| Summary: | Existing simulation analysis and visualization programs for satellite loads suffer from poor portability,difficulty in sharing simulation results and high hardware requirements for real-time calculation and rendering.To address the problems,this paper proposes a Cesium-based visual simulation analysis platform for satellite loads.The platform adopts the B/S architecture and WebGL technology to achieve the separation of data calculation and real-time rendering,greatly reducing the simulation hardware requirements.The information of simulation scenes is stored locally and in the cloud through the JSON file,which ensures that the simulation results are shared synchronously and enables visual display of simulation scenes through a browser at any terminal.Meanwhile,the four-dimensional transformation matrix is used for load coverage calculation,and its inverse operation is used for transit analysis,which greatly simplifies the calculation process of load simulation analysis.The simulation results show that the proposed platform can quickly generate accurate and realistic visual results of satellite loads.The errors between its transit analysis results and the STK results are within milliseconds.
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