized by comprising:
the configuration parameter module is used for receiving simulation configuration parameters and selecting a corresponding simulation subsystem according to the simulation configuration parameters; the simulation subsystem comprises at least one of a constellation simulation system, a physical link layer simulation system, a satellite-to-ground inter-satellite channel simulation system and a communication protocol simulation system; the constellation simulation system, the physical link layer simulation system, the satellite-to-ground inter-satellite channel simulation system and the communication protocol simulation system are connected through RTI interfaces and carry out data transmission;
the processing unit is used for selecting corresponding simulation modeling tools and starting RTI interfaces among the simulation modeling tools; each simulation modeling tool is connected through an RTI interface;
and the modeling unit is used for establishing a simulation model through each simulation modeling tool, or establishing a simulation model by calling a model library, an algorithm library and a protocol library, and performing simulation through the simulation model.
7. The apparatus of claim 6, further comprising:
and the storage display module is used for storing the simulation result and analyzing and demonstrating the simulation result and the simulation scene.
8. The apparatus of claim 7, wherein the storage display module is configured to:
and displaying each node in the simulated scene in real time, the motion state of each node, the data communication relation among the nodes and the data forwarding path.
9. The apparatus of claim 6, wherein the simulation modeling tool comprises at least one of matlab, systemvue, ADS, STK, and NS 2.
10. The apparatus of claim 6, further comprising:
and the operation control module is used for controlling and managing simulation parameter configuration, simulation scenes and simulation progress and prompting abnormity appearing in the simulation process in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108337036A (en) * | 2018-02-06 | 2018-07-27 | 西安四方星途测控技术有限公司 | A kind of inter-satellite link analogue system based on navigation satellite constellation |
| CN109918761B (en) * | 2019-03-01 | 2023-06-13 | 上海微小卫星工程中心 | Method for analyzing coverage performance of constellation |
| CN109861742B (en) * | 2019-03-01 | 2021-10-26 | 上海微小卫星工程中心 | Method for determining constellation configuration |
| CN111935767B (en) * | 2020-10-09 | 2021-01-15 | 北京微智信业科技有限公司 | Network simulation system |
| CN112564937B (en) * | 2020-10-30 | 2023-04-07 | 中科南京移动通信与计算创新研究院 | Simulation platform and simulation method based on heaven-earth integrated information network |
| CN112803985B (en) * | 2020-12-29 | 2022-11-29 | 上海卫星工程研究所 | Long-baseline dynamic inter-satellite communication and inter-satellite measurement verification method and system |
| CN114818396B (en) * | 2022-06-29 | 2022-09-20 | 湖南大佳数据科技有限公司 | Network security shooting range system and drilling method for satellite navigation system |
| CN115220367B (en) * | 2022-09-21 | 2022-12-27 | 北京航天驭星科技有限公司 | Virtual satellite measurement and control simulation method and device |
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