| 摘要 |
<p>PURPOSE:To detect a target extending over a wide elevation angle range by using plural primary radiators. CONSTITUTION:Plural, for instance, two sets of primary radiators (a), (c), and a distributor I for distributing a transmitting and receiving power to them are provided on an antenna 1 provided with a reflecting mirror (b). By a constitution using there plural radiators, a target can be detected extending over a wide elevation angle range different in detecting range at each radiator.</p> |
