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星载天线在轨运行期间所经历的复杂温度环境,会使天线产生严重的热变形,从而对其电性能造成重要影响。文章根据大型星载固面天线热变形的特点,提出热变形试验与仿真一体化分析验证方法,并且将测试结果与数值仿真结果进行相互校验。该方法可为大型星载天线结构设计及验证提供参考。
The complicated temperature environment experienced by the spaceborne antenna during orbit operation can cause serious thermal deformation of the antenna and thus have an important impact on its electrical performance. According to the characteristics of the thermal deformation of the large spaceborne solid surface antenna, the article puts forward the integrated analysis and verification method of thermal deformation test and simulation, and verifies the test results with the numerical simulation results. The method can provide reference for the design and verification of large space-borne antenna structure.