HYDROACOUSTICS
ANNUAL JOURNAL |
START | NEW VOL 20 | SEARCH | STATISTICS | PAS - GDANSK DIVISION |
pp. 167-180, vol. 16, 2013 Jacek Marszal Gdansk University of Technology, Faculty of Electronics , Telecomunications and Informatics, Department of Marine Electronic Systems, Gdansk, Poland Key words: Polish Navy; sonar system Abstract: Today’s fast technological advancement in electronics and signal processing methods
makes electronic systems, including sonars, obsolete very quickly. The Polish Navy seems to
be particularly affected as its ships were built in the 1970s and 1980s. Researchers at the
Gdansk University of Technology have developed a methodology for modernising Navy
sonars which involves the use of new electronic sub-systems and modern, bespoke methods of
digital signal processing. Thanks to that, the existing large and expensive ultrasonic
transducers and their systems for deployment and stabilisation remain unchanged. Between
2001 and 2013 this methodology was used by the Gdansk University of Technology to
modernise 26 sonars of different types for the Polish Navy. The projects have significantly
improved the technical and utility parameters of the sonars, while keeping the expenditure at
about 20% of the value of new equipment.
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