Browsing by Author "Eriksen, Torkild"
Now showing items 1-8 of 8
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Completeness and Accuracy of a Wide-Area Maritime Situational Picture based on Automatic Ship Reporting Systems
GREIDANUS, Herman; ALVAREZ, Marlene; Eriksen, Torkild; GAMMIERI, Vincenzo (2015)Automatic ship reporting systems (AIS – Automatic identification System, LRIT – Long Range Identification and Tracking, VMS – Vessel Monitoring System) today allow global tracking of ships. One way to display the results ... -
ESA mulighetsstudie for et europeisk satellittbasert AIS system - avsluttende rapport og abstrakt
Helleren, Øystein; Olsen, Øystein; Eriksen, Torkild; Olsen, Richard (2009)Denne rapporten gjengir rapportene ”Abstract” og ”Final Report” som FFI laget for den europeiske romorganisasjonen ESA under kontrakten: ”Contract No. 20492/06/NL/JA – Technology reference and proof of concept for a space ... -
ESA mulighetsstudie for et europeisk satellittbasert AIS system : sammendrag
Helleren, Øystein; Olsen, Øystein; Eriksen, Torkild; Olsen, Richard (2009)Denne rapporten gjengir rapporten ”Executive Summary” som FFI laget for den europeiske romorganisasjonen ESA under kontrakten: ”Contract No. 20492/06/NL/JA – Technology reference and proof of concept for a space based ... -
EUCLID JP 9.16: Space-based AIS reception for ship identification
Høye, Gudrun; Narheim, Bjørn T.; Eriksen, Torkild; Meland, Bente Jensløkken (2004)This report documents the results of Work element 3100 “Space-based AIS reception for ship identification” of the WEAG study JP 9.16 “Emerging Satellite Technologies, System Trends and Space Utilization”. The Automatic ... -
In-orbit AIS performance of the Norwegian microsatellites NorSat-1 and NorSat-2
Eriksen, Torkild; Helleren, Øystein; Skauen, Andreas Nordmo; Storesund, Frode André; Bjørnevik, Anders; Åsheim, Harald; Blindheim, Eirik Voie; Harr, Jon (2019-11-21)Two Norwegian AIS-satellites, NorSat-1 and NorSat-2, were launched in July 2017. Both are equipped with the ASR x50, the latest space-AIS receiver developed by Kongsberg Seatex AS, ofering advanced signal processing and ... -
Metrics and provider-based results for completeness and temporal resolution of satellite-based AIS services
Eriksen, Torkild; Greidanus, Harm; Delaney, Conor (2018)Collecting AIS messages from ships by satellites allows for maritime situational awareness, and a wide range of commercial applications, at global and regional scales. This work provides methods and indicators for evaluation ... -
NSAT-1: nye momenter vedrørende kooperative overvåkningssystemer, flerfrekvent sensor samt havbølgers innvirkning på deteksjon og dekning
Høye, Gudrun; Eriksen, Torkild; Wahl, Terje; Lyngvi, Aleksander; Narheim, Bjørn T. (2001)This report complements the NSAT-1 Phase-A Report with a discussion of three important topics. These are: (1) The emerging cooperative maritime surveillance systems. (2) The possibility of a dual-band NSAT sensor for ... -
Space-Based AIS with a Norwegian Small-Satellite Constellation
Bradbury, Laura; Kekez, Daniel; Beattie, Alex; Zee, Robert; Narheim, Bjørn T.; Harr, Jon; Andersen, Bo; Eriksen, Torkild; Olsen, Øystein; Helleren, Øystein; Olsen, Richard Bjarne (2023)Over the past couple of decades, small satellites have evolved from demonstrators to operational assets to enable low-cost space access for government services and commercial service providers. The Norwegian AIS constellation ...