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Publications

Found 111 results
Author Title Type [ Year(Asc)]
Filters: Type is Presentation and Author is A. Angal  [Clear All Filters]
2014
Wu, A., A. Angal, and X. Xiong, "Comparison of coincident MODIS and MISR reflectances over the 15-year period of EOS Terra", Proc. SPIE 9218, Earth Observing Systems XIX, 92180W, 2014.
Xiong, X., S. Lachérade, L. Lebègue, B. Fougnie, A. Angal, Z. Wang, and O. Aznay, "Comparison of MODIS and PLEIADES Lunar observations ", Proc. SPIE 9241, Sensors, Systems, and Next-Generation Satellites XVIII, 924111, 2014.
Angal, A., N. Mishra, X. Xiong, and D. L. Helder, "Cross-calibration of Landsat 5 TM and Landsat 8 OLI with Aqua MODIS using PICS ", Proc. SPIE 9218, Earth Observing Systems XIX, 92180K, 2014.
Xiong, X., A. Angal, S. Madhavan, D. Link, X..Geng, B. N. Wenny, A. Wu, H. Chen, and V. Salomonson, "MODIS instrument operation and calibration improvements ", IEEE Transactions on Geoscience and Remote Sensing, pp. 1385 - 1388, 2014.
Angal, A., X. Xiong, X. Geng, and J. Sun, "Monitoring the Terra and Aqua MODIS RSB calibration using scattered light from the Nadir-port ", Proc. SPIE 9218, Earth Observing Systems XIX, 92181J, 2014.
Angal, A., A. Wu, X. Xiong, X. Geng, D. Link, and H. Chen, "On-orbit performance of the MODIS SWIR bands", Proc. SPIE 9264, Earth Observing Missions and Sensors: Development, Implementation, and Characterization III, 92641Q, 2014.
Chen, H., X. Xiong, A. Angal, X. Geng, and A. Wu, "Progress on Alternative Method of the on-orbit RVS Characterization for MODIS Reflective Solar Bands", Proc. SPIE 9218, Earth Observing Systems XIX, 92181K, 2014.
Xiong, X., A. Wu, A. Angal, D. R. Doelling, and C. Cao, " Reflective solar calibration reference transfer from Aqua MODIS to S-NPP VIIRS ", Proc. SPIE 9264, Earth Observing Missions and Sensors: Development, Implementation, and Characterization III, (presentation only), 2014.
Xiong, X., B. N. Wenny, A. Wu, A. Angal, X. Geng, H. Chen, J. Dodd, D. Link, S. Madhavan, N. Chen, et al., "Status of Terra MODIS operation, calibration, and performance ", Proc. SPIE 9218, Earth Observing Systems XIX, 92180O, 2014.
Geng, X., A. Angal, J. Sun, H. Chen, A. Wu, Y. Li, D. Link, and X. Xiong, "Status of time-dependent response versus scan-angle (RVS) for Terra and Aqua MODIS reflective solar bands", Proc. SPIE 9218, Earth Observing Systems XIX, 92181P, 2014.
2013
Angal, A., J. Sun, X. Geng, M. Chu, and X. Xiong, "Assessment of the MODIS RSB detector differences using earth-view targets ", Proc. SPIE 8866, Earth Observing Systems XVIII, 88661T, 2013.
Xiong, X., J. Butler, N. Lei, J. Sun, J. Fulbright, Z. Wang, J. Mcintire, and A. Angal, "Improvements of VIIRS and MODIS solar diffuser and lunar calibration", Proc. SPIE 8866, Earth Observing Systems XVIII, 88661M, 2013.
Xiong, X., Z. Wang, J. Sun, A. Angal, J. Fulbright, and J. Butler, "MODIS and VIIRS lunar observations and applications ", Proc. SPIE 8889, Sensors, Systems, and Next-Generation Satellites XVII, 88890V , 2013.
Xiong, X., J. Sun, H. Chen, Z. Wang, and A. Angal, "MODIS SDSM Sun View Response Simulation and Characterization", SPIE 2013 (Presentation only), 2013.
Chu, M., J. Sun, A. Angal, H. Chen, X. Geng, T. Choi, and X. Xiong, "On-orbit calibration performance of MODIS TDI bands ", Proc. SPIE 8866, Earth Observing Systems XVIII, 886605, 2013.
Choi, T., X. Xiong, A. Angal, and G. Chander, "Spectral stability of the Libya 4 site using EO-1 Hyperion", Proc. SPIE 8724: Ocean Sensing and Monitoring V 872410, 2013.
Xiong, X., B. N. Wenny, A. Angal, J. Sun, V. Salomonson, and W. Barnes, "Status of MODIS Instrument and Radiometric Calibration", IEEE Transactions on Geoscience and Remote Sensing, pp. 4419-4422, 2013.
Xiong, X., B. Wenny, J. Sun, A. Angal, A. Wu, H. Chen, X. Geng, T. Choi, S. Madhavan, D. Link, et al., "Status of MODIS on-orbit calibration and characterization", Proc. SPIE 8889, Sensors, Systems, and Next-Generation Satellites XVII, 88890U , 2013.
2012
Madhavan, S., A. Angal, J. Dodd, J. Sun, and X. Xiong, "Analog and digital saturation in the MODIS reflective solar bands", Proceedings of SPIE- Earth Observing Systems XVII, vol. 8510, issue 85101N, 2012.
