Lars Ulander

Professor at Chalmers, Space, Earth and Environment, Microwave and Optical Remote Sensing

Lars Ulander is professor in radar remote sensing as well as research director at the Swedish Defence Research Agency (FOI). His research is focused on radar systems, in particular signal and data processing for synthetic aperture radar (SAR) in different applications. His research has resulted in new radar systems and new knowledge about SAR and ground imaging in the VHF and UHF bands. He is one of the proposers for the BIOMASS satellite mission which is under development by the European Space Agency (ESA). The objective of BIOMASS is to produces yearly global maps of forest biomass. It will be the first SAR satellite operating in the UHF-band (432-438 MHz) and launch is scheduled 2020.

Source: chalmers.se

Projects

2015–2020

Tower for Time Series Analysis of Radar Measurements

Lars Ulander Radar Remote Sensing
Wingquists stiftelse

2016–2021

Weather Station for Time Series Analysis of Radar Scattering from Forests

Lars Ulander Radar Remote Sensing
Wingquists stiftelse

2012–2013

3D Forest Parameter Retrival from Tandem-X Interferometry

Lars Ulander Radar Remote Sensing
Leif Eriksson Radar Remote Sensing
Maciej Soja Radar Remote Sensing
Swedish National Space Board

2014–2015

TangoSat – Study of L- and P-band SAR Tomography Synergies

Lars Ulander Radar Remote Sensing
European Space Agency (ESA)

2014–2014

3D Forest Parameter Retrieval from TanDEM-X Interferometry

Lars Ulander Radar Remote Sensing
Leif Eriksson Radar Remote Sensing
Swedish National Space Board

2013–2015

Retrieval of wind with spaceborne SAR for polar oceans and coastal regions

Leif Eriksson Radar Remote Sensing
Gisela Carvajal Radar Remote Sensing
Lars Ulander Radar Remote Sensing
Swedish National Space Board

2015–2016

Retrival of forest biomass and biomass change with spaceborn SAR

Lars Ulander Radar Remote Sensing
Maciej Soja Radar Remote Sensing
Erik Blomberg Radar Remote Sensing
Leif Eriksson Radar Remote Sensing
Swedish National Space Board

2015–2019

Understanding ocean surface dynamics with satelite data

Leif Eriksson Radar Remote Sensing
Lars Ulander Radar Remote Sensing
Gisela Carvajal Radar Remote Sensing
Swedish National Space Board

2012–2013

Developing and evaluating biomass retrieval algorithms for the candidate Earth Explorer mission BIOMASS

Lars Ulander Radar Remote Sensing
Gustaf Sandberg Radar Remote Sensing
Maciej Soja Radar Remote Sensing
Swedish National Space Board

2013–2014

Retrieval of forest biomass and biomass change with spaceborne SAR

Lars Ulander Radar Remote Sensing
Swedish National Space Board

2016–2017

C-band Convoy Satellite Campaign

Lars Ulander Radar Remote Sensing
European Space Agency (ESA)
ESTEC

There might be more projects where Lars Ulander participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2016

BorealScat: A Tower-Based Tomographic and Polarimetric Radar Experiment in the Boreal Forest at P- and L-Band

Albert Monteith, Maciej J. Soja, Lars M. H. Ulander et al
Proceedings of IEEE International Geoscience and Remote Sensing Symposium. 10-15 July 2016, p. 7458 - 7461
Conference paper - peer reviewed
2016

Estimation of Forest Stem Volume using ALOS-2 PALSAR-2 Satellite Images

Johan Fransson, Maurizio Santoro, Jörgen Wallerman et al
Proceedings of 36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016; Beijing; China; 10-15 July 2016. Vol. 2016-November, p. Art no 7730388, Pages 5327-5330
Conference paper - peer reviewed
2016

Mapping Topography and Forest Parameters in a Boreal Forest with Dual-Baseline TanDEM-X Data and the Two-Level Model

Maciej J. Soja, Lars M. H. Ulander,
11th European Conference on Synthetic Aperture Radar (EUSAR)
Conference paper - peer reviewed
2016

Wind-wave effect on ATI-SAR measurements of ocean surface currents in the Baltic Sea

Elyouncha Anis, Leif E.B. Eriksson, Roland Romeiser et al
36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016; Beijing; China; 10-15 July 2016. Vol. 2016-November, p. 3982-3985
Conference paper - peer reviewed
2016

Factorized Geometrical Autofocus On the geometry search

Jan Torgrimsson, Lars M. H. Ulander, P. Dammert et al
IEEE Radar Conference (RadarConf), Philadelphia, PA, USA, May 02-06, 2016 , p. 293-297
Conference paper - peer reviewed
2016

Simulated biomass retrieval from the spaceborne tomographic Saocom-CS mission at L-band

Erik Blomberg, Maciej J. Soja, L. Ferro-Famil et al
European Space Agency, (Special Publication). Living Planet Symposium 2016, Prague, Czech Republic, 9-13 May 2016. Vol. 740
Conference paper - peer reviewed
2016

Borealscat: A tower experiment for understanding temporal changes in P- and L-band backscattering from a Boreal forest

Lars M. H. Ulander, Maciej J. Soja, Albert Monteith et al
European Space Agency, (Special Publication). Living Planet Symposium 2016, Prague, Czech Republic, 9-13 May 2016. Vol. 740
Conference paper - peer reviewed
2016

