@conference {211, title = {Processing algorithm for obtaining the impulse response in a MIMO ultrasonic system}, booktitle = {11th IEEE Int. Conf. on Emergy Technologies and Factory Automation (ETFA 2006)}, volume = {1}, year = {2006}, month = {09 / 2006}, pages = {977 - 980}, address = {Praga, Rep{\'u}blica Checa}, isbn = {1-4244-0881-1}, author = {Alberto Ochoa and Ure{\~n}a, J. and {\'A}lvaro Hern{\'a}ndez and Manuel Mazo and Carlos De Marzziani and Mar{\'\i}a del Carmen Perez} }