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Publications

Found 150 results
Author Title Type [ Year(Asc)]
Filters: Author is A. Angal  [Clear All Filters]
2016
Chang, T., X. Xiong, A. Angal, and Q. Mu, "Assessment of MODIS RSB detector uniformity using deep convective clouds", Journal of Geophysical Research: Atmospheres, vol. 121, issue 9, pp. 4783–4796, 2016.
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.
Li, Y., A. Angal, A. Wu, X. Geng, D. Link, and X. Xiong, "Calibration improvements in the detector-to-detector differences for the MODIS ocean color bands", Proc. SPIE 9972, Earth Observing Systems XXI, 99721V, 2016.
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.
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.
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.
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.
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.
Angal, A., X. Xiong, A. Wu, H. Chen, X. Geng, D. Link, Y. Li, A. Wald, and J. Brinkmann, "On-orbit Performance and Calibration Improvements for the Reflective Solar Bands of Terra and Aqua MODIS", Proc. of SPIE Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, vol. 9881, 2016.
Bhatt, R., A. Angal, D. R. Doelling, X. Xiong, A. Wu, C. O. Haney, B. Scarino, and A. Gopalan, "Response versus scan-angle corrections for MODIS reflective solar bands using deep convective clouds", Proc. of SPIE Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, vol. 9881, 2016.
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.
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., 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.
2015
Xiong, X., J. Butler, J. Fulbright, A. Angal, H. Chen, and Z. Wang, "Assessment and Comparison of MODIS and VIIRS SD On-orbit Degradation", Proceedings of CALCON, 2015.
Xiong, X., J. Fulbright, A. Angal, Z. Wang, X. Geng, and J. Butler, "Assessment of MODIS and VIIRS solar diffuser on-orbit degradation ", Proc. SPIE 9607, Earth Observing Systems XX, 96071T, 2015.
Wu, A., X. Chen, A. Angal, Y. Li, and X. Xiong, "Assessment of the collection 6 terra and aqua MODIS bands 1 and 2 calibration performance ", Proc. SPIE 9607, Earth Observing Systems XX, 96072B, 2015.
Xiong, X., A. Angal, J. Fulbright, N. Lei, Q. Mu, Z. Wang, and A. Wu, "Calibration improvements for MODIS and VIIRS SWIR spectral bands ", Proc. SPIE 9607, Earth Observing Systems XX, 96071Z, 2015.
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.
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.
Xiong, X., A. Angal, H. Chen, X. Geng, D. Link, A. Wu, and V. Salomonson, "On-orbit Calibration Methodologies for MODIS Reflective Solar Bands", IGARSS 2015 (Presentation only), 2015.
Angal, A., X. Xiong, J. Sun, and X. Geng, "On-orbit noise characterization of MODIS reflective solar bands", J. Appl. Remote Sens. 0001;9(1):094092, 2015.
2014
Xiong, X., B. N. Wenny, A. Angal, A. Wu, S. Madhavan, D. Link, and V. Salomonson, "15 Years of Terra MODIS Instrument on-Orbit Performance", Proceedings of the AGU, 2014.
Choi, T., X. Xiong, A. Angal, G. Chander, and J. Qu, "Assessment of the spectral stability of Libya 4, Libya 1, and Mauritania 2 sites using Earth Observing One Hyperion", Journal of Applied Remote Sensing, vol. 8, issue 1, 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.
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.
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., 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.
Angal, A., X. Xiong, X. Geng, and J. Sun, "Monitoring the Terra and Aqua MODIS RSB calibration using scattered light from the Nadir-port ", Proc. SPIE 9218, Earth Observing Systems XIX, 92181J, 2014.
Xiong, X., A. Angal, J. Sun, J. Choi, and E. Johnson, "On-orbit performance of MODIS Solar Diffuser Stability Monitor", Journal of Applied Remote Sensing, vol. 8, pp. 083514-1-14, 2014.
Angal, A., A. Wu, X. Xiong, X. Geng, D. Link, and H. Chen, "On-orbit performance of the MODIS SWIR bands", Proc. SPIE 9264, Earth Observing Missions and Sensors: Development, Implementation, and Characterization III, 92641Q, 2014.
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.
Xiong, X., A. Wu, A. Angal, D. R. Doelling, and C. Cao, " Reflective solar calibration reference transfer from Aqua MODIS to S-NPP VIIRS ", Proc. SPIE 9264, Earth Observing Missions and Sensors: Development, Implementation, and Characterization III, (presentation only), 2014.
Lyapustin, A., Y. Wang, X. Xiong, G. Meister, S. Platnick, R. Levy, B. A. Franz, S. Korkin, T. Hilker, J. Tucker, et al., "Scientific impact of MODIS C5 calibration degradation and C6 improvements", Atmospheric Measurement Techniques Discussions, vol. 7, issue 7, pp. pp.7281-7319, 2014.
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.
Sun, J., X. Xiong, A. Angal, H. Chen, A. Wu, and X. Geng, "Time-Dependent Response Versus Scan Angle for MODIS Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 52, issue 6, pp. 3159-3174, 2014.
2013
Helder, D. L., K. Thome, N. Mishra, G. Chander, X. Xiong, A. Angal, and T. Choi, "Absolute Radiometric Calibration of Landsat Using a Pseudo Invariant Calibration Site", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1360-1369, 2013.
Chander, G., N. Mishra, D. L. Helder, D. B. Aaron, A. Angal, T. Choi, X. Xiong, and D. R. Doelling, "Applications of Spectral Band Adjustment Factors (SBAF) for Cross-Calibration", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1267-1281, 2013.
Angal, A., J. Sun, X. Geng, M. Chu, and X. Xiong, "Assessment of the MODIS RSB detector differences using earth-view targets ", Proc. SPIE 8866, Earth Observing Systems XVIII, 88661T, 2013.
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.