An Efficient Solution to the Factorized Geometrical Autofocus Problem

Jan Torgrimsson, Patrik Dammert, Hans Hellsten et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 54 (8), p. 4732-4748
Scientific journal article - peer reviewed
2015

A polarimetric model of topographic effects on P-band forest backscatter

Erik Blomberg, Maciej J. Soja, Lars M. H. Ulander et al
Proceedings of PolInSAR 2015
Conference paper - peer reviewed
2015

Detection of Thinning and Clear-Cuts using TanDEM-X Data

Henrik Persson, Maciej J. Soja, Lars M. H. Ulander et al
IEEE International Geoscience and Remote Sensing Symposium, p. 2907-2910
Conference paper - peer reviewed
2015

Forest Biomass Retrieval from BioSAR 2010 P-band SAR Data using a Regression-Based Model

Erik Blomberg, Maciej J. Soja, Lars M. H. Ulander et al
IEEE International Geoscience and Remote Sensing Symposium, p. 4193-4195
Conference paper - peer reviewed
2015

Mono- and Bistatic UHF-Band SAR Measurements of a Hemi-Boreal Forest

Lars M. H. Ulander, Maciej J. Soja, Anders Gustavsson et al
IEEE International Geoscience and Remote Sensing Symposium, p. 5079-5082
Conference paper - peer reviewed
2015

Detection of Forest Change and Robust Estimation of Forest Height from Two-Level Model Inversion of Multi-Temporal Single-Pass InSAR Data

Maciej J. Soja, Henrik Persson, Lars M. H. Ulander et al
IEEE International Geoscience and Remote Sensing Symposium, p. 3886-3889
Conference paper - peer reviewed
2015

VHF/UHF bistatic and passive SAR ground imaging

Lars M. H. Ulander, P. O. Frölind, A. Gustavsson et al
IEEE National Radar Conference - Proceedings. Vol. 2015-June (June), p. 669-673
Conference paper - peer reviewed
2015

Estimation of Forest Biomass From Two-Level Model Inversion of Single-Pass InSAR Data

Maciej J. Soja, H. J. Persson, Lars M. H. Ulander et al
Ieee Transactions on Geoscience and Remote Sensing. Vol. 53 (9), p. 5083-5099
Scientific journal article - peer reviewed
2015

Estimation of Forest Height and Canopy Density From a Single InSAR Correlation Coefficient

Maciej J. Soja, H. Persson, Lars M. H. Ulander et al
Ieee Geoscience and Remote Sensing Letters. Vol. 12 (3), p. 646-650
Scientific journal article - peer reviewed
2014

Suppression of Clutter in Multichannel SAR GMTI

T.K. Sjögren, V.T. Vu, M.I. Pettersson et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 52 (7), p. 4005-4013
Scientific journal article - peer reviewed
2014

Impulse response function for ultra-wideband SAR

Lars M. H. Ulander,
European Conference on Synthetic Aperture Radar (EUSAR), Berlin, Germany, 3-5 June 2014, p. 798-801
Conference paper - peer reviewed
2014

Biomass retrieval from P-band polarimetric and interferometric SAR data, challenges and recent results

T. Le Toan, Lars M. H. Ulander, K Papathanassiou et al
Joint 2014 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2014 and the 35th Canadian Symposium on Remote Sensing, CSRS 2014; Quebec City; Canada; 13 July 2014 through 18 July 2014, p. 1417-1420
Conference paper - peer reviewed
2014

Polarimetric-interferometric boreal forest scattering model for BIOMASS end-to-end simulator

Maciej J. Soja, Lars M. H. Ulander,
Joint 2014 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2014 and the 35th Canadian Symposium on Remote Sensing, CSRS 2014; Quebec Convention CentreQuebec City; Canada; 13 July 2014 through 18 July 2014, p. 1061-1064
Conference paper - peer reviewed
2014

Autofocus and analysis of geometrical errors within the framework of fast factorized back-projection

Jan Torgrimsson, P.B.G. Dämmert, H. Hellsten et al
Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9093, p. Article number 909303
Conference paper - peer reviewed
2014

P-band Polarimetric Model of Vertical Tree Stems on Sloping Ground

Erik Blomberg, Maciej J. Soja, Lars M. H. Ulander et al
Joint 2014 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2014 and the 35th Canadian Symposium on Remote Sensing, CSRS 2014; Quebec Convention CentreQuebec City; Canada; 13 July 2014 through 18 July 2014, p. 80-83
Conference paper - peer reviewed
2014

Estimation of Boreal Forest Biomass from Two-Level Model Inversion of Interfermetric TanDEM-X Data

Maciej J. Soja, Henrik Persson, Lars M. H. Ulander et al
Joint 2014 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2014 and the 35th Canadian Symposium on Remote Sensing, CSRS 2014; Quebec Convention CentreQuebec City; Canada; 13 July 2014 through 18 July 2014, p. 3398-3401
Conference paper - peer reviewed
2014

Factorized Geometrical Autofocus for Synthetic Aperture Radar Processing

Jan Torgrimsson, P. Dammert, H. Hellsten et al
Ieee Transactions on Geoscience and Remote Sensing. Vol. 52 (10), p. 6674-6687
Scientific journal article - peer reviewed
2014

