[天线]31 ULTRAWIDEBAND ARRAY ANTENNAS FOR RADARS

ULTRAWIDEBAND ARRAY ANTENNAS FOR RADARS _ jF, k>F  
Vladimir Koshelev 
K^?/  
Institute of High Current Electronics, SB RAS rS8/_'  
2/3 Akademichesky Ave., Tomsk 634055, Russian Federation n
:Ka@  
Email: koshelev@lhfe.hcei.tsc.ru %A:<rO85o  
ABSTRACT RE7 I"  
The paper presents the results of investigations of #!C/~"Y*`|  
array antennas intended to radiate high-power pulses YG!~v~sV  
of nanosecond and subnanosecond length. The array sDw&U?gUv  
element is a combined antenna optimized for a given M)( 5S1ndq  
length of the exciting voltage pulse. Linear array CGny#Vh  
antennas were investigated by the radiation wave ->$Do$  
beam in the steering mode. Possibility to form dualpolarization U $e-e/  
wave beams owing to the plane array d#Ql>PrY  
antenna dividing into two sub-arrays and their 3Sf<oYF  
excitation by the time-shifted voltage pulses was y kwS-e  
shown. Parameters of high-power radiati .. $oe:km1-D  
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