模态综合在遥感卫星颤动响应分析中的应用

Application of Hybrid Interface Modal Synthesis Technique to Jitter Responses Analysis and Simulation of Remote Sensing Satellites

高分辨率遥感卫星对地观测时 ,星上部件的运动使星体产生颤动响应 ,该响应会对成像质量产生一定影响。介绍了基于混合界面模态综合方法的遥感卫星动力学模型及其简化计算方案 ;给出了运动部件扰动影响下遥感卫星的颤动响应分析仿真结果。这些结果可供卫星总体部门参考。

When the high resolution remote sensing satellite performs earth observation,various motions of onboard motive components will make the body of satellite produce jitter responses,which affect the image quality.The modeling of jitter responses analysis of remote sensing satellite based on hybrid interface modal synthesis technique is introduced.In addition,a sub-matrix algorithm to increase computational efficiency is presented.Numerical results of jitter analysis of remote sensing satellite under the disturbance of main disturbing resources are also given.