Measurements of Forest Biomass Change Using P-Band Synthetic Aperture Radar Backscatter

Gustaf Sandberg, Lars M. H. Ulander, J. Wallerman et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 52 (10), p. 6047-6061
Scientific journal article - peer reviewed
2014

Two-Level Forest Model Inversion of Interferometric TanDEM-X Data

Maciej J. Soja, Lars M. H. Ulander,
10th European Conference on Synthetic Aperture Radar (EUSAR), p. 1137-1140
Conference paper - peer reviewed
2014

Retrieval and Quality Assessment of Wind Velocity Vectors on the Ocean With C-Band SAR

Gisela Carvajal, Leif E.B. Eriksson, Lars M. H. Ulander et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 52 (5), p. 2519-2537
Scientific journal article - peer reviewed
2013

Comparison between current fields detected with infrared radiometry and modeled currents around Sweden

Gisela Carvajal, Leif E.B. Eriksson, Lars M. H. Ulander et al
33rd IEEE International Geoscience and Remote Sensing Symposium (IGARSS); 2013, Melbourne, p. 1270-1273
Conference paper - peer reviewed
2013

Estimation of stem volume in hemi-boreal forests using airborne low-frequency Synthetic Aperture Radar and lidar data

J.E.S. Fransson, J. Wallerman, A. Gustavsson et al
International Geoscience and Remote Sensing Symposium (IGARSS), p. 161-164
Conference paper - peer reviewed
2013

Modelling of TanDEM-X Measured Forest Height from Small Footprint Lidar Data

Maciej J. Soja, Lars M. H. Ulander,
URSI Comission-F Microwave Signatures 2013
Conference poster
2013

Digital Canopy Model Estimation from TanDEM-X Interferometry using High-Resolution Lidar DEM

Maciej J. Soja, Lars M. H. Ulander,
Proceedings of IEEE Geoscience and Remote Sensing Symposium (IGARSS), 21-26 July 2013, p. 165-168
Conference paper - peer reviewed
2013

Model-Based Biomass Estimation of a Hemi-Boreal Forest from Multitemporal TanDEM-X Acquisitions

Jan Askne, Johan E. S. Fransson, Maurizio Santoro et al
Remote Sensing. Vol. 5 (11), p. 5574-5597
Scientific journal article - peer reviewed
2013

Correlation between Synthetic Aperture Radar Surface Winds and Deep Water Velocity in the Amundsen Sea, Antarctica

Gisela Carvajal, Anna Wåhlin, Leif E.B. Eriksson et al
Remote Sensing. Vol. 5 (8), p. 4088-4106
Scientific journal article - peer reviewed
2013

Regression-Based Retrieval of Boreal Forest Biomass in Sloping Terrain using P-band SAR Backscatter Intensity Data

Maciej J. Soja, Gustaf Sandberg, Lars M. H. Ulander et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 51 (5), p. 2646-2665
Scientific journal article - peer reviewed
2012

Boreal Forest Biomass Mapping with P-band SAR Backscatter

Maciej J. Soja, Gustaf Sandberg, Lars M. H. Ulander et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS) 2012
Conference poster
2012

Estimation of forest variables using TanDEM-X data in combination with a high resolution DEM

Henrik Persson, Maciej J. Soja, Santoro Maurizio et al
Proceedings for ForestSAT 2012
Conference paper - non peer reviewed
2012

Biomass retrieval of boreal forest for the satellite P-band synthetic-aperture radar BIOMASS

Lars M. H. Ulander, Gustaf Sandberg, Maciej J. Soja et al
Proc. RVK 2012, Stockholm, Sweden, 6 March 2012, p. 1 page
Conference paper - non peer reviewed
2012

The BIOMASS mission retrieval algorithms: Results from recent campaigns

T. Le Toan, Lars M. H. Ulander, K. Papathanassiou et al
Proc. IGARSS 2012, IEEE International Geoscience and Remote Sensing Symposium, Munich, Germany, 22-27 July 2012, p. 5546-5549
Conference paper - peer reviewed
2012

The science and measurement concepts underlying the BIOMASS mission

S. Quegan, J. Chave, J. Dall et al
Proc. IGARSS 2012, IEEE International Geoscience and Remote Sensing Symposium, Munich, Germany, 22-27 July 2012, p. 5542-5545
Conference paper - peer reviewed
2012

BIOMASS end-to-end mission performance assessment

P. López-Dekker, J.A. García, F. De Zan et al
Proc. IGARSS 2012, IEEE International Geoscience and Remote Sensing Symposium, Munich, Germany, 22-27 July 2012, p. 1602-1605
Conference paper - peer reviewed
2012

Evaluation of a geometrical autofocus algorithm within the framework of Fast Factorized Back-Projection

Hans Hellsten, Jan Torgrimsson, Patrik Dammert et al
Proceedings of IET RADAR 2012, 22-25 October, Glasgow, Scotland
Conference paper - peer reviewed
2012

Measurements of forest change using P-band SAR backscatter

Gustaf Sandberg, Lars M. H. Ulander, J.E.S. Fransson et al
Proceedings of IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 22-27 July 2012, Munich, Germany, p. 1652-1655
Conference paper - peer reviewed
2012

Forest biomass and the science of inventory from space

S. Saatchi, Lars M. H. Ulander, M. Williams et al
Nature Climate Change. Vol. 2 (12), p. 826-827
Scientific journal article - non peer reviewed
2012

