Dr. Duncan A. Robertson Profile

Dr. Duncan A. Robertson

Principal Research Fellow at Univ of St Andrews

SPIE Involvement:

Conference Program Committee | Author | Editor

Area of Expertise:

millimeter wave radar , imaging , remote sensing , instrumentation , security , radiometry

Websites:

Company Website

Publications (38)

Proceedings Article | 10 June 2024 Presentation + Paper

Flexible holographic metasurfaces for shape dependent imaging and curvature sensing

Jianling Xiao, Tomasz Plaskocinski, Robert Hunter, Mohammad Biabanifard, Duncan Robertson, Graham Smith, Simon Horsley, Sebastian Schulz, Andrea Di Falco

Proceedings Volume 12990, 1299005 (2024) https://doi.org/10.1117/12.3016828

KEYWORDS: Holograms, Holography, Fabrication, Sensors, Nanorods, Phase shifts, Calibration, Polymethylmethacrylate

Read Abstract +

Proceedings Article | 14 June 2023 Presentation + Paper

Imaging experiments with a 340-GHz FMCW radar and frequency-diverse holograms

Samu-Ville Pälli, Aleksi Tamminen, Paavo Hiltunen, Sazan Rexhepi, Marlene Bonmann, Tomas Bryllert, Duncan Robertson, Juha Ala-Laurinaho, Jan Stake, Zachary Taylor

Proceedings Volume 12535, 125350M (2023) https://doi.org/10.1117/12.2663757

KEYWORDS: Neural networks, Imaging systems, Holograms, Radar, Cameras, Visible radiation, Transceivers, Radar signal processing, Image restoration

Read Abstract +

Proceedings Article | 3 June 2022 Paper

Progress on the R4AsH triple frequency radar laboratory experiments for characterization of volcanic ash

David Macfarlane, Duncan Robertson, Antonio Capponi

Proceedings Volume 12111, 1211103 (2022) https://doi.org/10.1117/12.2618751

KEYWORDS: Radar, Particles, Reflectivity, Amplifiers, Algorithm development, Upconversion, Linear filtering, Bandpass filters, Atmospheric particles, Receivers

Read Abstract +

Proceedings Article | 27 May 2022 Presentation + Paper

G-band FMCW Doppler radar for sea clutter and target characterization

Aleksanteri Vattulainen, Samiur Rahman, Duncan Robertson

Proceedings Volume 12108, 121080T (2022) https://doi.org/10.1117/12.2618497

KEYWORDS: Radar, Antennas, Doppler effect, Oceanography, Structural health monitoring, Sensors, Polarization, Manufacturing, Computer aided design, Modulation

Read Abstract +

Proceedings Article | 27 May 2022 Presentation + Paper

94 GHz Doppler radar for experimental validation of small UAV micro-Doppler

Matthew Moore, Duncan Robertson, Samiur Rahman

Proceedings Volume 12108, 121080S (2022) https://doi.org/10.1117/12.2618496

KEYWORDS: Radar, Unmanned aerial vehicles, Doppler effect, Antennas, Computer aided design, Receivers, Amplifiers, Signal to noise ratio

Read Abstract +

Proceedings Article | 27 May 2022 Presentation + Paper

Multiple drone type classification using machine learning techniques based on FMCW radar micro-Doppler data

Joshua Bernard-Cooper, Samiur Rahman, Duncan Robertson

Proceedings Volume 12108, 121080A (2022) https://doi.org/10.1117/12.2618026

KEYWORDS: Doppler effect, Radar, Feature extraction, Machine learning, Classification systems, Principal component analysis, Millimeter wave sensors, Unmanned aerial vehicles

Read Abstract +

Proceedings Article | 12 April 2021 Presentation + Paper

R4AsH: a triple frequency laboratory radar for characterizing falling volcanic ash

