| 摘要 |
<p>According to one embodiment, a DVOR apparatus includes a main device (10) outputting a radio frequency (RF) signal, a distributor (20) distributing the RF signal output from a main device (10) into a plurality of systems, and sideband antennas (30-1 to 30-48) radiating the RF signal, characterized in that, the main device (10) includes a RF signal output unit (11) outputting the RF signal, a measuring means (13) measuring power levels of reflected waves, a determining means (13) determining presence or absence of faulty power levels from the measurement results, a generating means (14) generating selection signals to control selections of outputs of the RF signal for the distributor (20), a comparison means (14) comparing the selection signals with the determining results, and a specifying means (14) specifying faulty sideband antennas and a faulty transmission path of the RF signal.</p> |
