| 主权项 |
1. A position determining system for a vehicle on a guideway, the position determining system comprising:
an on-board controller configured to determine a position of the vehicle on the guideway; a transmitter/detector array configured to emit an interrogation signal and to receive reflection signals based on the emitted interrogation signal, wherein the transmitter/detector array is configured to communicate with the on-board controller, the transmitter/detector array comprising:
a first antenna, anda second antenna, the second antenna spaced from the first antenna in a direction of travel of the vehicle; and a transponder identification database configured to store transponder information, the transponder identification database is configured to communicate with at least one of the on-board controller or the transmitter/detector array, wherein the on-board controller is configured to determine the position of the vehicle along the guideway based on a modulated reflection signal received by the transmitter/detector array and a first non-modulated reflection signal received by the transmitter/detector array. |
