A review of full-path electromechanical coupling modeling and compensation for reflector antennas
Abstract
<p indent="0mm">Reflector antennas are extensively used in radio astronomy, satellite communication, and other industries; however, a complex interaction exists between their electrical performance and structure manufacturing process, installation errors, environmental loads, and other factors; thus, with the increase of antenna aperture and frequency band, the difficulty of antenna design and manufacturing increases. To address this technical issue, this paper focuses on the current state of reflector antenna electromechanical coupling theory modeling and compensation technology development and outlines the impact of errors on antenna electrical performance, such as main and subreflector deformation of the structure and feed source position offset from the angle of error classification. The paper also sorts out the full-path electrical performance compensation method of reflector antenna in service from active main and sub-surface technique, array feed technology, and other methods. A review of the current state of affairs aids in the development of theoretical methods and the creation of more complete antenna designs. It also allows for more accurate prediction of antenna service performance and more effective achievement of comprehensive compensation under full working conditions, ultimately assisting in achieving the performance index of the antenna.</p>
