| 摘要 |
A meteor scatter communications system for communicating between a master station (10) and one or more remote stations (11). In one exemplary embodiment, a broad beam transmitter probe signal (30) is reflected from a meteor ionization trail to a remote station which then transmits a return data signal to the master station. The master station receiver has a plurality of antennas (27-I ... 27-N) and a receiver beam forming network (28) which forms a plurality of narrow beam receive signals (32-I ... 32-N), one of which (32-X) has a high gain and corresponds to the narrow beam signal which illuminates the meteor trail and contains the reflected return data signal from the remote station. The master station processor (12) selects such one narrow beam signal for processing the data therein. The transmitter at the master station, if desired, can then transmit a further narrow beam message signal containing a message to the remote station using a transmit beam forming network (36) to provide a selected narrow beam transmit signal for reflection from the meteor trail to the remote station.
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