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- Ultra-short_baseline abstract "USBL (ultra-short baseline, also sometimes known as SSBL for super short base line is a method of underwater acoustic positioning. A complete USBL system consists of a transceiver, which is mounted on a pole under a ship, and a transponder or responder on the seafloor, a towfish, or on an ROV. A computer, or "topside unit", is used to calculate a position from the ranges and bearings measured by the transceiver.An acoustic pulse is transmitted by the transceiver and detected by the subsea transponder, which replies with its own acoustic pulse. This return pulse is detected by the shipboard transceiver. The time from the transmission of the initial acoustic pulse until the reply is detected is measured by the USBL system and is converted into a range.To calculate a subsea position, the USBL calculates both a range and an angle from the transceiver to the subsea beacon. Angles are measured by the transceiver, which contains an array of transducers. The transceiver head normally contains three or more transducers separated by a baseline of 10 cm or less. A method called “phase-differencing” within this transducer array is used to calculate the angle to the subsea transponder.USBLs have also begun to find use in "inverted" (iUSBL) configurations, with the transceiver mounted on an autonomous underwater vehicle, and the transponder on the target. In this case, the "topside" processing happens inside the vehicle to allow it to locate the transponder for applications such as automatic docking and target tracking.".
- Ultra-short_baseline wikiPageExternalLink usbl-all-systems.html.
- Ultra-short_baseline wikiPageExternalLink Products_Easy.aspx?content=system.
- Ultra-short_baseline wikiPageExternalLink index.html.
- Ultra-short_baseline wikiPageExternalLink id13-UltraShort_Baseline_Systems.html.
- Ultra-short_baseline wikiPageExternalLink 4th-generation-gaps.
- Ultra-short_baseline wikiPageExternalLink posidonia.
- Ultra-short_baseline wikiPageExternalLink FF57C18363FAD917C1256A7E002B9F2F?OpenDocument.
- Ultra-short_baseline wikiPageExternalLink intro2.htm.
- Ultra-short_baseline wikiPageExternalLink product.php?id=nasdrill-usbl.
- Ultra-short_baseline wikiPageExternalLink usbl-tracking-system-micronnav.
- Ultra-short_baseline wikiPageID "8331945".
- Ultra-short_baseline wikiPageLength "2926".
- Ultra-short_baseline wikiPageOutDegree "15".
- Ultra-short_baseline wikiPageRevisionID "665384580".
- Ultra-short_baseline wikiPageWikiLink Acoustics.
- Ultra-short_baseline wikiPageWikiLink Automatic_docking.
- Ultra-short_baseline wikiPageWikiLink Autonomous_underwater_vehicle.
- Ultra-short_baseline wikiPageWikiLink Category:Navigation.
- Ultra-short_baseline wikiPageWikiLink Category:Surveying.
- Ultra-short_baseline wikiPageWikiLink Microphone_array.
- Ultra-short_baseline wikiPageWikiLink Phase_(waves).
- Ultra-short_baseline wikiPageWikiLink Phase_difference.
- Ultra-short_baseline wikiPageWikiLink Remotely_operated_underwater_vehicle.
- Ultra-short_baseline wikiPageWikiLink Subsea.
- Ultra-short_baseline wikiPageWikiLink Subsea_(technology).
- Ultra-short_baseline wikiPageWikiLink Towfish.
- Ultra-short_baseline wikiPageWikiLink Tracking_system.
- Ultra-short_baseline wikiPageWikiLink Transceiver.
- Ultra-short_baseline wikiPageWikiLink Transducer.
- Ultra-short_baseline wikiPageWikiLink Transducers.
- Ultra-short_baseline wikiPageWikiLink Transponder.
- Ultra-short_baseline wikiPageWikiLink Underwater_Acoustic_Positioning_System.
- Ultra-short_baseline wikiPageWikiLink Underwater_acoustic_positioning_system.
- Ultra-short_baseline wikiPageWikiLinkText "USBL".
- Ultra-short_baseline wikiPageWikiLinkText "Ultra-short baseline".
- Ultra-short_baseline wikiPageWikiLinkText "Ultra-short-baseline (USBL) systems".
- Ultra-short_baseline wikiPageWikiLinkText "ultra short baseline systems".
- Ultra-short_baseline wikiPageWikiLinkText "ultra-short baseline".
- Ultra-short_baseline wikiPageWikiLinkText "ultrashort baseline system".
- Ultra-short_baseline hasPhotoCollection Ultra-short_baseline.
- Ultra-short_baseline wikiPageUsesTemplate Template:Hydroacoustics.
- Ultra-short_baseline wikiPageUsesTemplate Template:Reflist.
- Ultra-short_baseline subject Category:Navigation.
- Ultra-short_baseline subject Category:Surveying.
- Ultra-short_baseline hypernym Method.
- Ultra-short_baseline type Software.
- Ultra-short_baseline comment "USBL (ultra-short baseline, also sometimes known as SSBL for super short base line is a method of underwater acoustic positioning. A complete USBL system consists of a transceiver, which is mounted on a pole under a ship, and a transponder or responder on the seafloor, a towfish, or on an ROV.".
- Ultra-short_baseline label "Ultra-short baseline".
- Ultra-short_baseline sameAs Ultra_Short_Baseline.
- Ultra-short_baseline sameAs Ultra-short_baseline.
- Ultra-short_baseline sameAs m.026_q82.
- Ultra-short_baseline sameAs Q1897661.
- Ultra-short_baseline sameAs Q1897661.
- Ultra-short_baseline wasDerivedFrom Ultra-short_baseline?oldid=665384580.
- Ultra-short_baseline isPrimaryTopicOf Ultra-short_baseline.