Various methods and systems are provided for determining the position of a mobile imaging system. One example system includes a first angular sensor coupled to a reference point and configured to measure a first angle of rotation relative to the reference point, a linear sensor coupled between the reference point and the mobile imaging system and configured to measure a distance between the reference point and the mobile imaging system, the linear sensor coupled to the first angular sensor with its string axis perpendicular to and intersecting a rotational axis of the first angular sensor, and a second angular sensor configured to measure a second angle of rotation relative to the mobile imaging system.
