Mr. Douglas L. Bickel Profile

Douglas L. Bickel

Technical Staff at Sandia National Labs

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 27 May 2022 Poster + Paper

Impact of radar flightpath on synthetic aperture radar image height of focus

Armin Doerry, Douglas Bickel

Proceedings Volume 12108, 121080V (2022) https://doi.org/10.1117/12.2618411

KEYWORDS: Synthetic aperture radar, Radar, Distortion, Image processing, Reflectors, Image quality

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Proceedings Article | 12 April 2021 Poster + Presentation + Paper

Motion measurement impact on synthetic aperture radar (SAR) geolocation

A. Doerry, D. Bickel

Proceedings Volume 11742, 117421D (2021) https://doi.org/10.1117/12.2585846

KEYWORDS: Synthetic aperture radar, Motion measurement, Radar, Global Positioning System

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Proceedings Article | 3 May 2019 Presentation + Paper

On minimum detectable velocity

D. Bickel, A. Doerry

Proceedings Volume 11003, 110030N (2019) https://doi.org/10.1117/12.2518121

KEYWORDS: Signal to noise ratio, Radar, Antennas, Signal attenuation, Target detection, Receivers, Signal detection, Signal processing

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Proceedings Article | 3 May 2019 Presentation + Paper

Performance effect of unintended polarization on clutter attenuation

D. Bickel, A. Doerry

Proceedings Volume 11003, 110030H (2019) https://doi.org/10.1117/12.2518125

KEYWORDS: Polarization, Radar, Antennas, Signal attenuation, Signal processing, Signal to noise ratio, Interference (communication), Backscatter, Transmitters, Signal detection

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Proceedings Article | 4 May 2018 Paper

Measuring channel balance in multi-channel radar receivers

D. Bickel, A. Doerry

Proceedings Volume 10633, 106331A (2018) https://doi.org/10.1117/12.2303455

KEYWORDS: Radar, Receivers, Antennas, Calibration, Interferometric synthetic aperture radar, Signal processing, Synthetic aperture radar, Signal detection

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Proceedings Article | 4 May 2018 Paper

Imaging radar performance analysis using product dark regions

Ann Marie Raynal, Douglas Bickel

Proceedings Volume 10633, 1063310 (2018) https://doi.org/10.1117/12.2309372

KEYWORDS: Radar, Synthetic aperture radar, Signal to noise ratio, Image filtering, Filtering (signal processing), Temporal coherence, Spatial coherence, Coherence (statistics), Testing and analysis

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Proceedings Article | 1 May 2017 Paper

Discriminating spurious signals in radar data using multiple channels

A. Doerry, D. Bickel

Proceedings Volume 10188, 101881E (2017) https://doi.org/10.1117/12.2258352

KEYWORDS: Doppler effect, Target detection, Analog electronics, Digital signal processing, Demodulation, Radar, Image processing, Signal processing, Apodization, Phase modulation, Modulation

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Proceedings Article | 1 May 2017 Paper

Using coherence as a quality measure for complex radar image compression

D. Bickel, A. Doerry

Proceedings Volume 10188, 101881D (2017) https://doi.org/10.1117/12.2258351

KEYWORDS: Signal to noise ratio, Image segmentation, Ka band, Data compression, Image compression, Synthetic aperture radar, Coherence (optics), Image quality, Quality measurement, Radar

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Proceedings Article | 12 May 2016 Paper

Antenna phase center locations in tapered aperture subarrays

A. Doerry, D. Bickel

Proceedings Volume 9829, 98291K (2016) https://doi.org/10.1117/12.2214515

KEYWORDS: Antennas, Radar, Signal to noise ratio, Beam shaping, Commercial off the shelf technology, Numerical integration, Detection and tracking algorithms, Signal processing, Radar sensor technology, Current controlled current source

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Proceedings Article | 21 May 2015 Paper

Coherence model for building layover in interferometric SAR

Douglas Bickel

Proceedings Volume 9461, 946121 (2015) https://doi.org/10.1117/12.2181678

KEYWORDS: Interferometric synthetic aperture radar, Mathematical modeling, Backscatter, Data modeling, Interferometry, Antennas, Phase interferometry, Radar, Scattering, Synthetic aperture radar

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Proceedings Article | 29 May 2014 Paper

Some comments on performance requirements for DMTI radar

A. Doerry, D. Bickel, A. Raynal

Proceedings Volume 9077, 90771I (2014) https://doi.org/10.1117/12.2048975

KEYWORDS: Radar, Doppler effect, Target detection, Signal to noise ratio, Ku band, Signal processing, Motion estimation, Motion measurement, Radar imaging, Interference (communication)

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Proceedings Article | 29 May 2014 Paper

Determining snow depth using Ku-band interferometric synthetic aperture radar (InSAR)

J. Evans, F. Kruse, D. Bickel, Ralf Dunkel

Proceedings Volume 9077, 90770V (2014) https://doi.org/10.1117/12.2049711

KEYWORDS: Synthetic aperture radar, Interferometric synthetic aperture radar, Radar, Reflectors, Interferometry, Ku band, LIDAR, Antennas, Coherence (optics), Phase interferometry

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Proceedings Article | 29 May 2014 Paper

