Method for improved sonar velocity processing

Details Method for improved sonar velocity processing Method for improved sonar velocity processing

2006-05-03

2009-02-24

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Speed determination

Reexamination Certificate

active

07495996

ABSTRACT:
A method of estimating velocity with a correlation SONAR that provides improved velocity estimate due to a reduction in random and bias errors is disclosed. The method generates a velocity estimate based on a weighted average of pulse-pairs that includes processing of those pulse-pairs based on an optimal correlation time as well as pulse-pairs based on sub-optimal correlation times.

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