@conference {225,
	title = {Sistema de Sensores Ultrasonicos para la Detecci{\'o}n de Obstaculos basado en la Transmision de Secuencias Golay con Modulacion QPSK y Portadoras de Distinta Frecuencia},
	booktitle = {Seminario Anual de Automatica, Electronica Industrial e Instrumentacion (SAAEI{\textasciiacute}04)},
	volume = {1},
	year = {2004},
	month = {09/2004},
	pages = {1-6},
	chapter = {1},
	address = {Toulouse, Francia},
	keywords = {detecting obstacles in railways, secuencias Golay, ultrasonic array sensor},
	attachments = {https://geintra-uah.org/en/system/files/private/Sistema_De_Sensores_Ultrasonicos_Para_La_Deteccion_De_ObstAculos_SAAEI_ALVAREZ_04.pdf},
	author = {Fernando J. {\'A}lvarez and Ure{\~n}a, J. and Manuel Mazo and {\'A}lvaro Hern{\'a}ndez and J.J. Garcia and Jose Antonio Jimenez and Patricio Gabriel Donato}
}
