CN110501722B - Software defined in-orbit satellite simulator system and method - Google Patents
Software defined in-orbit satellite simulator system and method Download PDFInfo
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- CN110501722B CN110501722B CN201910750003.XA CN201910750003A CN110501722B CN 110501722 B CN110501722 B CN 110501722B CN 201910750003 A CN201910750003 A CN 201910750003A CN 110501722 B CN110501722 B CN 110501722B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/02—Details of the space or ground control segments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/08—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing integrity information, e.g. health of satellites or quality of ephemeris data
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Abstract
The invention provides an on-orbit satellite simulator system defined by software in the technical field of satellite ground application systems and a design method thereof, wherein the on-orbit satellite simulator system comprises the following steps: a radio frequency layer, an intermediate frequency layer and a software layer; the software layer can describe specific services of the satellite, simulate internal data flow of the satellite, generate satellite-ground interaction simulation data, and communicate with the universal baseband equipment of the intermediate frequency layer through a network to complete conversion between the satellite service simulation data and intermediate frequency signals; the medium frequency layer is responsible for realizing signal system simulation, the radio frequency layer is responsible for realizing frequency point and power simulation, the medium frequency layer is matched with the radio frequency layer to realize hardware simulation of satellite radio frequency signals, a hardware platform for on-orbit satellite radio frequency signal simulation is provided, and the hardware platform is designed in a generalized mode. The invention realizes the function reconstruction of the satellite simulator through the software definition change, improves the reusability and the development efficiency of the satellite simulator, reduces the development cost and has good engineering application value.
Description
Technical Field
The invention relates to the technical field of satellite ground application systems, in particular to a software-defined in-orbit satellite simulator system and a software-defined in-orbit satellite simulator method, which are applied to satellite design and ground application system function verification.
Background
Satellite engineering is a system engineering with high risk, high investment, high complexity and high precision, and a satellite control system is the core of a satellite platform and directly determines the success or failure of satellite tasks, so that various aerospace institutions at home and abroad pay great attention to ground simulation verification work of the satellite control system, various satellite control simulation systems are designed and established, and a large amount of ground simulation and tests are performed in satellite design and development to ensure the success rate of in-orbit operation of satellites.
In addition, during satellite demand analysis and scheme design, a set of pure software task simulation and efficiency evaluation system is set up to perform simulation verification on partial design and task performance so as to support satellite demand analysis and scheme design, but the system adopts software design, does not access a real physical system, and fails to exert further engineering value.
Through the search of the prior art, the invention of China is a patent No. CN200910137349.9, the invention name is a satellite orbit motion ground simulation system based on the air flotation principle, which comprises an air flotation platform, an air foot arranged on the air flotation platform, a high pressure air source connected with the air foot and a central gravitation simulation device, wherein the central gravitation simulation device comprises: the first central shaft is vertically arranged in the middle of the air floatation platform; a first magnet horizontally mounted on the first central shaft; the second central shaft is vertically arranged on the air foot; the second magnet is horizontally arranged on the second central shaft, and the resultant force action line of the magnetic force of the second magnet and the first magnet passes through the connecting line of the first central shaft and the second central shaft. The method for applying the system comprises the following steps: a high-pressure air source is started, a layer of air film is generated between an air foot and the air floating platform to float the satellite simulator, a certain movement speed is provided for the satellite simulator, a central gravity simulation device provides centripetal force for circular movement of the satellite simulator, and the satellite simulator rotates on the air floating platform around a central shaft fixed on the air floating platform without friction. The invention can not solve the technical problems of reusability, development efficiency and the like of the satellite simulator.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a software defined in-orbit satellite simulator system and method.
