• E.C. Zaugg and D.G. Long, "Generalized Frequency Scaling and Backprojection for LFM-CW SAR Processing", IEEE Transactions on Geoscience and Remote Sensing, Vol. 53, No. 2, pp. 3600-3614, doi:10.1109/TGRS.2014.2380154, 2015. (2.6 MB PDF*)
• M.D. Duersch and D.G. Long, "Analysis of Time-domain Backprojection for Stripmap SAR", International Journal of Remote Sensing, vol. 36, no.8, pp. 2010-2036, doi:10.1080/01431161.2015.1030044, 2015. (2.7 MB PDF*)
• M.D. Duersch and D.G. Long, "Backprojection SAR Interferometry", International Journal of Remote Sensing, Vol. 36, No. 4, pp. 979-999, doi:10.1080/01431161.2014.1001087, 2015. (1.5 MB PDF*)
• M.D. Duersch and D.G. Long, "An Analysis of Multi-static Pixel Correlation in SAR", IEEE Transactions on Geoscience and Remote Sensing, doi:10.1109/TGRS.2014.232261, Vol. 53, No. 1, pp. 362-374, 2015. (2.5 MB PDF*)
• C. Stringham and D.G. Long, "GPU Processing for UAS-Based LFM-CW Stripmap SAR", Photogrammetric Engineering and Remote Sensing, doi:10.14358/PERS.80.12.1107, Vol. 80, No. 12, pp. 1107-1115, 2014. (2.5 MB PDF*)
• E. Zaugg, M. Edwards, D. Long, C. Stringham, "Developments in compact high-performance synthetic aperture radar systems for use on small Unmanned Aircraft Digital Receiver Design for an Offset IF LFM-CW SAR," IEEE Aerospace Conference 2011, pp. 1-14, doi:10.1109/AERO.2011.5747414, 2011. (1.2 MB PDF*)
• C. Stringham and D.G. Long, "Improved Processing of the CASIE SAR Data," Proceedings of the International Geoscience and Remote Sensing Symposium, doi:10.1109/IGARSS.2011.6049325, pp. 1389-1392, Vancover, Canada, 2011. (1 MB PDF*)
• C. Stringham, D.G. Long, B. Wicks, G. Ramsey, "Digital Receiver Design for an Offset IF LFM-CW SAR," IEEE Radar Conference 2011, pp. 960-964, doi:10.1109/RADAR.2011.5960678, Kansas City, MO, 2011. (1.6 MB PDF*)
• K. Moon and D.G. Long, "A New Factorized Backprojection Algorithm for Stripmap Synthetic Aperture Radar", Positioning, Vol. 4, pp. 42-56, doi:10.4236/pos.2013.41006, 2013.
• D.G. Long, E.Zaugg, M. Edwards, and J. Maslanik, "The microASAR Experiment on CASIE-09," Proceedings of the International Geoscience and Remote Sensing Symposium, Honolulu, HI, 25-30 Jul., 2010. (2.7 MB PDF)*
• E.C. Zaugg and D.G. Long, "Generalized Frequency-Domain SAR Processing", IEEE Transactions on Geoscience and Remote Sensing, Vol. 47, No. 11, pp. 3761-3773, 2009. (3.0 MB PDF)*
• E.C. Zaugg and D.G. Long, "Coherent Multi-Frequency-Band Resolution Enhancement for Synthetic Aperture Radar," Proceedings of the International Geoscience and Remote Sensing Symposium, Cape Town, South Africa, 2009. (773 kB PDF*)
• E.C. Zaugg and D.G. Long, "Theory and Application of Motion Compensation for LFM-CW SAR", IEEE Transactions on Geoscience and Remote Sensing, Vol. 46, No. 10, pp. 2990-2998, 2008. (1.1 MB PDF)*
• M.C. Edwards, E.C. Zaugg, D.G. Long, R. Christiansen, and A. Margulis, "A Small, Manned Aircraft as a Testbed for Radar Sensor Development," in "Defense, Security+Sensing," Proceedings of SPIE, Vol. 7308, 7 pp., 12 Apr 2009. (1 MB PDF*)
• M. Edwards, D. Madsen, C. Stringham, A. Margulis, B. Wicks, and D.G. Long, "microASAR: A Small, Robust LFM-CW SAR for Operation on UAVs and Small Aircraft," Proceedings of the International Geoscience and Remote Sensing Symposium, Vol. V, pp. 514-517, Boston, MA, 6-11 Jul., 2008. (418 kB PDF*>)
• E.C. Zaugg and D.G. Long, "Along-Track Resolution Enhancement for Wide-Bandwidth, Low-Frequency SAR by Accounting for the Wavelength Change over the Bandwidth," Proceedings of the International Geoscience and Remote Sensing Symposium, Vol. IV, pp. 1272-1275, Boston, MA, 6-11 Jul., 2008. (773 kB PDF*)
• E.C. Zaugg and D.G. Long, "Improved SAR Motion Compensation without Interpolation," Proceedings of EUSAR 2008: 7th European Conference on Synthetic Aperture Radar, pp. 347-350, Friedrichshafen, Germany, 2-6 June 2008. (660 kB PDF*)
• E.C. Zaugg and D.G. Long, "Full Motion Compensation for LFM-CW Synthetic Aperture Radar," Proceedings of the International Geoscience and Remote Sensing Symposium, pp. 5198-5201, Barcelona, Spain, 23-28 Jul. 2007. (613 KB PDF*)
• E.C. Zaugg, D.L. Hudson, and D.G. Long, "The BYU microSAR: A Small, Student-Built SAR for UAV Operation," Proceedings of the International Geoscience and Remote Sensing Symposium, pp. 411-414, Denver, Colorado, 31 Jul. - 4 Aug. 2006. (3rd place, student paper contest) (839 kB PDF*)
• D. G. Thompson, D. V. Arnold, "Stationary 'Cross-Track' Interferometry for Ocean Wave Measurement", Proceedings of the International Geoscience and Remote Sensing Symposium, pages 2334-2336, Honolulu, Hawaii, 24-28 July 2000.
