TY - CONF T1 - Reflector detection with ultrasonic array based on encoded transmission T2 - 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN 2011) Y1 - 2011 A1 - C. Diego A1 - Álvaro Hernández A1 - A. Jiménez A1 - Fernando J. Álvarez A1 - R. Sanz A1 - Joaquin Aparicio A1 - ED - ED - ED - ED - JF - 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN 2011) CY - Guimaraes (Portugal) ER -