According to the invention, the software-defined in-orbit satellite simulator system comprises: a radio frequency layer, an intermediate frequency layer and a software layer;
the software layer can describe specific services of the satellite and comprises a comprehensive electronic simulation module, a navigation information simulation module, an energy simulation module, a thermal control simulation module, a mechanism simulation module, an attitude control simulation module, an orbit control simulation module, a load simulation module and a data transmission simulation module;
the intermediate frequency layer is responsible for realizing signal system simulation, consists of measurement and control and data transmission general baseband equipment and realizes remote measurement, remote control and data transmission intermediate frequency signal simulation;
the radio frequency layer is responsible for realizing navigation signal receiving, frequency point and power simulation;
the software layer receives remote control data sent by the measurement and control comprehensive baseband of the intermediate frequency layer and navigation data sent by the multimode navigation receiver of the radio frequency layer through a network, responds to remote control instructions and navigation information, simulates data flow in a satellite according to a simulation model, generates satellite-ground interactive remote measurement and data transmission simulation data, and communicates with general measurement and control comprehensive baseband equipment and high-code-rate data transmission baseband equipment of the intermediate frequency layer through the network to complete conversion between satellite service simulation data and intermediate frequency signals;
the intermediate frequency layer and the radio frequency layer cooperate to realize satellite measurement and control and data transmission radio frequency signal hardware simulation, provide the hardware platform of in-orbit satellite radio frequency signal simulation, the hardware platform realizes remote control and navigation radio frequency signal reception, telemetering measurement and data transmission radio frequency signal simulation, the hardware platform adopts the universalization design.
In some embodiments, the radio frequency layer includes a general navigation receiver and a microwave component, the general navigation receiver adopts a commercial multi-mode multi-frequency navigation receiver, and the multi-mode multi-frequency navigation receiver can cover the reception of navigation signals of different systems.
In some embodiments, the microwave component is a broadband frequency converter, a broadband power amplifier.
In some embodiments, the intermediate frequency layer uses a measurement and control and data transmission general baseband device based on a software radio technology, and supports various modulation systems and coding modes.
In some embodiments, the generic baseband device of the intermediate frequency layer and the generic navigation receiver of the radio frequency layer are interconnected with the software components of the software layer via a gigabit/gigabit network.
In some embodiments, the software layer includes an energy simulation module, a thermal control simulation module, a mechanism simulation module, an attitude control simulation module, a trajectory control simulation module, a navigation information simulation module, and a comprehensive electronic simulation module.
In some embodiments, the integrated electronic simulation module and the navigation information simulation module receive remote control data and navigation information sent by the intermediate frequency layer and the radio frequency layer through a gigabit network, and transmit the remote control data and the navigation information to each function module of the energy simulation module, the thermal control simulation module, the mechanism simulation module, the attitude control simulation module and the rail control simulation module through an internal bus, wherein each function module responds to a remote control instruction and the navigation information.
In some embodiments, the energy simulation module, the thermal control simulation module, the integrated electronic simulation module, and the attitude control simulation module interact information via a soft bus, and generate telemetry data to ground according to a simulation model simulation platform service data stream.
In some embodiments, the software layer is integrated with a task simulation and performance evaluation system in an early stage of satellite design, and can simulate to generate a satellite load remote sensing data stream, and remote sensing data to the ground is generated through data transmission channel formatting simulation.
