Ka频段抛物面天线形变研究

Research on Ka-Band Parabolic Antenna Deformation

摘要: 抛物面天线形变后天线面精度降低，不仅影响天线增益，对天线指向精度以及跟踪精度都会产生一定的影响。要解决天线面实际使用过程中，面精度降低对天线工作指标造成的影响，首先应从天线面变形原因，对指标产生的影响进行重点分析，从而制定解决策略和方案，弥补天线面形变对天线指标的影响。本文着重对天线面变形原因、影响指标情况以及解决措施进行论述，以期对日后开展抛物面天线的研发设计和工程实践有一定的指导意义。

Abstract: The accuracy of a parabolic antenna decreases after deformation, which affects not only antenna gain, but also antenna pointing accuracy and tracking accuracy. In order to solve the influence of reduced surface accuracy on the antenna working index in the actual use of the antenna surface, it is essential to first analyze the reasons for the deformation of the antenna surface and the impact on the indicators, so as to formulate solutions and schemes to compensate for the influence of antenna surface deformation on the antenna index. This paper focuses on the reasons for the antenna surface deformation, the influence of the index situation, and the solution measures are discussed, in order to carry out future research and development of parabolic antenna design and engineering practice, which has a certain guiding significance.