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2019
1 Bekkeng, Tore Andre; Helgeby, Espen Sørlie; Pedersen, Arne; Trondsen, Espen; Lindem, Torfinn; Moen, Jøran Idar.
Multi-Needle Langmuir Probe System for Electron Density Measurements and Active Spacecraft Potential Control on CubeSats. IEEE Transactions on Aerospace and Electronic Systems 2019 ;Volum 55.(6) s. 2951-2964
UiO Untitled
 
2016
2 Tresvig, Johan Ludvig; Lindem, Torfinn.
Investigating the Coupling Effects between CubeSTAR's Communication Antenna and Deployable Payload Sensors [Measurements Corner]. IEEE Antennas & Propagation Magazine 2016 ;Volum 58.(1) s. 90-94
UiO Untitled
 
2015
3 Tresvig, Johan Ludvig; Lindem, Torfinn.
A miniaturized subpayload system used for measurements in the ionosphere - A design concept. IEEE Aerospace and Electronic Systems Magazine 2015 ;Volum 30.(4) s. 24-28
UiO Untitled
 
4 Tresvig, Johan Ludvig; Lindem, Torfinn.
Design of a communication system for a nanosatellite space weather mission. IEEE Aerospace and Electronic Systems Magazine 2015 ;Volum 29.(11) s. 22-29
UiO Untitled
 
2013
5 Grande, Jøran; Birkeland, Roger; Lindem, Torfinn; Schlanbusch, Rune; Houge, Torbjørn; Mathisen, Stian Vik; Dahle, Kolbjørn.
EDUCATIONAL BENEFITS AND CHALLENGES FOR THE NORWEGIAN STUDENT SATELLITE PROGRAM. 64th International Astronautical Congress; 2013-09-23 - 2013-09-28
NTNU UiO UiT Untitled
 
2011
6 Tresvig, Johan Ludvig; Lindem, Torfinn.
Demonstration of a Space Weather experiment on a nano-satellite. 1st IAA Conference on University Satellites Missions and CubeSat Workshop in Europe; 2011-01-24 - 2011-01-28
UiO Untitled
 
2010
7 Balk, Helge; Kubecka, Jan; Lindem, Torfinn.
Detection, tracking and sizing of fish in data from DIDSON multibeam sonars. 33rd Scandinavian symposium on physical acoustics; 2010-02-07 - 2010-07-10
UiO Untitled
 
8 Bekkeng, Tore Andre; Jacobsen, Knut Stanley; Bekkeng, Jan Kenneth; Lindem, Torfinn; Lebreton, JP; Moen, Jøran Idar; Pedersen, Arne.
Design of a multi-needle Langmuir probe system. Measurement Science and Technology 2010 ;Volum 21.(8) s. -
UiO Untitled
 
9 Lindem, Torfinn.
CubeSTAR – UiO-studenter bygger fremtidens satellitt for overvåking av romvær. Faglig-pedagogisk dag 8. januar 2010; 2010-01-08 - 2010-01-08
UiO Untitled
 
10 Lindem, Torfinn.
Studentsatellitten CubeSTAR. Space@UiO - fagdag i rom-/plasmafysikk.; 2010-01-12 - 2010-01-12
UiO Untitled
 
2009
11 Balk, Helge; Lindem, Torfinn.
Target detection in data from splitbeam echosounders and multi beam sonar systems. Kveldssminar; 2009-03-02
UiO Untitled
 
12 Balk, Helge; Lindem, Torfinn; Kubecka, Jan.
New Cubic Cross filter detector for multi beam data recorded with DIDSON acoustic camera. UNDERWATER ACOUSTIC MEASUREMENTS: TECHNOLOGIES AND RESULTS; 2009-06-21
UiO Untitled
 
13 Bekkeng, Tore Andre; Bekkeng, Jan Kenneth; Lindem, Torfinn; Moen, Jøran Idar; Pedersen, Arne; Trondsen, Espen; Lebreton, Jean-Pierre.
Development Of A Multi-Needle Langmuir Probe System. 19th ESA Symposium on European Rocket and Balloon Programmes and Related Research; 2009-06-07 - 2009-06-11
UiO Untitled
 