David Macfarlane, Ducan Robertson, Antonio Capponi

Proceedings Volume 11742, 1174219 (2021) https://doi.org/10.1117/12.2587613

KEYWORDS: Radar, Atmospheric particles, Reflectivity, Particles, Algorithm development, Optical imaging, Modeling, Explosives, Calibration, Atmospheric modeling

Read Abstract +

Proceedings Article | 12 April 2021 Presentation

Welcome and Introduction to SPIE Conference 11745

David Wikner, Duncan Robertson

Proceedings Volume 11745, 1174502 (2021) https://doi.org/10.1117/12.2597667

Read Abstract +

Proceedings Article | 23 April 2020 Presentation + Paper

Multiple drone classification using millimeter-wave CW radar micro-Doppler data

Samiur Rahman, Duncan Robertson

Proceedings Volume 11408, 1140809 (2020) https://doi.org/10.1117/12.2558435

KEYWORDS: Radar, Doppler effect, Data modeling, Image classification, Feature extraction, Neural networks, RGB color model, Polarization, Continuous wave operation, Performance modeling

Read Abstract +

Proceedings Article | 3 May 2019 Presentation + Paper

Millimeter-wave radar micro-Doppler feature extraction of consumer drones and birds for target discrimination

Samiur Rahman, Duncan Robertson

Proceedings Volume 11003, 110030S (2019) https://doi.org/10.1117/12.2518846

KEYWORDS: Doppler effect, Radar, Feature extraction, Detection and tracking algorithms, Continuous wave operation, Visualization, Image processing, Sensors, Classification systems, Optical filters

Read Abstract +

Proceedings Article | 8 May 2018 Presentation + Paper

The CONSORTIS 16-channel 340-GHz security imaging radar

Duncan Robertson, David Macfarlane, Robert Hunter, Scott Cassidy, Nuria Llombart, Erio Gandini, Tomas Bryllert, Mattias Ferndahl, Hannu Lindström, Jussi Tenhunen, Hannu Vasama, Jouni Huopana, Timo Selkälä, Antti-Jussi Vuotikka

Proceedings Volume 10634, 1063409 (2018) https://doi.org/10.1117/12.2304376

KEYWORDS: Radar, Mirrors, Transceivers, Control systems, Extremely high frequency, Scanners, Imaging systems, Dielectrics, Calibration, Radar imaging

Read Abstract +

Proceedings Article | 4 May 2018 Presentation + Paper

Coherent 24 GHz FMCW radar system for micro-Doppler studies

Samiur Rahman, Duncan Robertson

Proceedings Volume 10633, 106330I (2018) https://doi.org/10.1117/12.2304368

KEYWORDS: Radar, Antennas, Doppler effect

Read Abstract +

Proceedings Article | 11 May 2017 Presentation + Paper

High resolution, wide field of view, real time 340GHz 3D imaging radar for security screening

Proceedings Volume 10189, 101890C (2017) https://doi.org/10.1117/12.2262264

KEYWORDS: Radar, Extremely high frequency, Transceivers, Image resolution, Radar imaging, Real time imaging, High dynamic range imaging, Beam steering, 3D image processing, Imaging systems, Optical sensors

Read Abstract +

Proceedings Article | 11 May 2017 Presentation + Paper

Millimeter wave imaging: a historical review

Roger Appleby, Duncan Robertson, David Wikner

Proceedings Volume 10189, 1018902 (2017) https://doi.org/10.1117/12.2262476

KEYWORDS: Passive remote sensing, Millimeter wave imaging, Imaging systems, Signal processing, Remote sensing, Nondestructive evaluation, Synthetic vision, Security technologies

Read Abstract +

Proceedings Article | 1 May 2017 Presentation + Paper

Millimeter-wave micro-Doppler measurements of small UAVs

Samiur Rahman, Duncan Robertson

Proceedings Volume 10188, 101880T (2017) https://doi.org/10.1117/12.2261942

KEYWORDS: Radar, Unmanned aerial vehicles, Target detection, Extremely high frequency, Classification systems, Microwave radiation, Doppler effect, Modeling, Modulation, Fourier transforms, Data processing

