Decimeter Spatial Resolution by Using Differential Preexcitation BOTDA Pulse Technique Galindez Jamioy, Carlos Augusto ; Lopez-Higuera, J. M. Abstract Publication: IEEE Sensors Journal Pub Date: October 2011 DOI: 10.1109/JSEN.2011.2136333 Bibcode: 2011ISenJ..11.2344G