14 Tresvig, Johan Ludvig; Lindem, Torfinn.
CubeSTAR - Vision: Demonstrate a new Space Weather satellite concept. 6th Annual CubeSat Workshop - Cal Poly 2009; 2009-04-22 - 2009-04-25
UiO Untitled
 
2008
15 Balk, Helge; Lindem, Torfinn.
Analysis and visualization of data from DIDSON Acoustic camera. 31-th Scandinavian symposium on Physical Acoustics; 2008-01-27
UiO Untitled
 
16 Balk, Helge; Lindem, Torfinn; Kubecka, Jan.
Split beam versus multi beam for monitoring migrating fish in rivers and shallow lakes. ICES Symposium on the Ecosystem Approach with Fisheries Acoustics and Complementary Technologies; 2008-06-15 - 2008-06-20
UiO Untitled
 
17 Lindem, Torfinn.
CubeStar - en teknologisk utfordring. Møte - CubeStar Kontraktsmarkering Fysisk Institutt / NAROM; 2008-12-17
UiO Untitled
 
18 Lindem, Torfinn.
CubeStar - Layout og kravspesifikasjoner. Møte om Nasjonalt Studentsatellittprogram; 2008-09-11 - 2008-09-12
UiO Untitled
 
19 Lindem, Torfinn.
Fysikk og Teknologi - Elektronikk. Landskonferansen om fysikkundervisning; 2008-08-10 - 2008-08-13
UiO Untitled
 
20 Lindem, Torfinn.
Instrumentering for CubeSat. CubeSat workshop; 2008-10-13 - 2008-10-14
UiO Untitled
 
21 Lindem, Torfinn.
"Space Technology" ved UiO. Møte om Romrelatert utdanning ved UiO; 2008-04-24
UiO Untitled
 
2007
22 Balk, Helge; Lindem, Torfinn.
Analysis of data from high frequency identification sonars combined with data from conventional echo-sounders. DIDSON workshop in Vienna 2007; 2007-04-14
UiO Untitled
 
23 Balk, Helge; Lindem, Torfinn; Kubecka, Jan; Frank, Knudsen.
Recent advances in solving signal-to-noise problems in fisheries acoustics. FSAMLR07; 2007-09-10 - 2007-09-15
UiO Untitled
 
2006
24 Balk, Helge; Lindem, Torfinn; Kubecka, Jan.
Enhenced Crossfilter detector for target detection in data from echosounders. 29th SCANDINAVIAN SYMPOSIUM ON PHYSICAL ACOUSTICS; 2006-01-29 - 2006-02-01
UiO Untitled
 
25 Jemterud, Torkild; Lindem, Torfinn.
Verd å vite - Radio kringkasting 100 år. NRK [Radio] 2006-12-20
UiO Untitled
 
26 Lindem, Torfinn; Larsen, Kristoffer Vikebak.
Vektløse studenter. forskning.no [Internett] 2006-04-07
UiO Untitled
 
27 Lindem, Torfinn; Øye, Henning Karleif; Farnes, Jarle.
MEMS Accelerometer and Gyro Experiment in Sounding Rockets. 1 st. Hellenic_European Student Space Science and Technology Symposium; 2006-09-09 - 2006-09-11
UiO Untitled
 
28 Strande, Mona; Lindem, Torfinn.
Fysikere lover trådløs strøm. Teknisk Ukeblad [Avis] 2006-11-17
UiO Untitled
 
2005
29 Balk, Helge; Lindem, Torfinn; Kubecka, Jan.
New single echo detection methods for shallow water fisheries acoustics. 135th Annual Meeting; 2005-09-11 - 2005-09-15
UiO Untitled
 
30 Balk, Helge; Lindem, Torfinn; Kubecka, Jan.
New single echo detection methods for shallow water fishery acoustics. 149'th Meeting of the Acoustical Society of America; 2005-05-15 - 2005-05-20
UiO Untitled
 
