Title :
Calibration of sonobuoy compass via arrival time inversion
Author :
Delaney, Kevin J. ; Alsup, James M. ; Sullivan, Peter
Author_Institution :
AETC Inc., San Diego, CA, USA
Abstract :
Onboard magnetic compasses allow sonobuoys to measure their orientation and form beams along true headings. Compass failure means true array heading is unknown and the buoy´s beams cannot be used for target localization and tracking. We describe a method for recovering buoy orientation by inverting the pattern of signal arrivals at the individual hydrophones, and present results using data recorded at sea.
Keywords :
compasses; hydrophones; oceanographic techniques; underwater sound; buoy orientation recovery; individual hydrophone; onboard magnetic compass; signal arrival time inversion; sonobuoy compass calibration; Azimuth; Calibration; Oceans; Planar arrays; Saturation magnetization; Sea measurements; Sonar equipment; Spinning; Target tracking; Underwater vehicles;
Conference_Titel :
OCEANS 2003. Proceedings
Conference_Location :
San Diego, CA, USA
Print_ISBN :
0-933957-30-0
DOI :
10.1109/OCEANS.2003.178060
