An overview of sequential bayesian filtering in ocean acoustics

Caglar Yardim, Zoi Heleni Michalopoulou, Peter Gerstoft

Research output: Contribution to journalReview articlepeer-review

93 Scopus citations


Sequential filtering provides a suitable framework for estimating and updating the unknown parameters of a system as data become available. The foundations of sequential Bayesian filtering with emphasis on practical issues are first reviewed covering both Kalman and particle filter approaches. Filtering is demonstrated to be a powerful estimation tool, employing prediction from previous estimates and updates stemming from physical and statistical models that relate acoustic measurements to the unknown parameters. Ocean acoustic applications are then reviewed focusing on source tracking, estimation of environmental parameters evolving in time or space, and frequency tracking. Spatial arrival time tracking is illustrated with 2006 Shallow Water Experiment data.

Original languageEnglish (US)
Article number5713818
Pages (from-to)71-89
Number of pages19
JournalIEEE Journal of Oceanic Engineering
Issue number1
StatePublished - Jan 2011

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering


  • Acoustic signal processing
  • acoustic tracking
  • ensemble Kalman filter
  • extended Kalman filter (EKF)
  • ocean acoustics
  • particle filter (PF)
  • sequential Monte Carlo methods
  • sequential importance resampling SIR)
  • unscented Kalman filter (UKF)


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