A method of a software-defined in-orbit satellite simulator, comprising the steps of:
the method comprises the following steps: the method comprises the following steps of finishing interconnection of microwave components of a universal baseband device and a radio frequency layer of an intermediate frequency layer, namely a broadband frequency converter and a broadband power amplifier, and finishing radio frequency integration of the radio frequency layer and the intermediate frequency layer, wherein the universal baseband device and the universal navigation receiver of the intermediate frequency layer are interconnected with software components of a software layer through a gigabit/ten-gigabit network;
step two: the universal baseband equipment of the intermediate frequency layer is configured to be in an intermediate frequency analog source mode, namely a ground transceiving mode is converted into a satellite-side analog mode;
step three: the ground remote control signal is converted into remote control data through frequency conversion of a radio frequency layer and demodulation of an intermediate frequency measurement and control baseband, and the remote control data is sent to a software layer through a gigabit network; the ground navigation signal is sent to a navigation receiver of a radio frequency layer to obtain navigation positioning timing information, and the navigation positioning timing information is sent to a software layer through a gigabit network;
step four: the integrated module and the navigation module of the software layer receive remote control data and navigation information sent by the intermediate frequency layer and the radio frequency layer through a gigabit network, and transmit the remote control data and the navigation information to each functional module of energy, thermal control, integrated power and attitude control through an internal bus, and each functional module responds to a remote control instruction and the navigation information;
step five: the energy, thermal control, comprehensive electricity and attitude control functional modules of the software layer exchange information through a soft bus, and generate telemetering data to the ground according to the service data flow of the simulation model simulation platform;
step six: integrating a task simulation and efficiency evaluation system in the early stage of satellite design into a software layer of a satellite simulator, simulating to generate a satellite load remote sensing data stream, and generating remote sensing data to the ground through data transmission channel formatting simulation;
step seven: telemetering and remote sensing data generated by the software layer is sent to baseband equipment of the intermediate frequency layer through a gigabit/gigabit network, modulation parameters of the baseband equipment are controlled, and software simulation data are converted into required intermediate frequency signals;
step eight: and the intermediate frequency signal is sent to a broadband frequency converter of a radio frequency layer, the parameters of the frequency converter are configured, a radio frequency signal of a required frequency point is generated, and the simulated satellite radio frequency signal is formed through link power adjustment and power synthesis.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention realizes the function reconstruction of the satellite simulator through the software definition change, improves the reusability and the development efficiency of the satellite simulator, reduces the development cost and has good engineering application value.
2. The hardware of the satellite simulator adopts a universal design, and the simulation requirement of the satellite radio frequency interface can be met only by changing the equipment parameters.
3. The invention adopts a layered design, designs a universal intermediate frequency and radio frequency hardware platform, provides a standard open interface for a software layer of a satellite simulator, and can be used as a software functional module to be integrated in the software layer of the satellite simulator, thereby converting a task simulation and efficiency evaluation system into a physical system for closed-loop verification of a satellite ground application system and physical verification of the satellite overall scheme design and further playing the efficiency of the task simulation and efficiency evaluation system.
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Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a software-defined in-orbit satellite simulator design.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1:
the invention provides a software-defined in-orbit satellite simulator system, comprising: a radio frequency layer, an intermediate frequency layer and a software layer;
the software layer describes specific services of the satellite, simulates data flow inside the satellite, generates satellite-ground interaction simulation data, and communicates with the universal baseband equipment of the intermediate frequency layer through a network to complete conversion between the satellite service simulation data and intermediate frequency signals;
the medium frequency layer is responsible for realizing signal system simulation, the radio frequency layer is responsible for realizing frequency point and power simulation, the medium frequency layer is matched with the radio frequency layer to realize hardware simulation of satellite radio frequency signals, the medium frequency layer and the radio frequency layer provide a hardware platform for on-orbit satellite radio frequency signal simulation in a cooperative mode, and the hardware platform is designed in a generalized mode.
The satellite simulator adopts a layered design and comprises a software layer, an intermediate frequency layer and a radio frequency layer, hardware (intermediate frequency layer and radio frequency layer equipment) of the simulator adopts a universal design, the simulation requirement of a satellite radio frequency interface can be met only by changing equipment parameters, the simulator hardware provides a standard open interface for the software layer, the software layer is used for describing specific services of a satellite, simulating internal data flow of the satellite and generating simulation data of satellite-ground interaction, the hardware of the simulator is universal, the satellite simulator can be quickly reconstructed only through the change defined by the software layer, and the simulation equivalence of different satellites is realized.
The radio frequency layer comprises a general navigation receiver and a microwave component, the general navigation receiver adopts a commercial multi-mode multi-frequency navigation receiver to cover the receiving of navigation signals of different systems of Glonass, GPS and Beidou
The microwave component is a broadband frequency converter and a broadband power amplifier. The microwave component applied to the radio frequency layer is a broadband, namely the radio frequency layer can adapt to the frequency conversion and power regulation requirements of signals of each frequency band of the satellite by adopting broadband design, and the conversion between the satellite radio frequency signals and standard intermediate frequency signals can be completed only by changing the working parameters of equipment.
