Sorry, you need to enable JavaScript to visit this website.

MCST Banner Image

Publications

Found 107 results
Author [ Title(Desc)] Type Year
Filters: Type is Presentation and Author is A. Angal  [Clear All Filters]
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 
I
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.
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.
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.
L
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.
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.
M
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.
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.
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.
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.
Xiong, X., B. Guenther, A. Angal, W. Barnes, V. Salomonson, J. Sun, and B. Wenny, "MODIS radiometric calibration program, methods and results", Proceedings of IGARSS, pp. 6924-6927, 2012.
Sun, J., X. Xiong, A. Angal, and T. Wilson, "MODIS reflective solar bands lunar calibration update and improvements", Proc. of SPIE - Sensors, Systems, and Next-Generation Satellites XXIV, vol. 11530, pp. 115301C, 2020.
Aldoretta, E., A. Angal, K. Twedt, H. Chen, Y. Li, D. Link, Q. Mu, K. Vermeesch, and X. Xiong, " The MODIS RSB calibration and look-up table delivery process for collection 6 and 6.1", Proc. SPIE - Earth Observing Systems XXV, vol. 11501, pp. 115011Q, 2020.
Sun, J., A. Angal, X. Xiong, H. Chen, X. Geng, A. Wu, T. Choi, and M. Chu, "MODIS RSB calibration improvements in Collection 6", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 85280N, 2012.
Xiong, X., J. Sun, H. Chen, Z. Wang, and A. Angal, "MODIS SDSM Sun View Response Simulation and Characterization", SPIE 2013 (Presentation only), 2013.
Twedt, K. A., A. Angal, X. Xiong, X. Geng, and H. Chen, "MODIS solar diffuser degradation at short-wave infrared band wavelengths", Proc. SPIE Earth Observing Systems XXII, vol. 10402, no. 104022K, 2017.
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.
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.
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.
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.
Angal, A., A. Wu, N. Che, and X. Xiong, Monitoring the Terra MODIS Reflective Solar Bands On-orbit Short-Term Stability, 2007.
O
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.
Chu, M., J. Sun, A. Angal, H. Chen, X. Geng, T. Choi, and X. Xiong, "On-orbit calibration performance of MODIS TDI bands ", Proc. SPIE 8866, Earth Observing Systems XVIII, 886605, 2013.
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.
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.
Xiong, X., A. Angal, T. Choi, J. Sun, and E. Johnson, "On-orbit performance of MODIS solar diffuser stability monitor", Proceedings of SPIE- Earth Observing Systems XVII, vol. 8510, issue 85100H, 2012.
Xiong, X., X. Xie, and A. Angal, "On-orbit Performance of Terra MODIS Solar Diffuser", Proceedings of CALCON, 2006.
Sun, J., X. Xiong, A. Angal, H. Chen, X. Geng, and A. Wu, "On-orbit performance of the MODIS reflective solar bands time-dependent response versus scan angle algorithm", Proceedings of SPIE- Earth Observing Systems XVII, vol. 8510, issue 85100J, 2012.
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.
Xiong, X., B. N. Wenny, J. Sun, A. Angal, A. Wu, H. Chen, T. Choi, S. Madhavan, X. Geng, D. Link, et al., "Overview of Aqua MODIS 10-year on-orbit calibration and performance", Proc. SPIE 8533, Sensors, Systems, and Next-Generation Satellites XVI, 853316, 2012.
Angal, A., H. Chen, T. Choi, X. Geng, J. Sun, B. N. Wenny, and X. Xiong, "An overview of MODIS RSB Calibration and the Look-up-table delivery process", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 85280L, 2012.
R
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.
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.
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.
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.
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.