Assessing Performance of L- and P-Band Polarimetric Interferometric SAR Data in Estimating Boreal Forest Above-Ground Biomass

M. Neumann, S. S. Saatchi, Lars M. H. Ulander et al
Ieee Transactions on Geoscience and Remote Sensing. Vol. 50 (3), p. 714-726
Scientific journal article - peer reviewed
2011

BIOMASS End-to-End performance Simulator

P. López-Dekker, F. De Zan, T. Börner et al
IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. Vancouver, 24-29 July 2011, p. 4249-4252
Conference paper - peer reviewed
2011

The BIOMASS mission: Mapping global forest biomass to better understand the terrestrial carbon cycle

T. Le Toan, S. Quegan, M. Davidson et al
Remote Sensing of Environment. Vol. 115, p. 2850-2860
Scientific journal article - peer reviewed
2011

Retrieval and assessment of sub-mesoscalewind velocity vectors with Synthetic Aperture Radar

Gisela Carvajal, Leif E.B. Eriksson, Lars M. H. Ulander et al
IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. Vancouver, 24-29 July 2011, p. 2041-2044
Conference paper - peer reviewed
2011

Parametric and non-parametric forest biomass estimation from PolInSAR data

M. Neumann, S. S. Saatchi, Lars M. H. Ulander et al
IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. Vancouver, 24-29 July 2011, p. 420-423
Conference paper - peer reviewed
2011

Impact and modeling of topographic effects on P-band SAR backscatter from boreal forests

Gustaf Sandberg, Maciej J. Soja, Lars M. H. Ulander et al
Proceedings of IGARSS 2011 Symposium, Vancouver, Canada, 24-29 July, 2011, p. 3522-3525
Conference paper - non peer reviewed
2011

BIOSAR 2010 - A SAR campaign in support to the BIOMASS mission

Lars M. H. Ulander, Anders Gustavsson, Pascale Dubois-Fernandez et al
Proceedings of IGARSS 2011 Symposium, Vancouver, Canada, 24-29 July, 2011, p. 1528-1531
Conference paper - non peer reviewed
2011

Biomass Retrieval Algorithm Based on P-band BioSAR Experiments of Boreal Forest

Lars M. H. Ulander, Gustaf Sandberg, Maciej J. Soja et al
IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. Vancouver, 24-29 July 2011, p. 4245-4248
Conference paper - non peer reviewed
2011

A Hybrid Model for Polarimetric and Interferometric P-band SAR Modelling of Forests

Maciej J. Soja, Lars M. H. Ulander,
Proceedings of PolInSAR 5th International Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry
Conference paper - non peer reviewed
2011

Statistical Analysis of VHF-Band Tree Backscattering Using Forest Ground Truth Data and PO Scattering Model

Anatolii Kononov, Annelie Wyholt, Gustaf Sandberg et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 49 (8), p. 3035-3046
Scientific journal article - peer reviewed
2011

L- and P-band backscatter intensity for biomass retrieval in hemiboreal forest

Gustaf Sandberg, Lars M. H. Ulander, J. E. S. Fransson et al
Remote Sensing of Environment. Vol. 115 (11), p. 2874 - 2886
Scientific journal article - peer reviewed
2010

RFI Suppression In Ultrawideband SAR Using Adaptive Line Enhancer

V. T. Vu, T. K. Sjögren, Mats I. Pettersson et al
IEEE Geoscience and Remote Sensing Letters. Vol. 7 (4), p. 694-698
Scientific journal article - peer reviewed
2010

Fast Factorized Back-Projection for Bistatic SAR Processing

Lars M. H. Ulander, Per-Olov Frölind, A. Gustavsson et al
Proceedings of European Conference on Synthetic Aperture Radar, Aachen, Germany, 7-10 June 2010, p. 1002-1005
Conference paper - non peer reviewed
2010

The BIOMASS mission – an ESA Earth Explorer candidate to measure the biomass of the Earth’s forests

Klaus Scipal, M. Arcioni, J. Chave et al
Proceedings of the 2010 IEEE International Geoscience and Remote Sensing Symposium, Honolulu, HI, USA, 25-30 July 2010, p. 52-55
Conference paper - non peer reviewed
2010

Design of Optimum Weighting Functions for LFM Signals

Anatolii Kononov, Lars M. H. Ulander, Leif E.B. Eriksson et al
Convergence and Hybrid Information Technologies, Marius Crisan (Ed.), p. 389-412
Chapter in monograph, book
2010

Clear-Cut Detection in Swedish Boreal Forest Using Multi-Temporal ALOS PALSAR Backscatter Data

M. Santoro, J.E.S. Fransson, Leif E.B. Eriksson et al
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. Vol. 3 (4), p. 618-631
Scientific journal article - peer reviewed
2010

Topographic Correction for Biomass Retrieval from P-band SAR Data in Boreal Forests

Maciej J. Soja, Gustaf Sandberg, Lars M. H. Ulander et al
Proceedings of IGARSS 2010 Symposium, Remote Sensing: Global Vision for Local Action, Honolulu, Hawaii, USA, 25-30 July, 2010, p. 4776-4779
Conference paper - non peer reviewed
2010

Detection of Moving Targets by Focusing in UWB SAR-Theory and Experimental Results

