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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">COMUNICACIONES DIGITALES</topic></authority><related type="narrower"><topic>MODULACION DIGITAL</topic></related><related type="narrower"><topic>REDES DE COMPUTADORAS</topic></related><related type="narrower"><topic>REDES DIGITALES DE SERVICIOS INTEGRADOS</topic></related><related type="narrower"><topic>SISTEMAS DE TRANSMISION DE DATOS</topic></related><related type="narrower"><topic>TELECOMUNICACIONES</topic></related><related type="other"><topic>TECNICAS DIGITALES EN PROCESAMIENTO DE SEÑALES</topic></related><related type="broader"><topic>TELECOMUNICACIONES</topic></related><related type="broader"><topic>ELECTRONICA DIGITAL</topic></related><related type="broader"><topic>TECNICAS DE IMPULSOS (ELECTRONICA)</topic></related><variant type="other"><topic>Comunicaciones de pulsos</topic></variant><variant type="other"><topic>Transmisión digital</topic></variant></mads>