The intermediate frequency layer adopts measurement and control and data transmission general baseband equipment based on software radio technology, and supports various modulation systems and coding modes. Can cover the modulation, demodulation, coding and decoding requirements of various signals of satellite measurement and control, data transmission and relay systems
The universal baseband device of the intermediate frequency layer and the universal navigation receiver of the radio frequency layer are interconnected with the software components of the software layer through a gigabit/ten-gigabit network.
The software layer is integrated with a task simulation and efficiency evaluation system in the early stage of satellite design, can simulate and generate a satellite load remote sensing data stream, and generates remote sensing data to the ground through data transmission channel formatting simulation. The task simulation and efficiency evaluation system can be converted into a physical system through a software layer, and the physical system is used for closed-loop verification of a satellite ground application system and physical verification of the satellite overall scheme design, so that the efficiency of the task simulation and efficiency evaluation system is further exerted.
The software layer comprises an energy simulation module, a thermal control simulation module, a mechanism simulation module, an attitude control simulation module, a rail control simulation module, a navigation information simulation module and a comprehensive electronic simulation module.
The comprehensive electronic simulation module and the navigation information simulation module receive remote control data and navigation information sent by a medium-frequency layer and a radio-frequency layer through a gigabit network, and transmit the remote control data and the navigation information to each functional module of the energy simulation module, the thermal control simulation module, the mechanism simulation module, the attitude control simulation module and the rail control simulation module through an internal bus, and each functional module responds to a remote control instruction and the navigation information.
An energy simulation module, a thermal control simulation module, a comprehensive electronic module and an attitude control simulation module of the software layer exchange information through a soft bus, and generate telemetering data to the ground according to a simulation model simulation platform service data flow.
Example 2:
a method of using a software-defined in-orbit satellite simulator according to the embodiment 1 of the present invention, comprising the steps of:
the method comprises the following steps: finishing interconnection of universal baseband equipment of the intermediate frequency layer, a broadband frequency converter and a broadband power amplifier of the radio frequency layer, and completing radio frequency integration of the radio frequency layer and the intermediate frequency layer, wherein the universal baseband equipment of the intermediate frequency layer and a universal navigation receiver of the radio frequency layer are interconnected with software components of a software layer through a gigabit/ten-gigabit network;
step two: the universal baseband equipment of the intermediate frequency layer is configured to be in an intermediate frequency analog source mode, namely a ground transceiving mode is converted into a satellite-side analog mode;
step three: the ground remote control signal is converted into remote control data through frequency conversion of a radio frequency layer and demodulation of an intermediate frequency measurement and control baseband, and the remote control data is sent to a software layer through a gigabit network; the ground navigation signal is sent to a navigation receiver of a radio frequency layer to obtain navigation positioning timing information, and the navigation positioning timing information is sent to a software layer through a gigabit network;
step four: the integrated module and the navigation module of the software layer receive remote control data and navigation information sent by the intermediate frequency layer and the radio frequency layer through a gigabit network, and transmit the remote control data and the navigation information to each functional module of energy, thermal control, integrated power and attitude control through an internal bus, and each functional module responds to a remote control instruction and the navigation information;
step five: the energy, thermal control, comprehensive electricity and attitude control functional modules of the software layer exchange information through a soft bus, and generate telemetering data to the ground according to the service data flow of the simulation model simulation platform;
step six: integrating a task simulation and efficiency evaluation system in the early stage of satellite design into a software layer of a satellite simulator, simulating to generate a satellite load remote sensing data stream, and generating ground remote sensing data through data transmission channel formatting simulation;
step seven: telemetering and remote sensing data generated by the software layer is sent to baseband equipment of the intermediate frequency layer through a gigabit/gigabit network, modulation parameters of the baseband equipment are controlled, and software simulation data are converted into required intermediate frequency signals;
and step eight, sending the intermediate frequency signals to a broadband frequency converter of a radio frequency layer, configuring parameters of the frequency converter, generating radio frequency signals of required frequency points, and forming simulated satellite radio frequency signals through link power adjustment and power synthesis.
