Software-defined on-orbit satellite simulator system and method

Abstract

The present invention provides a software-defined on-orbit satellite simulator system and design method in the technical field of satellite ground application systems, including: a radio frequency layer, an intermediate frequency layer, and a software layer; the software layer can describe the specific services of the satellite, Simulate the internal data flow of the satellite, generate the simulation data of satellite-ground interaction, and communicate with the general-purpose baseband equipment of the intermediate frequency layer through the network, and complete the conversion between the satellite business simulation data and the intermediate frequency signal; the intermediate frequency layer is responsible for realizing the signal standard simulation , the radio frequency layer is responsible for realizing 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 provides a hardware platform for in-orbit satellite radio frequency signal simulation, and the hardware platform adopts a generalized design . The invention realizes the functional reconfiguration of the satellite simulator by changing the software definition, improves the reusability and development efficiency of the satellite simulator, reduces the development cost, and has good engineering application value.

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...

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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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