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Software-defined on-orbit satellite simulator system and method

A technology of software definition and simulator, applied in the field of satellite ground application system, can solve the problems of reusability and development efficiency of satellite simulators, and achieve the effect of improving reusability and development efficiency, good engineering application value, and exerting effectiveness

Active Publication Date: 2019-11-26
上海航天空间技术有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

This invention also cannot solve technical problems such as the reusability and development efficiency of satellite simulators

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  • Software-defined on-orbit satellite simulator system and method

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Embodiment 1

[0037] The invention provides a software-defined on-orbit satellite simulator system, comprising: a radio frequency layer, an intermediate frequency layer, and a software layer;

[0038] The software layer describes the specific business of the satellite, simulates the internal data flow of the satellite, generates the simulation data of the satellite-ground interaction, and communicates with the general baseband equipment of the intermediate frequency layer through the network, and completes the communication between the satellite business simulation data and the intermediate frequency signal. conversion;

[0039] The intermediate frequency layer is responsible for signal system simulation, the radio frequency layer is responsible for frequency point and power simulation, the intermediate frequency layer cooperates with the radio frequency layer to realize the hardware simulation of satellite radio frequency signals, and the intermediate frequency layer cooperates with the rad...

Embodiment 2

[0050] A method for a software-defined on-orbit satellite simulator, adopting the software-defined on-orbit satellite simulator system in the above-mentioned embodiment 1 of the present invention, comprises the steps:

[0051] Step 1: Interconnect the universal baseband equipment of the intermediate frequency layer with the broadband frequency converter and broadband power amplifier of the radio frequency layer, and complete the radio frequency integration of the radio frequency layer and the intermediate frequency layer. Among them, the general baseband equipment of the intermediate frequency layer and the general navigation of the radio frequency layer The receiver is interconnected with the software components of the software layer through a Gigabit / 10 Gigabit network;

[0052] Step 2: The general-purpose baseband equipment of the intermediate frequency layer is configured as the intermediate frequency analog source mode, that is, the ground transceiver mode is converted to ...

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Abstract

The invention provides a software-defined on-orbit satellite simulator system and a design method in the technical field of a satellite ground application system. The system comprises a radio frequency layer, an intermediate frequency layer and a software layer. The software layer can describe a specific service of a satellite, simulate an internal data stream of the satellite, generate satellite-ground interaction simulation data, and communicate with general baseband equipment of the intermediate frequency layer through a network to complete conversion between satellite service simulation data and an intermediate frequency signal. The intermediate frequency layer is responsible for realizing signal system simulation. The radio frequency layer is responsible for realizing frequency pointand power simulation, the intermediate frequency layer matches with the radio frequency layer to realize hardware simulation of a satellite radio frequency signal, a hardware platform of on-orbit satellite radio frequency signal simulation is provided, and the hardware platform adopts a general design. Function reconstruction of a satellite simulator is realized through software definition and changes, reusability and development efficiency of the satellite simulator are improved, development cost is reduced, and a good engineering application value is possessed.

Description

technical field [0001] The invention relates to the technical field of satellite ground application systems, in particular to a software-defined on-orbit satellite simulator system and method, which are applied to satellite design and ground application system function verification. Background technique [0002] Satellite engineering is a high-risk, high-investment, highly complex and high-precision system engineering, and the satellite control system is the core of the satellite platform, which directly determines the success or failure of the satellite mission. Therefore, various space agencies at home and abroad attach great importance to the satellite control system. The ground simulation verification work, designed and established a variety of satellite control simulation systems, carried out a large number of ground simulations and tests in the design and development of satellites, to ensure the success rate of satellites in orbit. [0003] Traditional satellite simula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/02G01S19/08G06F17/50
CPCG01S19/02G01S19/08
Inventor 杨同智曾齐刘廷玉盛开明阎珺
Owner 上海航天空间技术有限公司
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