V. T. Vu, T. K. Sjogren, M. I. Pettersson et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 48 (10), p. 3799-3815
Scientific journal article - peer reviewed
2010

K&C Science Report – Phase 1, Detection of deforestation in Swedish forest

J.E.S. Fransson, Håkan Olsson, Leif E.B. Eriksson et al
Report
2009

Comparison of L- and P-band biomass retrievals based on backscatter from the BioSAR campaign

Gustaf Sandberg, Lars M. H. Ulander, J.E.S. Fransson et al
Proceedings of IGARSS 2009 Symposium, Earth Observation – Origins to Applications, Cape Town, South Africa, 13-17 July, 2009. Vol. IV, p. 169-172
Conference paper - non peer reviewed
2009

Mapping and monitoring clear-cuts in Swedish forest using ALOS PALSAR satellite images

Andreas Pantze, Anders H. Krantz, J.E.S. Fransson et al
Proceedings of IGARSS 2009 Symposium, Earth Observation – Origins to Applications, Cape Town, South Africa, 13-17 July, 2009. Vol. III, p. 589-592
Conference paper - non peer reviewed
2009

Investigations on forestry applications in Sweden using ALOS PALSAR

M. Santoro, J.E.S. Fransson, Leif E.B. Eriksson et al
Proceedings of ALOS PI 2008 Symposium, Island of Rhodes, Greece, 3-7 November 2008 . Vol. ESA-SP 664
Conference paper - non peer reviewed
2009

Signatures of ALOS PALSAR L-Band Backscatter in Swedish Forest

M Santoro, J.E.S. Fransson, Leif E.B. Eriksson et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 47 (12), p. 4001-4019
Scientific journal article - peer reviewed
2009

Evaluating VHF-Band SAR Autofocus Algorithms using a Forest Backscatter Model

Annelie Wyholt, Lars M. H. Ulander,
2009 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2009; Cape Town; South Africa; 12 July 2009 through 17 July 2009. Vol. 4, p. 9-12
Conference paper - peer reviewed
2009

Model-based compensation of topography effects for improved stem volume retrieval from CARABAS-II VHF-band SAR images

Klas Folkesson, Gary Smith-Jonforsen, Lars M. H. Ulander et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 47 (4), p. 1045-1055
Scientific journal article - peer reviewed
2009

Measurements of Faraday Rotation Using Polarimetric PALSAR Images

Gustaf Sandberg, Leif E.B. Eriksson, Lars M. H. Ulander et al
IEEE Geoscience and Remote Sensing Letters. Vol. 6 (1), p. 142-146
Scientific journal article - peer reviewed
2008

PALSAR Calibration Results from Sweden

Gustaf Sandberg, Leif E.B. Eriksson, Lars M. H. Ulander et al
Report
2008

First results from a bistatic VHF SAR experiment

A. Gustavsson, B. Flood, P-O. Frölind et al
in Proceedings of RVK08, Växjö, Sweden, 9-11 June 2008, p. 197-201
Conference paper - non peer reviewed
2008

Modeling of change detection in VHF- and UHF-band SAR

Lars M. H. Ulander, M. Lundberg,
in Proceedings of EUSAR 2008, 7th European Conference on Synthetic Aperture Radar, Friedrichshafen, GE, 2-5 June 2008. Vol. 4, p. 127-130
Conference paper - non peer reviewed
2008

First Results on VHF-band SAR Imaging using Circular Tracks

P-O. Frölind, A. Gustavsson, Lars M. H. Ulander et al
in Proceedings of EUSAR 2008, 7th European Conference on Synthetic Aperture Radar, Friedrichshafen, GE, 2-5 June 2008. Vol. 1, p. 221-224
Conference paper - non peer reviewed
2008

Swiss Airborne Monostatic and Bistatic Dual-Pol SAR Experiment at the VHF-Band

A. Barmettler, L. Zuberbühler, E. Meier et al
in Proceedings of EUSAR 2008, 7th European Conference on Synthetic Aperture Radar, Friedrichshafen, GE, 2-5 June 2008. Vol. 1, p. 139-142
Conference paper - non peer reviewed
2008

Bistatic Experiment with Ultra-Wideband VHF-band Synthetic-Aperture Radar

Lars M. H. Ulander, B. Flood, P-O. Frölind et al
in Proceedings of EUSAR 2008, 7th European Conference on Synthetic Aperture Radar, Friedrichshafen, GE, 2-5 June 2008. Vol. 1, p. 131-134
Conference paper - non peer reviewed
2008

Detection of clear-cuts using ALOS PALSAR satellite images

J.E.S. Fransson, M. Magnusson, H. Olsson et al
Proc. EUSAR 2008, 7th European Conference on Synthetic Aperture Radar, Friedrichshafen, Germany, 2-5 June 2008. Vol. 4, p. 103-106
Conference paper - non peer reviewed
2008

Review of polarimetric indicators for forest characterisation over several sites

P. Dubois-Fernandez, S. Angelliaume, I. Champion et al
Proceedings of IGARSS 2008, July 6-11, 2008, Boston, Massachusetts, USA. Vol. IV, p. 319-322
Conference paper - non peer reviewed
2008

