| 摘要 |
<P>PROBLEM TO BE SOLVED: To promptly adjust an antenna pattern of an adaptive array antenna consisting of a plurality of unit antennas. <P>SOLUTION: Weighting values W for respective unit antennas are obtained by injecting a reference signal in a receiving system circuit of the antenna, detecting the reference signal as a receiving signal of a receiver 26 and monitor receiving signals U' of monitor receiving parts 46 provided for respective unit antennas 12, comparing the difference between both by a calibration circuit 48 and supplying the difference to an adaptive array control part 38 as a calibration value. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
