... intentionally left blank.Page 31. Sensors for Dead-reckoning 2. Heading Sensors3. Active Beacons4. Sensors for Map-based PositioningPart II: Systems and Methods for Mobile Robot Positioning5. Reduction ... 150 200 250Before correction, cwBefore correction, ccwAfter correction, cwAfter correction, ccwX [mm]Y [mm]DEADRE81.DS4, DEADRE81.WMF, 10/08/94Part II: Systems and Methods for Mobile Robot ... 360 in azimuth, and can determine range and bearing for multiple targets.oPart I: Sensors for Mobile Robot Positioning Chapter 4: Sensors for Map-based PositioningPage...