Development of an airborne-based gpr system for landmine and ied detection: antenna analysis and intercomparison

this work was supported in part by the Ministry of Defence—Government of Spain and by the University of Oviedo (‘‘SAFEDRONE’’) under Contract 2019/SP03390102/00000204/CN-19-002, in part by the Community of Madrid and Universidad Rey Juan Carlos under Young Researchers Research and Development Project under Grant HOLOPROBE, in part by Xunta de Galicia—Axencia Galega de Innovación (GAIN) (‘‘RadioUAV: drones para aplicaciones más allá de lo visible’’) under Project 2018-IN855A 2018/10, in part by the Ministerio de Ciencia, Innovación y Universidades of Spain/Fondo Europeo de Desarrollo Regional (FEDER) (‘‘Millihand’’) under Project RTI2018-095825-B-I00, and in part by the Government of the Principality of Asturias [Plan de Ciencia, Tecnología e Innovación de Asturias (PCTI)] and European Union (FEDER) under Grant IDI/2018/000191.