Torfinn Lindem

Image of Torfinn Lindem
Norwegian version of this page
Phone +47 22856535
Room FV326
Visiting address Sem Sælands vei 24 Fysikkbygningen 0371 Oslo
Postal address Postboks 1048 Blindern 0316 Oslo
Other affiliations ADM

Academic Interests

Space technology / Smart Sensors and Embedded Systems / Hydroacoustics / SONAR systems


Higher education and employment history

RNAF - communication system / Tacktical Air Navigation Cand.Real Physics/Electronics UiO - NTNF fellow - SIMRAD Subsea AS


  • Knigt -The Icelandic Order of the Falcon 


  • Head of Study Program ELDAT - Electronics and Computer Technology
  • Group leader Electronic group Dept. of Physics 
  • Project leader CUBESTAR


 Welfare Tools - Inst. of Marine Research

Tags: Space technology, Instrumentation, sonarsystems, Hydroacoustics


  • Bekkeng, Tore Andre; Helgeby, Espen Sørlie; Pedersen, Arne; Trondsen, Espen; Lindem, Torfinn & Moen, Jøran Idar (2019). Multi-Needle Langmuir Probe System for Electron Density Measurements and Active Spacecraft Potential Control on CubeSats. IEEE Transactions on Aerospace and Electronic Systems. ISSN 0018-9251. 55(6), p. 2951–2964. doi: 10.1109/TAES.2019.2900132.
  • Tresvig, Johan Ludvig & Lindem, Torfinn (2016). Investigating the Coupling Effects between CubeSTAR's Communication Antenna and Deployable Payload Sensors [Measurements Corner]. IEEE Antennas & Propagation Magazine. ISSN 1045-9243. 58(1), p. 90–94. doi: 10.1109/MAP.2015.2501234.
  • Tresvig, Johan Ludvig & Lindem, Torfinn (2015). A miniaturized subpayload system used for measurements in the ionosphere - A design concept. IEEE Aerospace and Electronic Systems Magazine. ISSN 0885-8985. 30(4), p. 24–28. doi: 10.1109/MAES.2015.140154.
  • Tresvig, Johan Ludvig & Lindem, Torfinn (2015). Design of a communication system for a nanosatellite space weather mission. IEEE Aerospace and Electronic Systems Magazine. ISSN 0885-8985. 29(11), p. 22–29. doi: 10.1109/MAES.2014.130177.
  • Bekkeng, Tore Andre; Jacobsen, Knut Stanley; Bekkeng, Jan Kenneth; Lindem, Torfinn; Lebreton, JP & Moen, Jøran Idar (2010). Design of a multi-needle Langmuir probe system. Measurement Science and Technology. ISSN 0957-0233. 21(8). doi: 10.1088/0957-0233/21/8/085903.
  • Balk, Helge & Lindem, Torfinn (2000). Improved fish detection in data from split-beam sonar. Aquatic Living Resources. ISSN 0990-7440. 13, p. 297–303.
  • Rudstam, Lars G.; Lindem, Torfinn & LaBar, G. (1999). Methodology for Target Strength Measurements (With special reference to in situ techniques for fish and mikro-necton) The single beam analysis. In Ona, E (Eds.), ICES Cooperative Research Report No.235. International Council for the Exploration of the Sea, Copenhagen K Denmark. p. 6–13.
  • Rudstam, Lars G.; Hansson, Sture; Lindem, Torfinn & Einhouse, Donald W. (1999). Comparison of target strength distributions and fish densities obtained with split and single beam echo sounders. Fisheries Research. ISSN 0165-7836. p. 207–214.

