| 摘要 |
<p>Signal reception apparatus comprising at least two antennas, receiver means having a first mode of operation for assessing the quality of received signals and a second mode of operation for processing received signals for identifying data carried therein, at least two signal paths connectable between the antennas and the receiver means and each capable of demodulating signals received by the antennas and switch means connected between the antennas and the signal paths, the apparatus having an assessment mode of operation in which each antenna is connected by the switch means to the receiver means via a single respective one of the signal paths and in which the receiver means operates in its first mode of operation to assess the quality of received signals from each antenna, and a normal mode of operation in which a single antenna is connected by the switch means to the receiver means via all of the signal paths and in which the receiver means operates in its second mode of operation for processing received signals for identifying data carried therein.</p> |