Read Abstract +

Proceedings Article | 1 May 2017 Paper

A solid state 94 GHz FMCW Doppler radar demonstrator for cloud profiling

Duncan Robertson, Robert Hunter

Proceedings Volume 10188, 101880X (2017) https://doi.org/10.1117/12.2261871

KEYWORDS: Radar, Clouds, Antennas, Profiling, Doppler effect, Amplifiers, Solid state electronics, Extremely high frequency, Zone plates, Atmospheric particles, Reflectivity, Oscillators, Solid state physics

Read Abstract +

Proceedings Article | 12 May 2016 Paper

Second generation of AVTIS FMCW millimeter wave radars for mapping volcanic terrain

David Macfarlane, Duncan Robertson, Scott Cassidy

Proceedings Volume 9829, 982907 (2016) https://doi.org/10.1117/12.2223039

KEYWORDS: Radar, Extremely high frequency, Domes, Prototyping, Radar sensor technology, Sensors, Neodymium, Antennas, Data storage, Data processing

Read Abstract +

Proceedings Article | 12 May 2016 Paper

220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies

Duncan Robertson, David Macfarlane, Tomas Bryllert

Proceedings Volume 9830, 983009 (2016) https://doi.org/10.1117/12.2222780

KEYWORDS: Radar, Stereoscopy, Transceivers, Algorithm development, Extremely high frequency, Image resolution, Dielectrics, 3D image processing, 3D acquisition, Target detection

Read Abstract +

Proceedings Article | 12 May 2016 Paper

Millimeter wave imaging at up to 40 frames per second using an optoelectronic photo-injected Fresnel zone plate lens antenna

Duncan Robertson, Thomas Gallacher, Rune Søndenå, David Macfarlane

Proceedings Volume 9830, 983004 (2016) https://doi.org/10.1117/12.2223026

KEYWORDS: Beam steering, Antennas, Zone plates, Radar, Semiconducting wafers, Silicon, Radar imaging, Wafer-level optics, Digital micromirror devices, 3D image processing

Read Abstract +

Proceedings Article | 12 May 2016 Paper

94 GHz pulsed coherent radar for high power amplifier evaluation

Duncan Robertson, Robert Hunter, Thomas Gallacher

Proceedings Volume 9829, 982908 (2016) https://doi.org/10.1117/12.2223044

KEYWORDS: Radar, High power radar, Amplifiers, Antennas, Extremely high frequency, Doppler effect, Zone plates, Oscillators, Receivers, Switches

Read Abstract +

Proceedings Article | 9 June 2014 Paper

Concealed threat detection with the IRAD sub-millimeter wave 3D imaging radar

Duncan Robertson, Scott Cassidy, Ben Jones, Anthony Clark

Proceedings Volume 9078, 907805 (2014) https://doi.org/10.1117/12.2053023

KEYWORDS: Radar, Algorithm development, Stereoscopy, Extremely high frequency, Polarization, Video, Speckle, Applied sciences, Statistical analysis, Signal processing

Read Abstract +

Proceedings Article | 29 May 2014 Paper

Very low-phase noise, coherent 94GHz radar for micro-Doppler and vibrometry studies

Duncan Robertson, Graham Brooker, Patrick D. Beasley

Proceedings Volume 9077, 907719 (2014) https://doi.org/10.1117/12.2053015

KEYWORDS: Radar, Signal to noise ratio, Antennas, Vibrometry, Clocks, Interference (communication), Reflectors, Doppler effect, Fluctuations and noise, Oscillators