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  • Grande, Jøran; Birkeland, Roger; Lindem, Torfinn; Schlanbusch, Rune; Houge, Torbjørn & Mathisen, Stian Vik (2013). EDUCATIONAL BENEFITS AND CHALLENGES FOR THE NORWEGIAN STUDENT SATELLITE PROGRAM.
  • Tresvig, Johan Ludvig & Lindem, Torfinn (2011). Demonstration of a Space Weather experiment on a nano-satellite.
  • Balk, Helge; Kubecka, Jan & Lindem, Torfinn (2010). Detection, tracking and sizing of fish in data from DIDSON multibeam sonars.
  • Lindem, Torfinn (2010). CubeSTAR – UiO-studenter bygger fremtidens satellitt for overvåking av romvær.
  • Lindem, Torfinn (2010). Studentsatellitten CubeSTAR.
  • Tresvig, Johan Ludvig & Lindem, Torfinn (2009). CubeSTAR - Vision: Demonstrate a new Space Weather satellite concept.
  • Bekkeng, Tore Andre; Bekkeng, Jan Kenneth; Lindem, Torfinn; Moen, Jøran Idar; Pedersen, Arne & Trondsen, Espen (2009). Development Of A Multi-Needle Langmuir Probe System.
  • Balk, Helge; Lindem, Torfinn & Kubecka, Jan (2009). New Cubic Cross filter detector for multi beam data recorded with DIDSON acoustic camera.
  • Balk, Helge & Lindem, Torfinn (2009). Target detection in data from splitbeam echosounders and multi beam sonar systems.
  • Lindem, Torfinn (2008). CubeStar - en teknologisk utfordring.
  • Lindem, Torfinn (2008). CubeStar - Layout og kravspesifikasjoner.
  • Lindem, Torfinn (2008). "Space Technology" ved UiO.
  • Lindem, Torfinn (2008). Instrumentering for CubeSat.
  • Balk, Helge & Lindem, Torfinn (2008). Analysis and visualization of data from DIDSON Acoustic camera.
  • Lindem, Torfinn (2008). Fysikk og Teknologi - Elektronikk.
  • Balk, Helge; Lindem, Torfinn; Kubecka, Jan & Frank, Knudsen (2007). Recent advances in solving signal-to-noise problems in fisheries acoustics.
  • Balk, Helge & Lindem, Torfinn (2007). Analysis of data from high frequency identification sonars combined with data from conventional echo-sounders.
  • Strande, Mona & Lindem, Torfinn (2006). Fysikere lover trådløs strøm. [Newspaper]. Teknisk Ukeblad.
  • Jemterud, Torkild & Lindem, Torfinn (2006). Verd å vite - Radio kringkasting 100 år. [Radio]. NRK.
  • Lindem, Torfinn & Larsen, Kristoffer Vikebak (2006). Vektløse studenter. [Internet].
  • Balk, Helge; Lindem, Torfinn & Kubecka, Jan (2006). Enhenced Crossfilter detector for target detection in data from echosounders.
  • Lindem, Torfinn; Øye, Henning Karleif & Farnes, Jarle (2006). MEMS Accelerometer and Gyro Experiment in Sounding Rockets.
  • Balk, Helge; Lindem, Torfinn & Kubecka, Jan (2005). New single echo detection methods for shallow water fisheries acoustics.
  • Balk, Helge; Lindem, Torfinn & Kubecka, Jan (2005). New single echo detection methods for shallow water fishery acoustics.
  • Balk, Helge & Lindem, Torfinn (2003). Fish detection based on spectral differences in the echogram's range and temporal domain.
  • Balk, Helge & Lindem, Torfinn (2003). A new method for single target detection.
  • Balk, Helge & Lindem, Torfinn (2002). Fish detection in rivers with split-beam sonars.
  • Lindem, Torfinn; Balk, Helge; Vibeke, J. & Kjølerbakken, K. M. (2002). Measurements of acoustic sound fields in a shallow river.
  • Lindem, Torfinn (2001). EK60 Split Beam Sonar used in shallow water.
  • Lindem, Torfinn (2001). Sound measurements under ice.
  • Lindem, Torfinn; Balk, Helge & Knudsen, Frank R. (1999). Sound propagation through shallow water can make unexpected modification to fish echoes recorded with a horizontally looking split beam system.
  • Lindem, Torfinn (1999). Data from single beam sonar analysed with HADAS. (Hydro Acoustic Data Acquisition System).
  • Balk, Helge & Lindem, Torfinn (1999). Fish tracking in shallow water by image processing.
  • Lindem, Torfinn & Balk, Helge (1999). Problems related to Time Varied Gain (TVG) and phase measurements with elliptic split beam transducers in shallow water, - some observations.
  • Balk, Helge & Lindem, Torfinn (1998). Hydroacoustic fish counting in rivers and shallow waters, with focus on problems related to tracking in horizontal scanning sonars.
  • Juell, Jon-Erik; Lindem, Torfinn; Fosseidengen, Jan Erik; Al Houari, Driss & Bjordal, Åsmund (1995). Hydroakustisk overvåkning og styring av lakseproduksjon. Fisken og Havet. ISSN 0071-5638.
  • Lindem, Torfinn (2003). Comparison and development of assessment methods for pelagic fish stocks in northern great lakes. Nordisk ministerråd.

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Published Nov. 4, 2010 12:23 PM - Last modified Nov. 1, 2021 11:14 AM