• R. B. Lundgreen, D. G. Thompson, D. V. Arnold, D. G. Long, G. F. Miner, "Initial Results of a Low-Cost SAR: YINSAR", Proceedings of the International Geoscience and Remote Sensing Symposium, pages 3045-3047, Honolulu, Hawaii, 24-28 July 2000. (286 kB PDF*)
• D. G. Thompson, D. V. Arnold, D. G. Long, "YINSAR: a Compact, Low-Cost Interferometric Synthetic Aperture Radar", Proceedings of the International Geoscience and Remote Sensing Symposium, pages 598-600, Hamburg, Germany, July 1999.
• D. G. Thompson, A. E. Robertson, D. V. Arnold, D. G. Long, "Multi-Baseline Interferometric SAR for Iterative Height Estimation", Proceedings of the International Geoscience and Remote Sensing Symposium, pages 251-253, Hamburg, Germany, July 1999.
• D. G. Thompson, J. S. Bates, D. V. Arnold, D. G. Long, "Extending the Phase Gradient Autofocus Algorithm for Low-Altitude Stripmap Mode SAR", Proceedings of the International Geoscience and Remote Sensing Symposium, pages 564-566, Hamburg, Germany, July 1999.
• D. G. Thompson, A. E. Robertson, D. V. Arnold, D. G. Long, G. F. Miner, "YINSAR: a Compact, Low-Cost Interferometric Synthetic Aperture Radar", Proceedings of the IEEE National Radar Conference, Patent_8581772.pdf Apr 20-22, 1999, Boston, MA, pp 221-226.
• D. G. Thompson, J. S. Bates, D. V. Arnold "Extending the Phase Gradient Autofocus Algorithm for Low-Altitude Stripmap Mode SAR", Proceedings of the IEEE National Radar Conference, Apr 20-22, 1999, Boston, MA, pp 36-40.
• D. G. Thompson, D. V. Arnold, D. G. Long, G. F. Miner, M. A. Jensen, T. W. Karlinsey, A. E. Robertson, J. S. Bates, "YSAR and YINSAR: Compact, Low-Cost Synthetic Aperture Radars" , Proceedings of the European Conference on Synthetic Aperture Radar, pp. 27-30, Friedrichshafen, Germany, 25-27 May, 1998.
• D. G. Thompson, D. V. Arnold, D. G. Long, G. F. Miner, T. W. Karlinsey, A. E. Robertson, "YSAR: A Compact, Low-Cost Synthetic Aperture Radar", in Radar Processing, Technology, and Applications II, William J. Miceli, Editor, Proceedings of SPIE Vol. 3161, pp. 2-8 (1997).
• D. G. Thompson, D. V. Arnold, D. G. Long, G. F. Miner, T. W. Karlinsey, and A. E. Robertson. "YSAR: A Compact, Low-Cost Synthetic Aperture Radar," Proceedings of the International Geoscience and Remote Sensing Symposium, pages 386-388 , Singapore, Aug. 1997.
• D. G. Thompson, D. V. Arnold, D. G. Long, G. F. Miner, and T. W. Karlinsey. "YSAR: A Compact, Low-Cost Synthetic Aperture Radar," Proceedings of the International Geoscience and Remote Sensing Symposium, pages 1892-1894, Lincoln, Nebraska, May 1996.

• D.G. Long and S.J. Preston, "Method apparatus, and system to remotely acquire information from volumes in a snowpack," U.S. Patent 8581772, 2013. (2 MB PDF)

*note: selected PDF files are provided as a convenient public service under fair-use copyright restrictions. Copyright is retained by the original owner.