Sciences and Exploration Directorate

Kevin A Twedt

(Senior Research Scientist)

Kevin A Twedt's Contact Card & Information.
Email: kevin.a.twedt@nasa.gov
Org Code: 618
Address:
NASA/GSFC
Mail Code 618
Greenbelt, MD 20771
Employer: SCIENCE SYSTEMS AND APPLICATIONS INC

Publications


Refereed

2022. "On-Orbit Calibration and Performance of NOAA-20 VIIRS Reflective Solar Bands." IEEE Transactions on Geoscience and Remote Sensing 60 1-13 [10.1109/tgrs.2021.3108970] [Journal Article/Letter]

2022. "Nonlinear Detector Response of Aqua MODIS Land Imaging Bands." IEEE Transactions on Geoscience and Remote Sensing 60 1-10 [10.1109/tgrs.2021.3075384] [Journal Article/Letter]

2020. "Improvements of on-orbit characterization of Terra MODIS short-wave infrared spectral bands out-of-band responses." Journal of Applied Remote Sensing 14 (04): [10.1117/1.jrs.14.047503] [Journal Article/Letter]

2020. "Performance of NOAA-20 VIIRS Solar Diffuser and Solar Diffuser Stability Monitor." IEEE Transactions on Geoscience and Remote Sensing 59 (9): 7180-7188 [10.1109/tgrs.2020.3032068] [Journal Article/Letter]

2020. "SNPP VIIRS RSB on-orbit radiometric calibration algorithms Version 2.0 and the performances, part 2: the performances." Journal of Applied Remote Sensing 14 (04): [10.1117/1.jrs.14.047502] [Journal Article/Letter]

2020. "SNPP VIIRS RSB on-orbit radiometric calibration algorithms Version 2.0 and the performances, part 1: the algorithms." Journal of Applied Remote Sensing 14 (04): [10.1117/1.jrs.14.047501] [Journal Article/Letter]

2020. "MODIS and VIIRS Calibration and Characterization in Support of Producing Long-Term High-Quality Data Products." Remote Sensing 12 (19): 3167 [10.3390/rs12193167] [Journal Article/Letter]

2020. "Terra MODIS: 20 years of on-orbit calibration and performance." Journal of Applied Remote Sensing 14 (03): 1 [10.1117/1.jrs.14.037501] [Journal Article/Letter]

2020. "On-Orbit Calibration of Terra MODIS VIS Bands Using Polarization-Corrected Desert Observations." IEEE Transactions on Geoscience and Remote Sensing 58 (8): 5428-5439 [10.1109/tgrs.2020.2966000] [Journal Article/Letter]

2020. "Effects of out-of-band and time-varying relative spectral response on the calibration of MODIS reflective solar bands." Journal of Applied Remote Sensing 14 (02): 1 [10.1117/1.jrs.14.024523] [Journal Article/Letter]

2019. "MODIS Reflective Solar Bands On-Orbit Calibration and Performance." IEEE Transactions on Geoscience and Remote Sensing 57 (9): 6355 - 6371 [10.1109/TGRS.2019.2905792] [Journal Article/Letter]

2019. "Stray-light correction and prediction for Suomi National Polar-orbiting Partnership visible infrared imaging radiometer suite day-night band." Journal of Applied Remote Sensing 13 (02): 1 [10.1117/1.jrs.13.024521] [Journal Article/Letter]

2018. "Updates of Moderate Resolution Imaging Spectroradiometer on-orbit calibration uncertainty assessments." Journal of Applied Remote Sensing 12 (03): 1 [10.1117/1.jrs.12.034001] [Journal Article/Letter]

2017. "On-Orbit Characterization of the MODIS SDSM Screen for Solar Diffuser Degradation Estimation." IEEE Transactions on Geoscience and Remote Sensing 55 (11): 6456-6467 [10.1109/tgrs.2017.2728520] [Journal Article/Letter]