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Found 111 results
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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.
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., 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.
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.
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
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.
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.
Xiong, X., A. Wu, A. Angal, and B. Wenny, "Recent progress on cross-comparison of terra and aqua MODIS calibration using dome C, Sensors, Systems, and Next-Generation Satellites XIII", Proc. SPIE, vol. 7474, no. 747411, 2009.
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.
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.
2008
Xiong, X., A. Wu, and A. Angal, "Assessment of MODIS Scan Mirror Reflectance Changes On-orbit, Earth Observing Systems XIII", Proc. SPIE, vol. 7081, no. 70810B, 2008.
Xiong, X., J. Sun, N. Che, T. Choi, and A. Angal, "Comparison of Terra and Aqua MODIS VIS Bands On-orbit Response", Proc. IEEE International Geoscience and Remote Sensing Symposium, vol. 4, pp. IV-1348-1351, 2008.
Xiong, X., A. Angal, H. Chen, T. Choi, and J. Sun, MODIS Solar Diffuser On-orbit Performance, 2008.
Wu, A., X. Xiong, C. Cao, and A. Angal, "Monitoring MODIS Calibration Stability of Visible and Near-IR bands From Observed Top-of-Atmosphere BRDF-normalized Reflectances Over Libyan Desert and Antarctic Surfaces, Earth Observing Systems XIII", Proc. SPIE, vol. 7081, no. 708113, 2008.
Chander, G., T. Choi, A. Angal, and X. Xiong, Monitoring On-orbit Radiometric Stability of the Terra MODIS and Landsat 7 ETM+ Sensors Using Pseudo-invariant test Sites, 2008.
Angal, A., T. Choi, G. Chander, and X. Xiong, "Monitoring On-orbit Stability of the Terra MODIS and Landsat 7 ETM+ Reflective Solar Bands Using the Railroad Valley Playa, Nevada (RVPN) Test Site", Proc. IEEE International Geoscience and Remote Sensing Symposium, vol. 4, pp. IV-1364-1367, 2008.
Xiong, X., X. Xie, and A. Angal, "On-orbit Noise Characterization for MODIS Reflective Solar Bands", Proc. IEEE International Geoscience and Remote Sensing Symposium, vol. 4, pp. IV-1336-1339, 2008.
Choi, T., A. Angal, G. Chander, and X. Xiong, "Radiometric Cross-calibration of the Terra MODIS and Landsat 7 ETM+ Using an Invariant Desert Site, Earth Observing Systems XIII", Proc. SPIE, vol. 7081, no. 708110, 2008.
2007
Xiong, X., J. Sun, A. Angal, K. Chiang, and W. Barnes, "Applications and results of MODIS lunar observations, Sensors, Systems, and Next Generation Satellites XI", Proc. SPIE, vol. 6744, no. 67441H, 2007.
Xiong, X., X. Xie, A. Angal, J. Choi, J. Sun, and W. Barnes, "Characterization of MODIS solar diffuser on-orbit degradation, Earth Observing Systems XII", Proc. SPIE, vol. 6677, no. 66770O, 2007.
Chander, G., A. Angal, T. Choi, D. Meyer, X. Xiong, and P. M. Teillet, "Cross-calibration of the Terra MODIS, Landsat-7 ETM+ and EO-1 ALI sensors using near simultaneous surface observation over Railroad Valley Playa, Nevada, test site, Earth Observing Systems XII", Proc. SPIE, vol. 6677, no. 66770Y, 2007.
Angal, A., A. Wu, N. Che, and X. Xiong, Monitoring the Terra MODIS Reflective Solar Bands On-orbit Short-Term Stability, 2007.
2006
Xiong, X., X. Xie, and A. Angal, "On-orbit Performance of Terra MODIS Solar Diffuser", Proceedings of CALCON, 2006.