Experience of antenna complexes creation for the radars of distant detecting and space area monitoring
DOI:
https://doi.org/10.1109/ICATT.2003.1239148Keywords:
antenna phased arrays, antenna radiation patterns, aperture antennas, military radar, monitoring, phased array radar, radar antennas, radar detection, reflector antennasAbstract
Air defense radars using reflector antennas for area surveying were not found suitable for operating new targets. Antennas with great aperture surface and electrical beam moving were required. Antenna complexes of "Dunay-3" and "Dunay-3U" radars are presented in this paper. It operates in the decimeter wave band and consists of two antenna systems located in two sites - the transmitting one and the receiving one. The antenna is also an active array with linear radiators. The "Dunay-3" radar antenna uses 200 radiators while the "Dunay-3U" consists of 100 linear radiators. The main radar element is an antenna made as a phased antenna array on relatable system for the upper semi-sphere observation. The antenna array is divided at sub arrays with an analogue beam forming way and the full antenna pattern is formed with an adaptive digital way. Another antenna complex presented in this paper is the "Volga" radar. The "Volga" radar is the new generation of distant detection stations operating in continuous radiation regimen: the radar illuminates a target and receives reflected signals simultaneously.References
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