In conclusion, the invention realizes the function reconstruction of the satellite simulator through the software definition change, improves the reusability and the development efficiency of the satellite simulator, reduces the development cost and has good engineering application value; the hardware of the satellite simulator adopts a universal design, and the simulation requirement of the satellite radio frequency interface can be met only by changing equipment parameters; the invention adopts a layered design, designs a universal intermediate frequency and radio frequency hardware platform, provides a standard open interface for a software layer of a satellite simulator, and can be used as a software functional module to be integrated in the software layer of the satellite simulator, thereby converting a task simulation and efficiency evaluation system into a physical system for closed-loop verification of a satellite ground application system and physical verification of the satellite overall scheme design and further playing the efficiency of the task simulation and efficiency evaluation system.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (5)
1. A software-defined in-orbit satellite simulator system, comprising: a radio frequency layer, an intermediate frequency layer and a software layer;
the software layer can describe specific services of the satellite and comprises a comprehensive electronic simulation module, a navigation information simulation module, an energy simulation module, a thermal control simulation module, a mechanism simulation module, an attitude control simulation module, an orbit control simulation module, a load simulation module and a data transmission simulation module;
the intermediate frequency layer is responsible for realizing signal system simulation, consists of measurement and control and data transmission general baseband equipment and realizes remote measurement, remote control and data transmission intermediate frequency signal simulation;
the radio frequency layer is responsible for realizing navigation signal receiving, frequency point and power simulation;
the software layer receives remote control data sent by the measurement and control comprehensive baseband of the intermediate frequency layer and navigation data sent by the multimode navigation receiver of the radio frequency layer through a network, responds to remote control instructions and navigation information, simulates data flow in a satellite according to a simulation model, generates satellite-ground interactive remote measurement and data transmission simulation data, and communicates with general measurement and control comprehensive baseband equipment and high-code-rate data transmission baseband equipment of the intermediate frequency layer through the network to complete conversion between satellite service simulation data and intermediate frequency signals;
the intermediate frequency layer and the radio frequency layer are matched to realize the hardware simulation of satellite measurement and control and data transmission radio frequency signals, and a hardware platform for on-orbit satellite radio frequency signal simulation is provided, the hardware platform realizes the remote control and navigation radio frequency signal receiving, remote measurement and data transmission radio frequency signal simulation, and the hardware platform adopts a universal design;
the integrated electronic simulation module and the navigation information simulation module receive remote control data and navigation information sent by a medium-frequency layer and a radio-frequency layer through a gigabit network, and transmit the remote control data and the navigation information to each functional module of the energy simulation module, the thermal control simulation module, the mechanism simulation module, the attitude control simulation module and the rail control simulation module through an internal bus, and each functional module responds to a remote control instruction and navigation information;
the energy simulation module, the thermal control simulation module, the comprehensive electronic simulation module and the attitude control simulation module exchange information through a soft bus, and generate telemetering data to the ground according to a simulation model simulation platform service data flow;
the software layer is integrated with a task simulation and efficiency evaluation system in the early stage of satellite design, can simulate and generate a satellite load remote sensing data stream, and generates remote sensing data to the ground through data transmission channel formatting simulation;
the software-defined in-orbit satellite simulator system comprises the following steps:
the method comprises the following steps: finishing interconnection of universal baseband equipment of the intermediate frequency layer, a broadband frequency converter and a broadband power amplifier of the radio frequency layer, and completing radio frequency integration of the radio frequency layer and the intermediate frequency layer, wherein the universal baseband equipment of the intermediate frequency layer and a universal navigation receiver of the radio frequency layer are interconnected with software components of a software layer through a gigabit/ten-gigabit network;