Xiong, X., J. Fulbright, A. Angal, J. Sun, and Z. Wang, "Comparison of MODIS and VIIRS Solar Diffuser Stability Monitor Performance", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 852809, 2012.
Sun, J., A. Angal, H. Chen, X. Geng, T. Choi, M. Chu, and X. Xiong, "Long-term Calibration Performance of MODIS Reflective Solar Bands", Proceedings of CALCON, 2012.
Xiong, X., B. Guenther, A. Angal, W. Barnes, V. Salomonson, J. Sun, and B. Wenny, "MODIS radiometric calibration program, methods and results", Proceedings of IGARSS, pp. 6924-6927, 2012.
Sun, J., A. Angal, X. Xiong, H. Chen, X. Geng, A. Wu, T. Choi, and M. Chu, "MODIS RSB calibration improvements in Collection 6", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 85280N, 2012.
Xiong, X., A. Angal, T. Choi, J. Sun, and E. Johnson, "On-orbit performance of MODIS solar diffuser stability monitor", Proceedings of SPIE- Earth Observing Systems XVII, vol. 8510, issue 85100H, 2012.
Sun, J., X. Xiong, A. Angal, H. Chen, X. Geng, and A. Wu, "On-orbit performance of the MODIS reflective solar bands time-dependent response versus scan angle algorithm", Proceedings of SPIE- Earth Observing Systems XVII, vol. 8510, issue 85100J, 2012.
Xiong, X., B. N. Wenny, J. Sun, A. Angal, A. Wu, H. Chen, T. Choi, S. Madhavan, X. Geng, D. Link, et al., "Overview of Aqua MODIS 10-year on-orbit calibration and performance", Proc. SPIE 8533, Sensors, Systems, and Next-Generation Satellites XVI, 853316, 2012.
Angal, A., H. Chen, T. Choi, X. Geng, J. Sun, B. N. Wenny, and X. Xiong, "An overview of MODIS RSB Calibration and the Look-up-table delivery process", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 85280L, 2012.
Chen, H., Z. Wang, J. Sun, A. Angal, and X. Xiong, "Recent progress of MODIS solar diffuser on-orbit degradation characterization", Proceedings of SPIE- Earth Observing Systems XVII, vol. 8510, issue 85100I, 2012.
Xiong, X., B. Wenny, J. Sun, A. Angal, A. Wu, H. Chen, S. Madhavan, X. Geng, J. Choi, V. Salomonson, et al., "Status of MODIS Instrument Operation and Changes in L1B Collection 6", Proceedings of AGU, 2012.
Angal, A., S. A. Kumar, X. Xiong, K. A. S. Kumar, V. K. Dadhwal, and T. Choi, "Using CEOS reference standard targets to assess the on-orbit performance of Resourcesat-2 AWiFS in comparison with Terra MODIS", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 85280K, 2012.
2011
Xiong, X., W. Barnes, and A. Angal, "Aqua MODIS on-orbit calibration and performance (2002- 2011)", (SPIE, 2011 Presentation only), 2011.
Geng, X., A. Angal, J. Sun, A. Wu, T. Choi, and X. Xiong, "Characterization of MODIS mirror side difference in the reflective solar spectral region", Proceedings of SPIE – Earth Observing Systems XVI, vol. 8153, no. 81531O, 2011.
Xiong, X., J. Sun, A. Angal, Y. Xie, T. Choi, and Z. Wang, "Results of MODIS band-to-band registration characterization using on-orbit lunar observation", Proceedings of SPIE – Earth Observing Systems XVI, vol. 8153, no. 81531R, 2011.
Xiong, X., A. Angal, S. Madhavan, T. Choi, B. Wenny, J. Sun, A. Wu, H. Chen, and V. Salomonson, "Status of Aqua MODIS Instrument On-orbit Operation and Calibration", AGU 2011, San Francisco, CA Dec 5-9, 2011.
Xiong, X., B. Wenny, A. Angal, W. Barnes, and V. Salomonson, "Summary of Terra and Aqua MODIS long term performance", IEEE, pp. 4006-4009, 10/2011.
Wu, A., A. Angal, and X. Xiong, "Using MODIS to calibrate NOAA series AVHRR reflective solar channels", Proceedings of SPIE – Earth Observing Systems XVI, vol. 8153, no. 815317, 2011.
Xiong, X., X. Geng, A. Angal, J. Sun, and W. Barnes, "Using the Moon to track MODIS reflective solar bands calibration stability", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XV, vol. 8176, no. 817611, 2011.
2010
Xiong, X., A. Angal, S. Madhavan, T. Choi, J. Dodd, X. Geng, Z. Wang, G. Toller, and W. Barnes, "Aqua MODIS 8-year on-orbit operation and calibration", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XIV, vol. 7826, no. 78261X, 2010.
Xiong, X., H. Chen, Z. Wang, J. Sun, and A. Angal, "Characterization of MODIS Solar Diffuser On-orbit Degradation", Proceedings of CALCON 2010, 2010.
Wenny, B., J. Sun, X. Xiong, A. Wu, H. Chen, A. Angal, T. Choi, N. Che, S. Madhavan, X. Geng, et al., "MODIS Calibration Algorithm Improvements Developed for Collection 6 Level-1B", Proceedings of SPIE – Poster Session, vol. 7807, no. 78071F, 2010.