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Found 290 results
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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.
Sun, J., S. Madhavan, B. Wenny, and X. Xiong, "Terra MODIS band 27 electronic crosstalk: cause, impact, and mitigation", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XV, vol. 8176, no. 81760Z, 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.
Doelling, D., G. Hong, D. Morstad, R. Bhatt, A. Gopalan, and X. Xiong, "The characterization of deep convective cloud albedo as a calibration target using MODIS reflectances", Proceedings of SPIE – Earth Observing Missions and Sensors: Development, Implementation, and Characterization, vol. 7862, no. 78620I, 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.
Xiong, X., and S. Madhavan, "Characterization of Terra MODIS blackbody uniformity and stability", Proceedings of SPIE – Poster Session, vol. 7807, no. 78071E, 2010.
Barnes, R. A., S. Brown, K. Lykke, B. Guenther, X. Xiong, and J. Butler, "Comparison of two methodologies for calibrating satellite instruments in the visible and near infrared", Proceedings of SPIE – Earth Observing Missions and Sensors: Development, Implementation, and Characterization, vol. 7862, no. 78620C, 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.
Chander, G., A. Sampath, A. Angal, T. Choi, and X. Xiong, "Monitoring the long term stability of the IRS-P6 AWiFS sensor using the Sonoran and RVPN sites", Proceedings of SPIE – Earth Observing Missions and Sensors: Development, Implementation, and Characterization, vol. 7862, no. 78620K, 2010.
Chander, G., A. Angal, X. Xiong, D. L. Helder, N. Mishra, T. Choi, and A. Wu, "Preliminary assessment of several parameters to measure and compare usefulness of the CEOS reference pseudo-invariant calibration sites", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XIV, vol. 7826, no. 78262L, 2010.
Xiong, X., T. Choi, N. Che, Z. Wang, J. Dodd, and Y. Xie, "Results and lessons from a decade of Terra MODIS on-orbit spectral characterization", Proceedings of SPIE – Earth Observing Missions and Sensors: Development, Implementation, and Characterization, vol. 7862, no. 78620M, 2010.
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.
Dodd, J., B. Wenny, K. Chiang, and X. Xiong, "Space environment’s effect of MODIS calibration", Proceedings of SPIE – Post-launch Calibration and Validation I, vol. 7807, no. 78070G, 2010.
Xiong, X., B. Wenny, T. Chang, J. Sun, H. Chen, A. Wu, W. Barnes, and V. Salomonson, "Status of Terra and Aqua MODIS Instruments", IEEE, pp. 2299-2302, 2010.
Chang, T., and X. Xiong, "Study of Instrument Temperature Effect on MODIS Thermal Emissive Band Responses,", Proceedings of SPIE – Post-launch Calibration and Validation II, vol. 7807, no. 78070H, 2010.
Xiong, X., B. Wenny, A. Angal, J. Sun, A. Wu, and W. Barnes, "Terra and Aqua MODIS Instrument Status", AGU, 12/2010.
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.
Xie, Y., A. Wu, and X. Xiong, "Tracking long-term stability of Aqua MODIS and AIRS at different scan angles", Proceedings of SPIE – Poster Session, vol. 7807, no. 780718, 2010.
Wu, A., C.. I-Wen, and X. Xiong, "Tracking long-term stability of the response versus angle for the MODIS thermal emissive bands with observations over clear ocean", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XIV, vol. 7826, no. 78261Z, 2010.
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.
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.
Xiong, X., and H. Chen, "Using Lunar Observations to Assess Terra MODIS Thermal Emissive Bands Calibration", Proceedings of SPIE – Post-launch Calibration and Validation II, vol. 7807, no. 78070I, 2010.
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.
2009
Xie, Y., J. Qu, and X. Xiong, "Asian dust storm detection using MODIS and CALIPSO measurements", 17th International Conference on Geoinformatics, Aug. 12-14, Fairfax, Virginia, 2009.
Chander, G., X. Xiong, A. Angal, and T. Choi, An Assessment of African Test Sites in the Context of a Global Network of Quality-Assured Reference Standards, , 2009.
Chander, G., X. Xiong, T. Choi, and A. Angal, An Assessment of Pseudo-Invariant CEOS Reference Standard Test Sites for Stability Monitoring, , 2009.
Choi, T., X. Xiong, G. Chander, and A. Angal, Assessment of the Short-term Radiometric Stability Between Terra MODIS and Landsat 7 ETM+ Sensors, , 2009.
Xiong, X., R. E. Eplee, Jr., J. Sun, F. S. Patt, A. Angal, and C. McClain, "Characterization of MODIS and SeaWiFS Solar Diffuser On-Orbit Degradation, Earth Observing Systems XIV", Proc. SPIE, vol. 7452, no. 74520Y, 2009.
Wang, Z., and X. Xiong, "Characterization of MODIS SD screen vignetting function using observations from spacecraft yaw maneuvers, Earth Observing Systems XIV", Proc. SPIE, vol. 7452, no. 745217, 2009.
Chander, G., X. Xiong, A. Angal, and T. Choi, "Comparing the on-orbit radiometric stability of the IRS-P6 AWiFS & CBERS-2/2B CCD sensors with the Landsat 7 ETM+ & Terra MODIS sensors, Sensors, Systems, and Next-Generation Satellites XIII", Proc. SPIE, vol. 7474, no. 74740Z, 2009.
Madhavan, S., J. Qu, and X. Xiong, "Comparison Study Between Terra And Aqua MODIS AOT products Over Ocean and an initial evaluation of the radiometric uncertainty on the retrieved AOT", 17th International Conference on Geoinformatics, Aug. 12-14, Fairfax, Virginia, 2009.
Eplee, G., X. Xiong, C. McClain, J. Sun, and G. Meister, The Cross Calibration of SeaWiFS and MODIS Using On-Orbit Observations of the Moon, , 2009.
Eplee, Jr., R. E., X. Xiong, J. Sun, G. Meister, and C. McClain, "The Cross Calibration of SeaWiFS and MODIS Using On-Orbit Observations of the Moon, Earth Observing Systems XIV", Proc. SPIE, vol. 7452, no. 74520X, 2009.
Cao, C., and X. Xiong, Developing AVHRR Lunar Calibration for Climate Change Detection, , 2009.
Chen, H., and X. Xiong, "MODIS solar diffuser stability monitor: function and applications, Earth Observing Systems XIV", Proc. SPIE, vol. 7452, no. 745218, 2009.

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