ue89e ue89e u03c6 ue89e ue89e cos ue89e ue89e u03bb cos ue89e ue89e u03c6 ue89e ue89e cos ue89e ue89e u03bb cos ue89e ue89e u03bb sin ue89e ue89e u03c6 ue89e ue89e sin ue89e ue89e u03bb cos ue89e ue89e u03c6 ue89e ue89e sin ue89e ue89e u03bb 0 cos ue89e ue89e u03c6 sin ue89e ue89e u03c6 the data conditioner function 15 operates to condition the data flow between the data user and data source processors and the communication network 5 the following functions are performed by the data conditioner the pace component or parametric adaptive curve estimation which performs multiple tasks associated with vehicle maneuver detection is described in detail in the following sections the primary function of pace is to indicate when a maneuver is in progress and indicate the onset time of the maneuver a second function of pace is to generate an estimate of acceleration for use in determining the q values to be used in the filter estimates a third function of pace is to notify ace when an extended maneuver is in progress the functions of pace may be overridden by information sent by the sensor server to the data conditioner in other words when the sensor or sensor server has a maneuver detection scheme optimal to the characteristics of the sensor and can provide one or more of the pace output data the generic pace component of the data conditioner defers to the sensor server data based on the amr history pace maintains a six state estimate of the vehicle in wgs 84 coordinates with a finite memory filter assuming between m and 2m measurements are maintained in the filter memory when 2m measurements.