step two: the universal baseband equipment of the intermediate frequency layer is configured to be in an intermediate frequency analog source mode, namely a ground transceiving mode is converted into a satellite-side analog mode;
step three: the ground remote control signal is converted into remote control data through frequency conversion of a radio frequency layer and demodulation of an intermediate frequency measurement and control baseband, and the remote control data is sent to a software layer through a gigabit network; the ground navigation signal is sent to a navigation receiver of a radio frequency layer to obtain navigation positioning timing information, and the navigation positioning timing information is sent to a software layer through a gigabit network;
step four: the integrated module and the navigation module of the software layer receive remote control data and navigation information sent by the intermediate frequency layer and the radio frequency layer through a gigabit network, and transmit the remote control data and the navigation information to each functional module of energy, thermal control, integrated power and attitude control through an internal bus, and each functional module responds to a remote control instruction and the navigation information;
step five: the energy, thermal control, comprehensive electricity and attitude control functional modules of the software layer exchange information through a soft bus, and generate telemetering data to the ground according to the service data flow of the simulation model simulation platform;
step six: integrating a task simulation and efficiency evaluation system in the early stage of satellite design into a software layer of a satellite simulator, simulating to generate a satellite load remote sensing data stream, and generating ground remote sensing data through data transmission channel formatting simulation;
step seven: telemetering and remote sensing data generated by the software layer is sent to baseband equipment of the intermediate frequency layer through a gigabit/gigabit network, modulation parameters of the baseband equipment are controlled, and software simulation data are converted into required intermediate frequency signals;
and step eight, sending the intermediate frequency signals to a broadband frequency converter of a radio frequency layer, configuring parameters of the frequency converter, generating radio frequency signals of required frequency points, and forming simulated satellite radio frequency signals through link power adjustment and power synthesis.
2. The software-defined in-orbit satellite simulator system of claim 1, wherein the radio frequency layer comprises a general navigation receiver and a microwave component, the general navigation receiver is a commercial multi-mode multi-frequency navigation receiver, and the multi-mode multi-frequency navigation receiver can cover reception of navigation signals of different systems.
3. The software defined in-orbit satellite simulator system of claim 2, wherein the microwave components are broadband frequency converters, broadband power amplifiers.
4. The software-defined in-orbit satellite simulator system of claim 1, wherein the intermediate frequency layer employs measurement and control, data transmission general baseband equipment based on software radio technology, and supports various modulation schemes and coding schemes.
5. The software defined in-orbit satellite simulator system of claim 1, wherein the generic baseband device of the intermediate frequency layer, the generic navigation receiver of the radio frequency layer are interconnected to the software components of the software layer by a gigabit/gigabit network.
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| CN110907965B (en) * | 2019-11-27 | 2020-07-17 | 中国科学院微小卫星创新研究院 | Navigation task processor simulator and implementation method thereof |
| CN110824507B (en) * | 2019-11-27 | 2020-11-10 | 中国科学院微小卫星创新研究院 | Simulator of upper note receiving processor of navigation satellite |
| CN110865556B (en) * | 2019-12-03 | 2021-06-22 | 中国科学院软件研究所 | Virtual satellite, and test platform and method for software and algorithm based on virtual satellite |
| CN112394373B (en) * | 2021-01-19 | 2021-04-23 | 湖南矩阵电子科技有限公司 | Channel performance test system and method of satellite navigation anti-interference baseband chip |
| CN113835774B (en) * | 2021-08-11 | 2023-03-21 | 中国电子科技集团公司第二十九研究所 | Efficient load software reconstruction method based on satellite-ground self-closed loop |
| CN114625024B (en) * | 2022-01-29 | 2024-08-30 | 北京控制工程研究所 | Modular control system simulation platform and method based on soft bus |
| CN115345033B (en) * | 2022-10-18 | 2023-01-13 | 湖南矩阵电子科技有限公司 | Navigation signal simulation system and method based on modular simulation component |
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