2003
31 Balk, Helge; Lindem, Torfinn.
Fish detection based on spectral differences in the echogram's range and temporal domain. ICES Fast meeting in Bergen; 2003-07-18 - 2003-07-21
UiO Untitled
 
32 Lindem, Torfinn.
Comparison and development of assessment methods for pelagic fish stocks in northern great lakes. Nordisk ministerråd 2003 19 s.
UiO Untitled
 
33 Balk, Helge; Lindem, Torfinn.
A new method for single target detection. 6th ICES Symposiom "Acoustics in fisheries and aquatic ecology"; 2003-06-10
UiO Untitled
 
2002
34 Balk, Helge; Lindem, Torfinn.
Fish detection in rivers with split-beam sonars. 25'th Scandinavian Symphosium on Physics Acoustics; 2002-01-27
UiO Untitled
 
35 Lindem, Torfinn; Balk, Helge; Vibeke, J.; Kjølerbakken, K. M..
Measurements of acoustic sound fields in a shallow river. ICES Symposium on acoustics fisheries and aquatic echology; 2002-06-10
UiO Untitled
 
2001
36 Lindem, Torfinn.
EK60 Split Beam Sonar used in shallow water. ; 2001
UiO Untitled
 
37 Lindem, Torfinn.
Sound measurements under ice. Technology Awareness Seminar; 2001-11-02
UiO Untitled
 
2000
38 Balk, Helge; Lindem, Torfinn.
Improved fish detection in data from split-beam sonar. Aquatic Living Resources 2000 ;Volum 13. s. 297-303
UiO Untitled
 
1999
39 Lindem, Torfinn; Balk, Helge; Knudsen, Frank R..
Sound propagation through shallow water can make unexpected modification to fish echoes recorded with a horizontally looking split beam system. 2nd International Shallow Water Fisheries Sonar Conference; 1999-09-07
UiO Untitled
 
40 Balk, Helge; Lindem, Torfinn.
Fish tracking in shallow water by image processing. 22<SUP>nd</SUP> Scandinavian Symposium on Physical Acoustics; 1999-02-02
UiO Untitled
 
41 Lindem, Torfinn.
Data from single beam sonar analysed with HADAS. (Hydro Acoustic Data Acquisition System). Great Lakes Acoustic Workshop III, Translation of acoustic data to fish abundance.; 1999-02-11
UiO Untitled
 
42 Lindem, Torfinn; Balk, Helge.
Problems related to Time Varied Gain (TVG) and phase measurements with elliptic split beam transducers in shallow water, - some observations. 22<SUP>nd</SUP> Scandinavian Symposium on Physical Acoustics; 1999-02-01
UiO Untitled
 
43 Rudstam, Lars G.; Hansson, Sture; Lindem, Torfinn; Einhouse, Donald W..
Comparison of target strength distributions and fish densities obtained with split and single beam echo sounders. Fisheries Research 1999 (42) s. 207-214
UiO Untitled
 
44 Rudstam, Lars G.; Lindem, Torfinn; LaBar, G..
Methodology for Target Strength Measurements (With special reference to in situ techniques for fish and mikro-necton) The single beam analysis. I: ICES Cooperative Research Report No.235. : International Council for the Exploration of the Sea, Copenhagen K Denmark 1999 s. 6-13
UiO Untitled
 
1998
45 Balk, Helge; Lindem, Torfinn.
Hydroacoustic fish counting in rivers and shallow waters, with focus on problems related to tracking in horizontal scanning sonars. 21nd Scandinavian Symposium on Physical Acoustics; 1998-02-01
UiO Untitled
 
1995
46 Juell, Jon-Erik; Lindem, Torfinn; Fosseidengen, Jan Erik; Al Houari, Driss; Bjordal, Åsmund.
Hydroakustisk overvåkning og styring av lakseproduksjon. Fisken og Havet 1995 s. -
UiO HAVFORSK Untitled