| 摘要 |
<p>Radio communication apparatus for rail and tram vehicles comprising at least one transmission unit (T) and at least one reception unit (R) mounted on corresponding coaches (3) of a vehicle formed by a plurality of coaches (3), each of said transmission (T) and reception units (R) being associated to at least a corresponding antenna (1; 2) able to transmit and respectively receive radio signals exchanged by said units (T, R) within the space said signals propagate, characterized in that the propagation space of said signals consists of a wave guide delimited on top by the platform or underbody (30) of the coaches (3) which form the vehicle, at the bottom by the rails plane (4) and, laterally by the trucks and wheels (31) of the coaches (3). <IMAGE></p> |
