Helicopter Classification with a High Resolution LFMCW Radar Munoz-Ferraras, J. ; Perez-Martinez, F. ; Burgos-Garcia, M. Abstract Publication: IEEE Transactions on Aerospace Electronic Systems Pub Date: October 2009 DOI: 10.1109/TAES.2009.5310305 Bibcode: 2009ITAES..45.1373M