| 摘要 |
A transmitter at a lead vehicle transmits a first transmission signal toward a first beacon and a second beacon associated with a following vehicle. A data processor or estimator determines a first propagation time associated with the first transmission and the first beacon and a second propagation time associated with the first transmission and the second beacon. A vehicle controller controls a heading of the following vehicle to maintain a first distance substantially equal to a second distance (i.e., first propagation time substantially equal to a second propagation time) or a first distance that deviates from the second distance by a predetermined maximum amount.
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