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Publications

Found 373 results
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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.
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., 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.
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.
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.
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.
Chander, G., X. Xiong, T. Choi, and A. Angal, An Assessment of Pseudo-Invariant CEOS Reference Standard Test Sites for Stability Monitoring, 2009.
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.
Chang, T., P. C. Diaz, A. Shrestha, and X. Xiong, "Application of quasi-deep convective clouds method for MODIS and VIIRS TEB calibration assessments", Proc. SPIE - Earth Observing Systems XXV, vol. 11501, pp. 115010K, 2020.
Chang, T., A. Shrestha, P. C. Diaz, Y. Li, N. Chen, A. Wu, and X. Xiong, " MODIS TEB calibration algorithm improvements for future L1B collection", Proc. SPIE - Earth Observing Systems XXV, vol. 11501, pp. 115011H, 2020.
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.
Chang, T., X. Xiong, and A. Angal, "Terra and Aqua MODIS inter-comparison using LEO-GEO double difference method", Proc. SPIE - Sensors, Systems, and Next-Generation Satellites XXII, vol. 10785, pp. 107851G, 2018.
Chang, T., X. Xiong, A. Shrestha, A. Wu, N. Chen, Y. Li, and Q. Mu, "Assessment of Terra MODIS thermal emissive band calibration using cold targets and measurements in lunar roll events", Proc. SPIE - Sensors, Systems, and Next-Generation Satellites XXII, vol. 10785, pp. 107851C, 2018.
Chang, T., A. Shrestha, P. C. Diaz, N. Chen, A. Wu, T. Wilson, Y. Li, and X. Xiong, "MODIS thermal emissive bands calibration improvements for Collection 7", Proc. SPIE 11858, Sensors, Systems, and Next-Generation Satellites XXV, pp. 118580R, 2021.
Chang, T., X. Xiong, A. Angal, and A. Wu, "BRDF characterization and calibration inter-comparison between Terra MODIS, Aqua MODIS, and S-NPP VIIRS", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 100000Z, 2016.
Chang, T., A. Wu, X. Geng, Y. Li, J. Brinkmann, G. Keller, and X. Xiong, "Model development for MODIS thermal band electronic cross-talk ", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 100001Q, 2016.
Chang, T., and X. Xiong, "Assessment of GOES-16/ABI middle wave infrared band using references of Himawari-8/AHI and Aqua/MODIS", Proc. SPIE 11127, Earth Observing Systems XXIV, vol. 11127, pp. 111270T, 2019.
Chang, T., X. Xiong, and A. Shrestha, "Assessment of MODIS TEB calibration performance using deep convective clouds", Proc. SPIE 11127, Earth Observing Systems XXIV, vol. 11127, pp. 111271, 2019.
Chang, T., X. Xiong, G. Keller, and X. Wu, "GEO-LEO reflectance band inter- comparison with BRDF and atmospheric scattering corrections", Proc. SPIE - Earth Observing Systems XXII, vol. 10402, no. 1040223, 2017.
Chang, T., G. Keller, and X. Xiong, "Bridging the thermal band comparison between LEO-LEO sensors and between GEO-GEO sensors", Proc. SPIE - Earth Observing Systems XXII, vol. 10402, no. 104022F, 2017.
Che, N., X. Xiong, B. Guenther, W. Barnes, and V. Salomonson, "Five-years of Terra MODIS on-orbit spatial characterization, Earth Observing Systems X", Proc. SPIE, vol. 5882, no. 58821A, 2005.
Che, N., X. Xiong, and W. Barnes, "On-orbit spectral characterization results for of the Terra MODIS reflective solar bands, Earth Observing Systems VIII", Proc. SPIE, vol. 5151, pp. 367-374, 2003.
Che, N., T. Choi, and X. Xiong, "MODIS Along-scan Direction Line Spread Function (LSF) Modeling and Verification Using the Integration and Alignment Collimator (IAC), Earth Observing Systems XIII", Proc. SPIE, vol. 7081, no. 708109, 2008.
Che, N., K. Chiang, X. Xiong, and A. Wu, "Terra MODIS Thermal Emissive Bands Detector Performance", Eos Trans. AGU, 87(36), Jt. Assem. Suppl., no. Abstract B43A-08, 2006.
Chen, H., X. Xiong, and A. Wu, "Alternative approach to characterize response versus scan-angle (RVS) for MODIS reflective solar bands", Proceedings of SPIE – Sensors, Systems, and Next-Generation Satellites XV, vol. 8176, no. 817612, 2011.
Chen, X., A. Wu, X. Xiong, and N. Chen, "Cross comparison of the Collection 6 and Collection 6.1 Terra and Aqua MODIS Bands 1 and 2 using AVHRR N15 and N19", Proceedings Volume 10423, Sensors, Systems, and Next-Generation Satellites XXI; 104231X, 2017.
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.
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.
Chen, H., K. Twedt, K. Vermeesch, E. Aldoretta, A. Angal, and X. Xiong, "MODIS reflective solar band calibration improvements using pseudo-invariant desert targets", Proc. SPIE - Earth Observing Systems XXVI, vol. 11829, pp. 118290Z, 2021.
Chen, H., X. Xiong, A. Angal, Z. Wang, and A. Wu, "MODIS solar diffuser on-orbit degradation characterization using improved SDSM screen modeling ", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 100000X, 2016.
Chen, H., and X. Xiong, "MODIS solar diffuser stability monitor: function and applications, Earth Observing Systems XIV", Proc. SPIE, vol. 7452, no. 745218, 2009.
Chiang, K., X. Xiong, X. Wang, and B. Guenther, On-Orbit Improvement of MODIS Response Versus Scan Angle (RVS)., 2000.
Chiang, K., and X. Xiong, "Pre-launch characterization of Aqua MODIS scan mirror response versus scan angle for thermal emissive bands, Earth Observing Systems XII", Proc. SPIE, vol. 6677, no. 66771J, 2007.
Chiang, K., X. Xiong, A. Wu, and W. Barnes, "MODIS thermal emissive bands calibration uncertainty analysis, Earth Observing Systems IX", Proc. SPIE, vol. 5542, pp. 437-447, 2004.
Chiang, K., and X. Xiong, "Post-launch Calibration Methodology of MODIS Thermal Emissive Bands", Eos Trans. AGU, 87(36), Jt. Assem. Suppl, no. Abstract B51A-03, 2006.
Chiang, K., A. Wu, X. Xiong, and W. Barnes, On-orbit Radiometric Calibration Uncertainty of the Terra MODIS Thermal Emissive Bands., 2003.
Chiang, K., A. Wu, N. Che, B. Guenther, W. Barnes, and X. Xiong, On-orbit Calibration and Performance of MODIS Thermal Emissive Bands., 2005.
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.
Choi, T., N. Che, and X. Xiong, On-orbit MODIS Modulation Transfer Function Trending Along-Scan from the Spectro-Radiometric Calibration Assembly, 2007.
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.