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Source Localization in a Moving Sensor Field

Innovating near-real-time remote underwater target detection using moving sensor fields with sonobuoys. Synthetic data validation for SL algorithms in source and sensors location. Analysis of various detection scenarios.

jacques
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Source Localization in a Moving Sensor Field

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  1. Source Localization in a Moving Sensor Field Shana L. Woods Computing and Computational Sciences Mentor: Dr. Barhen Jacob

  2. Overview • In order to maintain U.S. naval dominance, there is continuing need to develop innovative approaches for near-real-time remote detection of underwater targets. • Moving sensor fields can improve detection performance against stealthier targets using large distributed sensor arrays. These sensors are typically sonobuoys, drifting with the wind and the currents.

  3. Typical Mission Scenario • Submerged submarine • Patrol aircraft searching for it • A filed of GPS capable sonbuoys In which the buoys are passive omindirectional sensors • That provide sound pressure measurements of target signal and ambient noise. • Continuously monitor and transmit sensed data via radio link. • Perdiodically sample their positons, which are also transmitted via radio link. Patrol aircraft monitoring GPS-capable sonobuoys.

  4. Source and Sensors Location Synthetic data are generated to validate the correct implementation of the SL algorithms x-y plane projection x-z plane projection

  5. Time Differences of Arrival

  6. Equations or Algorithms

  7. Results

  8. Results • Compared the effects of different situations i.e. amplitude, pulses and interval lengths.

  9. Conclusion

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