1–3 of 3 hits
|

    Helicopter classification using time-frequency analysis

    Yoon, Sang-Ho / Kim, Byungwook / Kim, Young-Soo | IET Digital Library Archive | 2000
    Keywords: helicopter classification , helicopter blades number determination , main rotor , helicopter type identification

    Analysis of recorded helicopter echo

    Misiurewicz, J. / Kulpa, K. / Czekala, Z. | IET Digital Library Archive | 1997
    Keywords: helicopter rotor backscatter , recorded helicopter echo analysis , hovering helicopter detection , hovering helicopter classification

    Classification of helicopters by the L/N-quoutient

    Rotander, C.E. / Von Sydow, H. | IET Digital Library Archive | 1997
    Keywords: hovering helicopter , rotor blade length , rotor blade number