Stationary and moving target shadow characteristics in synthetic aperture radar

Ann Marie Raynal, Douglas Bickel, Armin Doerry

Proceedings Volume 9077, 90771B (2014) https://doi.org/10.1117/12.2049729

KEYWORDS: Synthetic aperture radar, Radar, Target detection, Image resolution, Reflectivity, Charge-coupled devices, Doppler effect, Diffraction, Visualization, Radar imaging

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Proceedings Article | 31 May 2013 Paper

A comparison of interferometric SAR antenna options

A. Doerry, D. Bickel

Proceedings Volume 8714, 87141F (2013) https://doi.org/10.1117/12.2015325

KEYWORDS: Antennas, Interferometric synthetic aperture radar, Signal to noise ratio, Radar, Synthetic aperture radar, Phase shift keying, Phase measurement, Gallium, Interferometry, Radar sensor technology

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Proceedings Article | 9 May 2012 Paper

Radar cross section statistics of cultural clutter at Ku-band

Ann Marie Raynal, Douglas Bickel, Dale Dubbert, Tobias Verge, Bryan Burns, Ralf Dunkel, Armin Doerry

Proceedings Volume 8361, 83610Y (2012) https://doi.org/10.1117/12.919789

KEYWORDS: Radar, Polarization, Ku band, X band, Synthetic aperture radar, Buildings, Polarimetry, Reconnaissance systems, Data modeling, Statistical analysis

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Proceedings Article | 21 June 2011 Paper

Clutter locus equation for more general linear array orientation

Douglas Bickel

Proceedings Volume 8021, 80210Y (2011) https://doi.org/10.1117/12.884528

KEYWORDS: Radar, Doppler effect, 3D imaging standards, Radar sensor technology, Current controlled current source, Interferometric synthetic aperture radar, Antennas, Matrices

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Proceedings Article | 21 June 2011 Paper

Radar cross section statistics of ground vehicles at Ku-band

Ann Marie Raynal, Douglas Bickel, Michael Denton, Wallace Bow, Armin Doerry

Proceedings Volume 8021, 80210E (2011) https://doi.org/10.1117/12.882875

KEYWORDS: Ku band, Polarization, Radar, X band, Data modeling, Synthetic aperture radar, Scattering, Target detection, Statistical modeling, Databases

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Proceedings Article | 21 June 2011 Paper

Radar cross section statistics of dismounts at Ku-band

Ann Marie Raynal, Bryan Burns, Tobias Verge, Douglas Bickel, Ralf Dunkel, Armin Doerry

Proceedings Volume 8021, 80210D (2011) https://doi.org/10.1117/12.882873

KEYWORDS: Polarization, Firearms, Radar, Ku band, Target detection, Synthetic aperture radar, Doppler effect, Reconnaissance systems, Detection and tracking algorithms, Scattering

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Proceedings Article | 3 May 2007 Paper

A portfolio of products from the rapid terrain visualization interferometric SAR

Douglas Bickel, Armin Doerry

Proceedings Volume 6547, 65470P (2007) https://doi.org/10.1117/12.720531

KEYWORDS: Interferometric synthetic aperture radar, Radar, Sensors, Visualization, Synthetic aperture radar, Error analysis, Roads, Buildings, Interferometry, Phase measurement

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Proceedings Article | 2 May 2007 Paper

Results from an x-band synthetic aperture radar collection in Antarctica

Douglas Bickel, Grant Sander

Proceedings Volume 6547, 654704 (2007) https://doi.org/10.1117/12.720539

KEYWORDS: Radar, X band, Synthetic aperture radar, Image resolution, Reflectors, Ku band, Visualization, Electromagnetic coupling, Global Positioning System, Photography

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Proceedings Article | 10 November 2003 Paper

The rapid terrain visualization interferometric synthetic aperture radar sensor

Robert Graham, Douglas Bickel, William Hensley

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.506027

KEYWORDS: Interferometric synthetic aperture radar, Sensors, Radar, Antennas, Visualization, Synthetic aperture radar, Data modeling, Diffraction, Motion measurement, Navigation systems

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Proceedings Article | 10 November 2003 Paper

Height estimation improvement via baseline calibration for a dual-pass dual-antenna ground-mapping IFSAR system

Ana Martinez, Armin Doerry, Douglas Bickel, Mohammed Jamshidi

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.504632

KEYWORDS: Antennas, Interferometric synthetic aperture radar, Signal to noise ratio, Error analysis, Radar, Calibration, Synthetic aperture radar, Data modeling, Interference (communication), Data processing

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SPIE Journal Paper | 1 August 2003

Coherent data alignment and baseline calibration for improved two-pass interferometric synthetic aperture radar

Ana Martinez, Armin Doerry, Mohammad Jamshidi, Douglas Bickel

OE, Vol. 42, Issue 08, (August 2003) https://doi.org/10.1117/12.10.1117/1.1586705

KEYWORDS: Antennas, Interferometric synthetic aperture radar, Signal to noise ratio, Error analysis, Optical engineering, Optical alignment, Synthetic aperture radar, Radar, Calibration, Imaging systems

Proceedings Article | 24 August 2000 Paper

3D SAR approach to IF SAR processing

Armin Doerry, Doug Bickel

Proceedings Volume 4053, (2000) https://doi.org/10.1117/12.396318

KEYWORDS: Interferometric synthetic aperture radar, Synthetic aperture radar, Antennas, 3D image processing, Video, Image acquisition, Signal to noise ratio, Image processing, Modulation, Fourier transforms

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Showing 5 of 24 publications

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