2005-Present, Professor, Aerospace Engineering, University of Colorado
2007-2008, Acting Chair, Aerospace Engineering, University of Colorado
2005-2007, Associate Chair, Aerospace Engineering, University of Colorado
1999-2005, Associate Professor, Aerospace Engineering, University of Colorado
1992-1999, Assistant Professor, Aerospace Engineering, University of Colorado
1991-1992, Lecturer, Department of Aeronautics and Astronautics, Stanford University
1990-1992, Member of the Technical Staff and Program Manager, GPS Systems Organization, Stanford Telecommunications, Inc., Santa Clara, CA
Global Positioning System (GPS) technology and applications for real-time satellite orbit and attitude determination, GPS surface reflections, GPS multipath characterization and mitigation, orbital dynamics and spacecraft rendezvous.
Belmonte-Rivas, M., J. Maslanik, J. Sonntag, P. Axelrad, “Sea Ice Roughness from Airborne Lidar Profiles,” IEEE Transactions on Geoscience and Remote Sensing, Volume 44, Issue 11, p. 3032 – 3037, 2006.
Lane, C. and P. Axelrad, “Analysis of Relative Navigation in High Earth Orbits,” Journal of the Astronautical Sciences, Vol. 55, No 1, Jan-Mar 2007, p. 23-52.
Larson, K., A. Bilich, and P. Axelrad, “Improving the precision of high-rate GPS,” Journal of Geophysical Research, 112, B05422, doi:10.1029/2006JB004367, 2007.
Lane, C. and P. Axelrad, “Relative Semimajor Axis Uncertainty in High Earth Orbits,” Journal of Guidance, Control, and Dynamics, Vol. 30, No. 6, p. 1827-1830, 2007.
Weiss, Jan P., P. Axelrad, S. Anderson, “A GNSS Code Multipath Model for Semi-Urban, Aircraft, and Ship Environments,” Navigation: Journal of the Institute of Navigation, Vol. 54, No.4, p. 294-307, 2007.
Larson, K. M., E. E. Small, E. Gutmann, A. Bilich, P. Axelrad, and J. Braun, “Using GPS multipath to measure soil moisture fluctuations: initial results,” GPS Solutions, Vol 12 (3), p. 173-177, doi:10.1007/s10291-007-0076-6, July 2008.
Bilich, A., K. M. Larson and P. Axelrad, “Modeling GPS Phase Multipath with SNR: Case study from Salar de Uyuni, Bolivia,” Journal of Geophysical Research, 113, B04401, doi:10.1029/2007JB005194, 2008.
Jah, M.K., M.E. Lisano, G.H. Born, and P. Axelrad, “Mars Aerobraking Spacecraft State Estimation by Processing Inertial Measurement Unit Data,” Journal of Guidance, Control, and Dynamics, Vol. 31, No. 6, p. 1802-1813, 2008.
Belmonte Rivas, M., J. Maslanik, P. Axelrad, “Bistatic scattering of GPS signals off Arctic Sea Ice,” IEEE Transactions on Geoscience and Remote Sensing, Vol. 48, No. 3, p. 1548-1553, March 2010.
Vinande, E., P. Axelrad, D. Akos, "Mounting Angle Estimation For Personal Navigation Devices," IEEE Transactions on Vehicular Technology, Vol.59, No. 3, p. 1129-1138, March 2010.
Tombasco, J., P. Axelrad, M. Jah, "Analysis of Specialized Coordinate Representation for Dynamic Modeling and Orbit Estimation in the Geosynchronous Regime," Journal of Guidance, Dynamics, and Control, Vol. 33, No. 6, p. 1824-1836, 2010.
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