发明名称 AN ANTENNA WHICH IS ELECTRONICALLY RECONFIGURABLE IN TRANSMISSION
摘要 Antenna comprising an array (11) of elementary sources and characterised in that it comprises an energy-focusing reflector (10), the array (11) being situated in the focal zone of this reflector, supply and control electronics comprising an amplification stage (22) consisting of amplifiers (24) and in which at least one generalised coupler is placed at the output of the amplifiers (24), and beam- forming circuits (20, 21) each corresponding to a transmitted beam, the amplitude and the relative phase of the signals leaving these circuits being monitored respectively by an adjustable phase shifter and an adjustable attenuator. …<IMAGE>…
申请公布号 ZA8902053(B) 申请公布日期 1989.11.29
申请号 ZA19890002053 申请日期 1989.03.17
申请人 ALCATEL N.V. 发明人 REGIS LENORMAND;MARCEL BILLAND;PIERRE FRAISE;JEAN-CLAUDE GOUPIL;GERARD RAGUENET;DIDIER RENE
分类号 H01Q19/17;H01Q3/26;H01Q25/00;H03F3/60;H04B7/185;H04B7/204 主分类号 H01Q19/17
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