Title :
Two dimensional 256 element phased array system for radio astronomy
Author :
Vaate, J. G Bij De ; Wijnholds, S.J. ; Bregman, J.D.
Author_Institution :
ASTRON, Dwingeloo, Netherlands
Abstract :
The first part of a phased-array demonstrator known as the thousand element array (THEA) has been constructed, of which first system results are presented in this paper. THEA is a phased-array system that is able to detect signals from different strong astronomical sources, as well as celestial sources, simultaneously due to multi-beaming capability. The completed parts consist of four tiles of one square meter with RF-beamforming and a digital back-end with digital beamforming and correlation. THEA operates in the frequency band of 600-1700 MHz.
Keywords :
UHF antennas; antenna phased arrays; radioastronomy; 600 to 1700 MHz; RF-beamforming; digital beamforming; digital correlation; multibeaming capability; phased array system; radio astronomy; signal detection; thousand element array; Adaptive arrays; Antenna arrays; Frequency; Instruments; Noise figure; Phased arrays; Radio astronomy; Telescopes; Temperature; Tiles;
Conference_Titel :
Phased Array Systems and Technology, 2003. IEEE International Symposium on
Print_ISBN :
0-7803-7827-X
DOI :
10.1109/PAST.2003.1257008