ALOS PALSAR calibration and validation activities in Sweden

Leif E.B. Eriksson, Gustaf Sandberg, J.E.S. Fransson et al
Proceedings of The First Joint PI Symposium of ALOS Data Nodes for ALOS Science Program in Kyoto, Kyoto, Japan, 19 - 23 November, 2007. Vol. JAXA-SP-07-012
Conference paper - non peer reviewed
2008

A physical-optics model for double-bounce scattering from tree stems standing on an undulating ground surface

Björn Hallberg, Gary Smith-Jonforsen, Lars M. H. Ulander et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 46 (9), p. 2607-2621
Scientific journal article - peer reviewed
2008

Validating backscatter models for CARABAS SAR images of coniferous forests

Klas Folkesson, Gary Smith-Jonforsen, Lars M. H. Ulander et al
Canadian J. of Remote Sensing. Vol. 34 (5), p. 480-495
Scientific journal article - peer reviewed
2007

Faraday rotation measured in polarimetric PALSAR images compared with theoretical expectations

Gustaf Sandberg, Leif E.B. Eriksson, Lars M. H. Ulander et al
Proc. ASAR, Vancouver, BC, Canada, Sep.
Conference paper - non peer reviewed
2007

Bistatic VHF and UHF SAR for urban environments

J.R. Rasmusson, M. Blom, B. Flood et al
Proceedings of SPIE -- Volume 6547, Radar Sensor Technology XI, James L. Kurtz, Robert J. Tan, Editors, 654705, May 2, 2007. Vol. 6547
Conference paper - non peer reviewed
2007

Estimation of forest stem volume using ALOS PALSAR satellite images

M. Magnusson, J.E.S. Fransson, Leif E.B. Eriksson et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS 2007), Barcelona, Spain, July 23-27, 2007. Vol. DOI: 10.1109/IGARSS.2007.4423813, p. 4343-4346
Conference paper - non peer reviewed
2007

Detection of forest changes using ALOS PALSAR satellite images

J.E.S. Fransson, M. Magnusson, H. Olsson et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS 2007), Barcelona, Spain, July 23-27, 2007. Vol. DOI: 10.1109/IGARSS.2007.4423308, p. 2330-2333
Conference paper - non peer reviewed
2007

ALOS PALSAR Calibration and Validation Results from Sweden

Leif E.B. Eriksson, Gustaf Sandberg, Lars M. H. Ulander et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS 2007), Barcelona, Spain, July 23-27, 2007. Vol. DOI: 10.1109/IGARSS.2007.4423115, p. 1589-1592
Conference paper - non peer reviewed
2007

Stem volume estimation for boreal forest using ALOS PALSAR

Leif E.B. Eriksson, M. Magnusson, J.E.S. Fransson et al
5th International Symposium on Retrieval of Bio- and Geophysical Parameters from SAR Data for Land Applications, Bari, Italy, September 25-28, 2007, ESA, Istituto di Studi sui Sistemi Intelligenti per l´Automazione, p. CD
Conference paper - non peer reviewed
2007

A Physical-optics Model for Predicting VHF/UHF-band HH-pol Backscatter from Coniferous Forests in Undulating Terrain

Gustaf Sandberg, Björn Hallberg, Gary Smith-Jonforsen et al
5th International Symposium on Retrieval of Bio- and Geophysical Parameters from SAR Data, Bari, Italy, September 25-28, 2007, ESA, Istituto di Studi sui Sistemi Intelligenti per l`Automazione, p. CD
Conference paper - non peer reviewed
2007

Topographic and Number Density Effects in Forest Observations with P-band SAR

Lars M. H. Ulander, Gustaf Sandberg, Klas Folkesson et al
5th International Symposium on Retrieval of Bio- and Geophysical Parameters from SAR Data, Bari, Italy, September 25-28, 2007, ESA, Istituto di Studi sui Sistemi Intelligenti per l´Automazione, p. CD
Conference paper - non peer reviewed
2007

Mapping of Wind-Thrown Forests Using VHF/UHF SAR Images

J.E.S. Fransson, M. Magnusson, Klas Folkesson et al
IEEE 2007 International Geoscience and Remote Sensing Symposium (IGARSS 2007), Barcelona, Spain, July 23-27 2007. Vol. DOI: 10.1109/IGARSS.2007.4423313, p. 2350-2353
Conference paper - non peer reviewed
2007

Effects of Forest Biomass and Stand Consolidation on P-Band Backscatter

Gary Smith-Jonforsen, Klas Folkesson, Björn Hallberg et al
IEEE Geoscience and Remote Sensing Letters. Vol. 4 (4), p. 669-673
Scientific journal article - non peer reviewed
2006

Mapping of wind-thrown forests using the VHF-band CARABAS-II SAR

Lars M. H. Ulander, A. Gustavsson, Gary Smith-Jonforsen et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS), held in Denver, Colorado, July 2006., p. 3684
Conference paper - non peer reviewed
2006

ALOS Calibration and Validation Activities in Sweden

Lars M. H. Ulander, Leif E.B. Eriksson, Gary Smith-Jonforsen et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS), held in Denver, Colorado, July 2006., p. 336
Conference paper - non peer reviewed
2006

Automatic Detection of Wind-Thrown Forest in VHF SAR Images

Klas Folkesson, Björn Hallberg, Gary Smith-Jonforsen et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS), held in Denver, Colorado, July 2006., p. 3599
Conference paper - non peer reviewed
2006

