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Publications

Found 107 results
Author [ Title(Desc)] Type Year
Filters: Type is Presentation and Author is A. Angal  [Clear All Filters]
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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.
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Choi, T., X. Xiong, A. Angal, and G. Chander, "Simulation of the long term radiometric responses of the Terra MODIS and EO-1 ALI using Hyperion spectral responses over Railroad Valley Playa in Nevada (RVPN)", Proceedings of SPIE – Earth Observing Missions and Sensors: Development, Implementation, and Characterization, vol. 7862, no. 78620H, 2010.
Xiong, X., A. Angal, A. Wu, D. Link, X. Geng, W. Barnes, and V. Salomonson, "Sixteen years of Terra MODIS on-orbit operation, calibration, and performance ", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 100000V , 2016.
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., 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. 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, 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., X. Geng, T. Wilson, A. Wu, and X. Xiong, "Status of MODIS Instruments and Calibration Improvements", Proceedings of the AGU, 2016.
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.
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.
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.
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Xiong, X., A. Angal, A. Wu, W. Barnes, and V. Salomonson, " Terra and Aqua MODIS instrument performance", IEEE Transactions on Geoscience and Remote Sensing, pp. 7388 - 7391, 2016.
Xiong, X., B. Wenny, A. Angal, J. Sun, A. Wu, and W. Barnes, "Terra and Aqua MODIS Instrument Status", AGU, 12/2010.
Xiong, X., E. Aldoretta, A. Angal, T. Chang, X. Geng, D. Link, V. Salomonson, K. Twedt, and A. Wu, "Terra MODIS: 20 years of on-orbit calibration and performance", Proc. SPIE 11127, Earth Observing Systems XXIV, vol. 11127, pp. 1112714, 2019.
Sun, J., X. Xiong, N. Che, and A. Angal, "Terra MODIS band 2 electronic crosstalk: cause, impact, and mitigation", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XIV, vol. 7826, no. 78261Y, 2010.
Sun, J., X. Xiong, H. Chen, A. Angal, X. Geng, and A. Wu, "Time-dependent response versus scan angle and its uncertainty for MODIS reflective solar bands", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XIV, vol. 7826, no. 782620, 2010.
Sun, J., X. Xiong, H. Chen, A. Angal, A. Wu, and X. Geng, "Time-dependent response versus scan angle for MODIS reflective solar bands, Earth Observing Systems XIV", Proc. SPIE, vol. 7452, no. 745219, 2009.
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Xiong, X., A. Angal, W. Barnes, H. Chen, V. Chiang, X. Geng, Y. Li, K. Twedt, Z. Wang, T. Wilson, et al., "Updates of MODIS on-orbit calibration uncertainty assessments", Proc. SPIE - Earth Observing Systems XXII, vol. 10402, no. 104020M, 2017.
Chander, G., N. Mishra, D. L. Helder, D. Aaron, T. Choi, A. Angal, and X. Xiong, "Use of EO-1 Hyperion Data to Calculate Spectral Band Adjustment Factors (SBAF) between the L7 ETM+ and Terra MODIS Sensors", IEEE, pp. 1667-1670, 2010.
Angal, A., G. Chander, T. Choi, A. Wu, and X. Xiong, "The use of the Sonoran Desert as a Pseudo-invariant Site for Optical Sensor Cross-Calibration and Long-Term Stability Monitoring", IEEE, pp. 1656-1659, 2010.
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.
Wu, A., A. Angal, X. Xiong, and C. Cao, "Using CEOS reference standard test sites to track the calibration stability of NOAA-19 AVHRR reflective solar channels", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XIV, vol. 7826, no. 782621, 2010.
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.
Angal, A., X. Xiong, G. Chander, T. Choi, and A. Wu, "Using the Pseudo-Invariant CEOS Reference Standard Test Sites for Calibration Stability Monitoring", Proceedings of CALCON 2010, 2010.
Angal, A., T. Choi, G. Chander, A. Wu, and X. Xiong, "Using the Sonoran Desert test site to track the long-term radiometric stability of the Landsat TM/ETM+ and MODIS sensors, Atmospheric and Environmental Remote Sensing Data Processing and Utilization V: Readiness for GEOSS III", Proc. SPIE, vol. 7456, no. 745606, 2009.