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Found 150 results
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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.
Mu, Q., A. Angal, K. Twedt, A. Wu, and X. Xiong, "MODIS detector differences using deep convective clouds and desert targets", Proc. of SPIE - Sensors, Systems, and Next-Generation Satellites XXIV, vol. 11530, pp. 115301A, 2020.
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.
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., A. Angal, T. Chang, K. Chiang, N. Lei, Y. Li, J. Sun, K. Twedt, and A. Wu, "MODIS and VIIRS Calibration and Characterization in Support of Producing Long-Term High-Quality Data Products", Remote Sensing, vol. 12, issue 19, pp. 3167, 2020.
Xiong, X., M. D. King, V. Salomonson, W. Barnes, B. N. Wenny, A. Angal, A. Wu, S. Madhavan, and D. Link, "Moderate Resolution Imaging Spectroradiometer on Terra and Aqua Missions", John Wiley & Sons, Ltd, vol. 9781118945179, pp. 53-89, 2015.
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Wilson, T., A. Angal, A. Shrestha, and X. Xiong, "Lunar calibration improvements for the short-wave infrared bands in Aqua and Terra MODIS", Proceedings Volume 10423, Sensors, Systems, and Next-Generation Satellites XXI; 1042313, 2017.
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.
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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., A. Angal, Y. Li, and K. Twedt, "Improvements of on-orbit characterization of Terra MODIS short-wave infrared spectral bands out-of-band responses", Journal of Applied Remote Sensing, vol. 14, issue 4, pp. 047503, 2020.
Geng, X., A. Angal, Y. Li, K. Twedt, and X. Xiong, "Improvements in the on-orbit response versus scan-angle characterization for the MODIS ocean color bands", Proc. SPIE 11151, Sensors, Systems, andNext-Generation Satellites XXIII, no. 115124, 2019.
Angal, A., X. Xiong, A. Wu, X. Geng, and H. Chen, "Improvements in the On-Orbit Response Versus Scan Angle Characterization of the Aqua MODIS Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 56, issue 3, pp. 1728-1738, 2018.
Li, Y., A. Angal, N. Chen, X. Geng, D. Link, Z. Wang, A. Wu, and X. Xiong, "Improvement in the characterization of MODIS subframe difference", Proc. SPIE 9972, Earth Observing Systems XXI, 99720W, 2016.
Angal, A., X. Xiong, T. Choi, G. Chander, N. Mishra, and D. L. Helder, "Impact of Terra MODIS Collection 6 on long-term trending comparisons with Landsat 7 ETM+ reflective solar bands", Remote Sensing Letters, vol. 4, issue 9, pp. 873-881, 2013.
Wald, A., R. Levy, A. Angal, X. Geng, X. Xiong, and K. Hoffman, "Impact of MODIS SWIR band calibration improvements on Level-3 atmospheric products", Proc. SPIE 9827, Ocean Sensing and Monitoring VIII, 2016.
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Xiong, X., A. Angal, J. Butler, C. Cao, D. R. Doelling, A. Wu, and X. Wu, "Global Space-based Inter-Calibration System Reflective Solar Calibration Reference: From Aqua MODIS to S-NPP VIIRS", Proc. of SPIE Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, vol. 9881, 2016.
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Mu, Q., A. Angal, X. Geng, A. Wu, and X. Xiong, "Evaluation of the on-orbit response versus scan-angle (RVS) performance for the MODIS reflective solar bands using multiple ground targets", Proc. SPIE - Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, vol. 10644, pp. 106441X, 2018.
Shrestha, A., A. Angal, and X..Xiong, "Evaluation of MODIS and Sentinel-3 SLSTR thermal emissive bands calibration consistency using Dome C", Proc. SPIE - Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, vol. 10644, pp. 106441U, 2018.
Wu, A., X. Xiong, A. Angal, and W. Barnes, "Evaluation of Detector-to-Detector and Mirror Side Differences for Terra MODIS Reflective Solar Bands Using Simultaneous MISR Observations", Int. J. Remote Sens., vol. 32, issue 2, pp. 299-312, 2011.
Raut, B., M. Kaewmanee, A. Angal, X. Xiong, and D. Helder, "Empirical Absolute Calibration Model for Multiple Pseudo-Invariant Calibration Sites", Remote Sensing, vol. 11, issue 9, pp. 1105, 2019.
Twedt, K., A. Angal, and X. Xiong, "Effects of out-of-band and time-varying relative spectral response on the calibration of MODIS reflective solar bands", Journal of Applied Remote Sensing, issue 14 (2), pp. 024523, 2020.
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Wu, A., X. Xiong, and A. Angal, "Derive a MODIS-Based Calibration for the AVHRR Reflective Solar Channels of the NOAA KLM Operational Satellites", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1405-1413, 2013.
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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., J. Brinkmann, N. Mishra, D. Link, X. Xiong, and D. L. Helder, "Cross-calibration of the reflective solar bands of Terra MODIS and Landsat 7 Enhanced Thematic Mapper plus over PICS using different approaches ", Proc. SPIE 9639, Sensors, Systems, and Next-Generation Satellites XIX, 963911, 2015.
Angal, A., J. Brinkmann, S. A. Kumar, and X. Xiong, "Cross-calibration of the Oceansat-2 Ocean Colour Monitor (OCM) with Terra and Aqua MODIS", Proc. of SPIE Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, vol. 9881, 2016.
Angal, A., X. Xiong, K. Thome, and B. Wenny, "Cross-Calibration of Terra and Aqua MODIS Using RadCalNet", IEEE Geoscience and Remote Sensing Letters, vol. 18, issue 2, pp. 188-192, 2021.
Angal, A., X. Xiong, and A. Shrestha, "Cross-Calibration of MODIS Reflective Solar Bands With Sentinel 2A/2B MSI Instruments", IEEE Transactions on Geoscience and Remote Sensing, vol. 58, issue 7, pp. 5000-5007, 2020.
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., 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.
Twedt, K. A., A. Angal, H. Chen, and X. Xiong, "Comparison of MODIS solar diffuser stability monitor calibration results for different operational configurations", Proc. SPIE 11127, Earth Observing Systems XXIV, vol. 11127, pp. 1112728, 2019.
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.
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.
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.
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.
Bhatt, R., D. R. Doelling, A. Angal, X. Xiong, B. Scarino, A. Gopalan, C. O. Haney, and A. Wu, "Characterizing response versus scan- angle for MODIS reflective solar bands using deep convective clouds", Journal of Applied Remote Sensing, vol. 11 (1), 016014, 2017.
Angal, A., G. Chander, X. Xiong, T. Choi, and A. Wu, "Characterization of the Sonoran desert as a radiometric calibration target for Earth observing sensors", J. Appl. Remote Sens, vol. 5, issue 1, pp. 059502-6, 07/2011.
Wu, A., X. Xiong, D. R. Doelling, D. Morstad, A. Angal, and R. Bhatt, "Characterization of Terra and Aqua MODIS VIS, NIR, and SWIR Spectral Bands’ Calibration Stability", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 7, pp. 4330-4338, 2013.
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.
Xiong, X., H. Chen, Z. Wang, J. Sun, and A. Angal, "Characterization of MODIS Solar Diffuser On-orbit Degradation", Proceedings of CALCON 2010, 2010.
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.