Methods and systems for passive range and depth localization

Details Methods and systems for passive range and depth localization Methods and systems for passive range and depth localization

2008-01-01

2008-01-01

Pihulic, Daniel (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

By combining or comparing signals

C367S127000

Reexamination Certificate

active

07315488

ABSTRACT:
A to method and system provide a range and depth localization of a passive sound generator, e.g., a submarine target. The method and system use an autocorrelation and/or a cross correlation to arrive at a plurality of range versus depth estimates, which are resolved and evaluated using likelihood factors in order to provide a range and depth localization.

REFERENCES:
patent: 4312053 (1982-01-01), Lipsky
patent: 5420827 (1995-05-01), Feintuch
patent: 6160758 (2000-12-01), Spiesberger
patent: 7266042 (2007-09-01), Gent et al.

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