The effects on the radiated power pattern of localised defects (also called 'bump‐like surface
deformations') in the surface of reflector antennas are studied with an innovative approach …

Integrated structural-electromagnetic (EM) optimization design is of great importance in the
area of antenna design. The quick and exact calculation of patterns for distorted reflectors is …

高性能电子装备被广泛应用于陆, 海, 空, 天等领域中的雷达, 深空探测, 射电天文, 通信, 导航,
遥感等方面, 其设计与制造水平是国家整体科技水平与实力的重要体现. 系统回顾了高性能电子 …

The design of the Qitai 110 m Radio Telescope (QTT) with large aperture and very high
working frequency (115 GHz) was investigated in Xinjiang, China. The results lead to a main …

This paper discusses a heuristic algorithm that provides stabilization of beams of a satellite
multiple beam hybrid reflector antenna via processing the antenna array signals received …

The Physical Optics (PO) method is used to derive simplified expressions to compute the
radiation electric fields of planar graded-index and geodesic lenses based on a parallel …

Исследована эффективность процедуры стабилизации характеристик антенны,
подвергающейся эксплуатационным нагрузкам, на примере крупногабаритной …

A handy formula is presented to evaluate the effects of random surface errors on average
power pattern for distorted reflector antennas. Based on the previous work of Rahmat-Samii …

In this article, we present a ray optics-based iterative procedure for the design and
optimization of a shaped reflector able to achieve a high roll-off sectoral pattern in the …

Due to the influence of operating conditions, the reflector profile of a large-sized satellite
antenna undergoes distortions, which lead to a deterioration in antenna performance and a …