Fast Factorised Backprojection Algorithm for Processing of Microwave SAR Data

Lars M. H. Ulander, P-O. Frölind, D. Murdin et al
EUSAR 2006, held in Dresden, Germany, May 2006.
Conference paper - non peer reviewed
2006

Bistatic clutter suppression in low-frequency SAR

Lars M. H. Ulander, T. Martin,
EUSAR 2006, held in Dresden, Germany, May 2006.
Conference paper - non peer reviewed
2006

Multi-pass and multi-date at P and L bands: Ground penetration and change detection

X. Dupuis, P. Dreuillet, Lars M. H. Ulander et al
EUSAR 2006, held in Dresden, Germany, May 2006.
Conference paper - non peer reviewed
2006

LORAM - A SAR/GMTI Data Collection Campaign

A. Gustavsson, Lars M. H. Ulander, P-O. Frölind et al
EUSAR 2006, held in Dresden, Germany, May 2006.
Conference paper - non peer reviewed
2006

VHF/UHF Ultra-Wideband SAR Measurements of Forests

Gary Smith-Jonforsen, Björn Hallberg, Klas Folkesson et al
EUSAR 2006, held in Dresden, Germany, May 2006.
Conference paper - non peer reviewed
2006

A challenge problem for detection of targets in foliage

M. Lundberg, Lars M. H. Ulander, W.E. Pierson et al
Algorithms for Synthetic Aperture Radar Imagery XIII, Proceedings of the SPIE. Vol. 6237
Conference paper - non peer reviewed
2006

Fast Factorised Backprojection Algorithm for Processing of SAR Data

P-O. Frölind, Lars M. H. Ulander, D. Murdin et al
Proc. IoA International Conference on Synthetic Aperture Sonar and Synthetic Aperture Radar, held in Lerici, Italy, 11-12 September, 2006., p. 168-175
Scientific journal article - peer reviewed
2005

Low VHF-band backscatter from coniferous forests on sloping terrain

Gary Smith-Jonforsen, Lars M. H. Ulander, X. Luo et al
IEEE Trans. Geosci. Rem. Sens.. Vol. 43 (10), p. 2246-2260
Scientific journal article - peer reviewed
2005

Measurements on individual trees using multiple VHF SAR images

Björn Hallberg, Gary Smith-Jonforsen, Lars M. H. Ulander et al
IEEE Trans. Geosci. Rem. Sens.. Vol. 43 (10), p. 2261-2269
Scientific journal article - peer reviewed
2005

Radar experiment addressing ground target detection based on VHF SAR data

Lars M. H. Ulander, A. Gustavsson, M. Lundberg et al
Proc. RVK 05, Radiovetenskap och kommunikation, Linköping, Sweden, June 14-16 2005, p. 233-238
Conference paper - non peer reviewed
2005

LORA - a new airborne imaging radar sensor

J. Rasmusson, B. Larsson, M. Blom et al
Proc. RVK 05, Radiovetenskap och kommunikation, Linköping, Sweden, June 14-16 2005, p. 531-534
Conference paper - non peer reviewed
2005

Bistatic SAR simulations for imaging of ground targets under foliage

T. Martin, Lars M. H. Ulander,
Proc. RVK 05, Radiovetenskap och kommunikation, Linköping, Sweden, June 14-16 2005, p. 579-582
Conference paper - non peer reviewed
2005

Employing UAVs to augment ISR capabilities

A. Gustavsson, Lars M. H. Ulander, M. Karlsson et al
Proc. RVK 05, Radiovetenskap och kommunikation, Linköping, Sweden, June 14-16 2005, p. 221-226
Scientific journal article - peer reviewed
2005

Bistatic ultra-wideband SAR for imaging of ground targets under foliage

Lars M. H. Ulander, T. Martin,
Proc. 2005 IEEE International Radar Conference, held in Arlington, VA, May 9-12 2005, p. 419-423
Conference paper - non peer reviewed
2005

Remote Sensing at the Department of Radio and Space Science, Chalmers University of Technology

Jan Askne, Gunnar Elgered, Bo Galle et al
IEEE Geoscience and Remote Sensing Newsletter (136), p. 11-18
Journal/newspaper article
2005

Mapping and monitoring forest stem volume using CARABAS

Klas Folkesson, J.E.S. Franssson, A. Gustavsson et al
Forestsat 2005 / Olsson, H.. Vol. B, p. 97-101
Conference paper - non peer reviewed
2005

Measurements at tree level using CARABAS-II

Björn Hallberg, Gary Smith-Jonforsen, Lars M. H. Ulander et al
Forestsat 2005 / Olsson, H.. Vol. A, p. 54-58
Conference paper - non peer reviewed
2005

Mapping of Wind-thrown Forests in Southern Sweden Using Space- and Airborne SAR

Lars M. H. Ulander, Gary Smith-Jonforsen, Leif E.B. Eriksson et al
IEEE "Geoscience and Remote Sensing Symposium (IGARSS), Seoul, Korea, 25-29 July. Vol. 5, p. 3619-3622
Conference paper - non peer reviewed
2005

Evaluation of using space- and airborne radar for mapping wind-thrown forests after the January 2005 hurricane in southern Sweden

