Browsing Reprints by Subject "Ship motion"

Now showing items 1-4 of 4

    • Anomaly detection and tracking based on mean-reverting processes with unknown parameters 

      Forti, Nicola; Millefiori, Leonardo; Braca, Paolo; Willett, Peter K. (CMRE, 2019/05)
      Piecewise mean-reverting stochastic processes have been recently proposed and validated as an effective model for long-term object prediction. In this paper, we exploit the Ornstein-Uhlenbeck (OU) dynamic model to represent ...

    • Effect of ship motion on sonar detection performance 

      Schothorst, Jaap G. (NATO. SACLANTCEN, 1975/10)
      For an unstabilized transducer, the effect of ship motion on sonar echoes is twofold: 1. Attenuation caused by the rotational movement of the transducer in the vertical plane. The results show that the different loss figures ...

    • Model performance assessment for long-term vessel prediction using HFSW radar data 

      Vivone, Gemine; Millefiori, Leonardo; Braca, Paolo; Willett, Peter K. (CMRE, 2019/06)
      Vessels in open seas are seldom continuously observed. Thus, the problem of long-term vessel prediction becomes crucial. This paper focuses its attention on the performance assessment of the Ornstein- Uhlenbeck target ...

    • Multi-sensor ISAR technique for translational motion estimation 

      Bucciarelli, Marta; Pastina, Debora; Errasti, Borja; Braca, Paolo (CMRE, 2019/06)
      In the last years a lot of interest has grown concerning the exploitation of data acquired by multiple sensors belonging to multistatic or Multiple Input Multiple Output systems. Indeed increased information and/or better ...