| 主权项 |
1. A near field navigation system, comprising:
a first object comprising a user segment of the near field navigation system, the user segment having a plurality of receivers and a plurality of user antennas mounted on a user structure, wherein each of the plurality of user antennas is connected to one of the plurality of receivers, and wherein the user segment includes a processing unit connected to the plurality of receivers; and a second object comprising a base segment of the near field navigation system, the second object having at least four transmitters, wherein each of the at least four transmitters is connected to one of a plurality of base antennas provided on a base structure of the second object, wherein the plurality of base antennas are positioned relative to each other at known distances, and wherein the first object moves relative to the second object, wherein the receiver and each of the transmitters together form distance measuring units, wherein at least a first one of the transmitters is provided with an inter-transmitter distance measuring unit that is configured to determine a distance between the base antenna of the first transmitter and the base antenna of at least one other transmitter of the base segment, wherein the base segment comprises an inter-transmitter distance measuring control unit configured to control the inter-transmitter distance measuring unit, wherein the inter-transmitter distance measuring control unit is provided in only one of the transmitters, which thus forms a master transmitter configured to transmit the determined inter-transmitter distance data to the user segment, and wherein the processing unit of the user segment is configured to calculate a relative three-dimensional position data of the user structure with respect to the base structure on the basis of determined inter-transmitter distance data obtained from the master transmitter. |
