Ultra-Wideband Tightly Coupled Phased Array Antenna for Low-Frequency Radio Telescope.

Autor: Farhat, E. O., Adami, K. Z., Zhang, Y., Brown, A. K., Sammut, C. V.
Předmět:
Zdroj: PIERS Proceedings; Aug2013, p245-249, 5p
Abstrakt: This paper introduces a novel approach to a broadband array design for a low frequency radio telescope. It presents a low profile ultra-wideband tightly coupled phased array antenna with integrated feedlines. The approach consists of applying broadband techniques to an array of capacitively coupled planar element pairs with an octagonal fractal geometry, backed by a ground plane. Designed as a low cost, low loss, dual-polarized wideband array, this antenna is optimised for operation between 50 and 250MHz. Simulations have shown that the antenna has a wide-scanning ability with a low cross-polarisation level, over the operational broad frequency range. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index