Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination
Reexamination Certificate
2007-06-25
2008-09-02
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Echo systems
Speed determination
C367S090000
Reexamination Certificate
active
07420875
ABSTRACT:
A method is provided for improving horizontal spatial resolution of a flow field in compact jet-like current features so as to quantify the axial velocity in the cross section of a compact jet using an Acoustic Doppler Current Profiler (ADCP). The ADCP is a four-beam, Janus-type ADCP having beams aligned so that each of the beams is at an angle of about 20° to 30° to vertical and at 45° to the fore and aft axis of the vessel, such that two beams point at 45° to forward and two pointing 45° to aft. The measurements from each range bin of the aft-facing beams are combined with the previously measured samples from the corresponding forward-facing beams at the same position along the vessel track.
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Kasischke James M.
Lobo Ian J
Nasser Jean-Paul A.
Stanley Michael P.
The United States of America as represented by the Secretary of
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