Read Abstract +

Proceedings Article | 29 May 2014 Paper

Detection and tracking of personnel using a high-speed 94GHz surveillance radar

David Macfarlane, Duncan Robertson, Ben Jones, Anthony Clark

Proceedings Volume 9077, 90770S (2014) https://doi.org/10.1117/12.2053017

KEYWORDS: Radar, Spatial resolution, Surveillance, Video, Antennas, Detection and tracking algorithms, Polarization, Sensors, Image resolution, Roads

Read Abstract +

Proceedings Article | 31 May 2013 Paper

Dynamic beam steering at submm- and mm-wave frequencies using an optically controlled lens antenna

T. Gallacher, R. Søndenå, D. Robertson, G. Smith

Proceedings Volume 8715, 87150O (2013) https://doi.org/10.1117/12.2015941

KEYWORDS: Semiconducting wafers, Silicon, Beam steering, Antennas, Spatial light modulators, Zone plates, Wafer-level optics, Digital Light Processing, Plasma, Projection systems

Read Abstract +

Proceedings Article | 31 May 2013 Paper

Passive and active imaging at 94 GHz for environmental remote sensing

David Macfarlane, Duncan Robertson, Scott Cassidy, Henry Odbert, Mike James, Harry Pinkerton, Geoff Wadge

Proceedings Volume 8715, 87150L (2013) https://doi.org/10.1117/12.2015730

KEYWORDS: Radar, Thermography, Infrared imaging, Radiometry, Environmental sensing, Remote sensing, Calibration, Antennas, Imaging systems, Environmental monitoring

Read Abstract +

Proceedings Article | 31 May 2013 Paper

Micro-doppler and vibrometry at millimeter and sub-millimeter wavelengths

Duncan Robertson, Scott Cassidy

Proceedings Volume 8714, 87141C (2013) https://doi.org/10.1117/12.2015048

KEYWORDS: Radar, Signal to noise ratio, Phase measurement, Doppler effect, Extremely high frequency, Phase shift keying, Vibrometry, Modulation, Diodes, Interference (communication)

Read Abstract +

Proceedings Article | 31 May 2013 Paper

Nonlinearity and phase noise effects in 340 GHz 3D imaging radar

Duncan Robertson, Scott Cassidy, David Bolton

Proceedings Volume 8715, 87150M (2013) https://doi.org/10.1117/12.2015774

KEYWORDS: Radar, Stereoscopy, Extremely high frequency, Phase measurement, Oscillators, Signal to noise ratio, Interference (communication), Microwave radiation, Calibration, Target detection

Read Abstract +

SPIE Journal Paper | 7 November 2012

Optoelectronic imaging using a millimeter-wave, optically controlled, photo-injected Fresnel-zone plate antenna

Tom Gallacher, Duncan Robertson, Graham Smith

OE, Vol. 51, Issue 11, 119003, (November 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.11.119003

KEYWORDS: Antennas, Reflectors, Radar, Zone plates, Semiconductors, Silicon, Optoelectronics, Plasma, Millimeter wave imaging, Projection systems

Read Abstract +

Proceedings Article | 9 May 2012 Paper

Millimeter-wave beam forming and dynamic steering using an optically controlled photo-injected Fresnel zone plate antenna at 94 GHz

Tom Gallacher, D. Robertson, G. Smith

Proceedings Volume 8362, 836204 (2012) https://doi.org/10.1117/12.918606

KEYWORDS: Zone plates, Antennas, Radar, Reflectors, Plasma, Silicon, Photomasks, Semiconductors, Projection systems, Semiconducting wafers

Read Abstract +

Proceedings Article | 9 May 2012 Paper

340-GHz 3D radar imaging test bed with 10-Hz frame rate

Duncan Robertson, Paul Marsh, David Bolton, Robert J. Middleton, Robert Hunter, Peter Speirs, David Macfarlane, Scott Cassidy, Graham Smith

Proceedings Volume 8362, 836206 (2012) https://doi.org/10.1117/12.918581

KEYWORDS: Radar, Extremely high frequency, Mirrors, Radar imaging, 3D image processing, Head, Scanners, Imaging systems, Polarization, Signal processing