Lars M. H. Ulander, Gary Smith-Jonforsen, Leif E.B. Eriksson et al
Forestsat 2005 / Olsson, H.. Vol. A, p. 99-104
Conference paper - non peer reviewed
2004

VHF-band SAR for detection of concealed ground targets

Lars M. H. Ulander,
Proc. NATO RTO Symposium on Sensor and Sensor Denial by Camouflage, Concealment and Deception, held in Brussels, Belgium, 19-20 April 2004, p. 19-1 - 19-11
Conference paper - non peer reviewed
2004

SAS processing using a polar version of fast factorised back-projection

Per-Olov Frölind, Lars M. H. Ulander, G. Shippey et al
IOA International Conference on Sonar Signal Processing, Loughborough, U.K., 14-15 Sep 2004. Vol. 26 (15)
Conference paper - non peer reviewed
2004

Combining various ISR assets to create a common and complete ground picture

A. Gustavsson, Lars M. H. Ulander,
EUSAR 2004, 5th European Conference on Synthetic Aperture Radar, held in Ulm, Germany, 25-27 May 2004., p. 301-304
Conference paper - non peer reviewed
2004

Fast back-projection SAR processing using precision interpolation kernels

Per-Olov Frölind, Lars M. H. Ulander,
EUSAR 2004, 5th European Conference on Synthetic Aperture Radr, held in Ulm, Germany, 25-27 May 2004., p. 153-156
Conference paper - non peer reviewed
2004

Performance of VHF-band SAR change detection for wide-area surveilllance of concealed ground targets

Lars M. H. Ulander, W. Pierson, M. Lundberg et al
SPIE Proc. Algorithms for Synthetic Aperture Radar Imagery XI, Orlando, FL, 12-15 April 2004. Vol. 5427, p. 259-270
Conference paper - non peer reviewed
2004

Simulation of a Spaceborne Low-Frequency SAR for Global Biomass Assessment

Björn Hallberg, Gary Smith-Jonforsen, Annelie Olofsson et al
“Radar 2004”, Toulouse, France, 18-22 October, 2004.
Conference paper - non peer reviewed
2004

Automatic Segmentation of Multiple VHF-Band SAR Images to Improve Stem Volume Retrieval

Klas Folkesson, Gary Smith-Jonforsen, Lars M. H. Ulander et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS), Anchorage, Alaska, Sept. 2004, p. 519-522
Conference paper - peer reviewed
2004

Estimation of Forest Stem Volume in Sloping Terrain Using CARABAS-II VHF SAR Data

J.E.S. Fransson, Gary Smith-Jonforsen, F. Walter et al
Can. J. Rem. Sens.. Vol. 30, p. 651-660
Scientific journal article - peer reviewed
2004

Performance Simulation of Spaceborne P-Band SAR for Global Biomass Retrieval

Björn Hallberg, Gary Smith-Jonforsen, Annelie Olofsson et al
IEEE "Geoscience and Remote Sensing Symposium (IGARSS), Anchorage, Alaska, Sept 2004, p. 503-506
Conference paper - peer reviewed
2004

Applications of Low-Frequency SAR: Final Project Report, ESA Contract No. 16115/02/NL/MM

Gary Smith-Jonforsen, Anders Carlström, Klas Folkesson et al
Report
2003

Stem volume retrieval at stand level using multiple low-frequency SAR images

Klas Folkesson, Gary Smith-Jonforsen, Lars M. H. Ulander et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS), Toulouse, France, 21-25 July. Vol. IV, p. 2556-8
Conference paper - non peer reviewed
2003

Synthetic-aperture radar processing using fast factorized back-projection

Lars M. H. Ulander, H. Hellsten, G. Stenstrom et al
IEEE Transactions on Aerospace and Electronic Systems. Vol. 39 (3), p. 760-776
Scientific journal article - peer reviewed
2003

A production line for forest stem volume measurements from VHF SAR data

F. Walter, J.E.S. Fransson, A. Gustavsson et al
IEEE "Geoscience and Remote Sensing Symposium (IGARSS), Toulouse, France, 21-25 July. Vol. IV, p. 2544-6
Conference paper - non peer reviewed
2002

Forest stem volume estimation using high-resolution lidar and SAR data

Gary Smith-Jonforsen, Å. Persson, J. Holmgren et al
IEEE Geoscience and Remote Sensing Symposium (IGARSS), Toronto, Canada, 24-28 June. Vol. IV, p. 2084-6
Conference paper - non peer reviewed
1999

Jammer Suppresson in an Ultra-Wideband and Widebeam SAR System

M.I. Pettersson, Lars M. H. Ulander,
RADAR ´99. 5th International Conference on Radar System, Brest, France
Conference paper - peer reviewed
1999

Simulations of Ground Moving Target Indication in an Ultra-Wideband and Wide-Beam SAR System

M.I. Pettersson, Lars M. H. Ulander, H. Hellsten et al
Proceedings of the SPIE's International Symposium on Optical Science, Engineering and Instrumentation, Denver, Colorado, USA. Vol. 3810, p. 84-95
Conference paper - peer reviewed
1996

RCS of dipoles used for SAR calibration

Lars M. H. Ulander, Zvonimir Sipus,
EUSAR'96, Königswinter; Germany, 1996
Conference paper - peer reviewed
1991

Radar remote sensing of sea ice : measurements and theory

Lars M. H. Ulander,
Doctoral thesis