On-orbit characterization of the VIIRS solar diffuser and attenuation screens for NOAA-21 using yaw measurements

Junqiang Sun; Xiaoxiong Xiong; Ning Lei; Kevin Twedt; Sherry Li

doi:10.1117/12.2676866

6 October 2023 On-orbit characterization of the VIIRS solar diffuser and attenuation screens for NOAA-21 using yaw measurements

Junqiang Sun, Xiaoxiong Xiong, Ning Lei, Kevin Twedt, Sherry Li

Author Affiliations +

Proceedings Volume 12685, Earth Observing Systems XXVIII; 1268510 (2023) https://doi.org/10.1117/12.2676866
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

The NOAA-21 VIIRS yaw maneuver operation was carried out in March 2023 over 15 scheduled orbits to characterize the three required input functions for the standard on-orbit RSB calibration pipeline. The characterization functions of the product of the bidirectional reflectance factors (BRFs) of the solar diffuser (SD) with the vignetting function (VF) of the SD screen (SDS) are derived for the two required outgoing directions from the SD to the RSBs and from the SD to the SDSM. The VFs for the attenuation screen placed in front of the Sun-view port are also derived with the yaw measurements.

Conference Presentation

Citation Download Citation

Junqiang Sun, Xiaoxiong Xiong, Ning Lei, Kevin Twedt, and Sherry Li "On-orbit characterization of the VIIRS solar diffuser and attenuation screens for NOAA-21 using yaw measurements", Proc. SPIE 12685, Earth Observing Systems XXVIII, 1268510 (6 October 2023); https://doi.org/10.1117/12.2676866

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