Read Abstract +

Proceedings Article | 8 May 2006 Paper

High-resolution long-range radar imaging at 94 GHz

Duncan Robertson, David Macfarlane

Proceedings Volume 6210, 62100I (2006) https://doi.org/10.1117/12.669670

KEYWORDS: Radar, Image resolution, Antennas, Radar imaging, Metals, Optical spheres, Aluminum, Range imaging, Target detection, Oscillators

Read Abstract +

Proceedings Article | 5 May 2006 Paper

A 94 GHz dual-mode imaging radarometer for remote sensing

Duncan Robertson, David Macfarlane

Proceedings Volume 6211, 621102 (2006) https://doi.org/10.1117/12.669668

KEYWORDS: Radar, Radiometry, Calibration, Transmitters, Amplifiers, Receivers, Image resolution, Antennas, Temperature metrology, Diodes

Read Abstract +

Proceedings Article | 8 December 2004 Paper

A 94-GHz dual-mode active/passive imager for remote sensing

David Macfarlane, Duncan Robertson

Proceedings Volume 5619, (2004) https://doi.org/10.1117/12.579719

KEYWORDS: Radar, Antennas, Radiometry, Phase shifts, Remote sensing, Head, Oscillators, Clouds, Imaging systems, Image resolution

Read Abstract +

Proceedings Article | 12 August 2004 Paper

Compact millimeter-wave medical imager

Duncan Robertson

Proceedings Volume 5410, (2004) https://doi.org/10.1117/12.546687

KEYWORDS: Radiometry, Imaging systems, Calibration, Medical imaging, Optical isolators, Temperature metrology, Oscillators, Gaussian beams, Sensors, Metals

Read Abstract +

Proceedings Article | 20 August 2003 Paper

Mechanically scanned real-time passive millimeter-wave imaging at 94 GHz

Roger Appleby, Rupert Anderton, Sean Price, Neil Salmon, Gordon Sinclair, Peter Coward, Andrew Barnes, P. Munday, M. Moore, Alan Lettington, Duncan Robertson

Proceedings Volume 5077, (2003) https://doi.org/10.1117/12.488003

KEYWORDS: Receivers, Imaging systems, Mirrors, Passive millimeter wave imaging, Thermography, Surveillance, Dielectrics, Sensors, Diffraction, Integrated optics

Read Abstract +

Proceedings Article | 29 July 2002 Paper

Close-range millimeter wave imaging

David Macfarlane, James Lesurf, Duncan Robertson

Proceedings Volume 4719, (2002) https://doi.org/10.1117/12.477459

KEYWORDS: Tissues, Radiometry, Thermography, Optical amplifiers, Skin, Data modeling, Temperature metrology, Imaging systems, Infrared imaging, Calibration

Read Abstract +

Proceedings Article | 14 July 1999 Paper

Compact real-time (video rate) passive millimeter-wave imager

Roger Appleby, Rupert Anderton, Sean Price, Neil Salmon, Gordon Sinclair, Jonathan Borrill, Peter Coward, Vicky Paraskevi Papakosta, Alan Lettington, Duncan Robertson

Proceedings Volume 3703, (1999) https://doi.org/10.1117/12.353003

KEYWORDS: Imaging systems, Receivers, Mirrors, Antennas, Scanners, Polarization, Thermography, Data acquisition, Infrared imaging, Infrared radiation

Read Abstract +

Proceedings Article | 30 August 1993 Paper

Semi-chaotic pulse effectsin self-modulating Gunn oscillators

D. Robertson

Proceedings Volume 2104, 21041S (1993) https://doi.org/10.1117/12.2298496

KEYWORDS: Diodes, Oscillators, Sensors, Resistance, Signal detection, Continuous wave operation, Gallium arsenide, Microwave radiation, Spectrum analysis, Oscilloscopes

Read Abstract +