학술논문
Low-cost Transmit-array Antenna Prototype at Ka-band Combining Low Profile and Mechanical Wide-Angle Beam Scanning
Document Type
Conference
Author
Source
2023 International Workshop on Antenna Technology (iWAT) Antenna Technology (iWAT), 2023 International Workshop on. :1-4 May, 2023
Subject
Language
Abstract
Transmit-arrays (T As) have been proposed as a cost-effective technology for designing beam antennas capable achieving wide-angle beam steering using only in-plane mechanical movements. As a spatially fed antenna, its performance is limited by the system focal distance. The design requires a rather complex trade-off angle between maximum scanning angle, minimum focal distance and minimum gain considering all beam pointing directions. The authors developed a new iterative method for optimizing the TA phase correction for extremely low focal distances (F/D