HiPAP 502
The SSBL principle has the obvious advantage that it only requires installation of one hull mounted transducer and one subsea transponder to establish a three-dimensional position of the transponder. An SSBL system is measuring the horizontal and vertical angles together with the range to the transponder. An error in the angle measurement causes the position error to be a function of the range to the transponder.
Kongsberg Discovery
Horten, NO
Description
The SSBL principle has the obvious advantage that it only requires installation of one hull mounted transducer and one subsea transponder to establish a three-dimensional position of the transponder. An SSBL system is measuring the horizontal and vertical angles together with the range to the transponder. An error in the angle measurement causes the position error to be a function of the range to the transponder. To obtain better position accuracy in deep water with an SSBL system it is necessary to increase the angle measurement accuracy.
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Specifications
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Physical properties of transducer head
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Diameter [mm]
400
-
System Parameters
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Frequency {kHz}
21-31
Spread spectrum technology
Y
Min. operation range {m}
1
Max. operation range {m}
5000
Operation beam angle {deg}
200
Angle accuracy (degr) @ 20 dB
0.06
Focussed beam forming
Y
Focussed beam angle {degr}
10
Number of active elements
241
Number of transponder channels
500
Multi user functionality
Y
LBL-functionality
Y
-
Motion compensation
-
Motion sensors compatible to the system:
Seatex MRU and others
Required pitch uncertainty [deg}
0.02
Required roll uncertainty [deg]
0.02
Required heave uncertainty [m]
0.05
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Interfaces
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Inertial interfacing
Y
-
Speed of sound
-
Ray tracing
Y
Real-time integration of SV-profile
Y
-
Deployment
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Inside deployment pole available
Y
Diam gate valve {mm}
500
Outside deployment pole available
N
Recommended distance below keel {m}
1
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Mounting and deployment
-
Mounting
Hull mounted
Retractable
Y
-
Used Sonar Methods
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Type of system
SSBL Super Short Base Line
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General
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Date of first release
2015
Documents
Brochure
migrationw215jk.pdf
5.11 MB
