NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Suomi-NPP VIIRS Day-Night Band On-Orbit Calibration and PerformanceThe Suomi national polar-orbiting partnership Visible Infrared Imaging Radiometer Suite (VIIRS) instrument has successfully operated since its launch in October 2011. The VIIRS day-night band (DNB) is a panchromatic channel covering wavelengths from 0.5 to 0.9 microns that is capable of observing Earth scenes during both daytime and nighttime at a spatial resolution of 750 m. To cover the large dynamic range, the DNB operates at low-, middle-, and high-gain stages, and it uses an on-board solar diffuser (SD) for its low-gain stage calibration. The SD observations also provide a means to compute the gain ratios of low-to-middle and middle-to-high gain stages. This paper describes the DNB on-orbit calibration methodology used by the VIIRS characterization support team in supporting the NASA Earth science community with consistent VIIRS sensor data records made available by the land science investigator-led processing systems. It provides an assessment and update of the DNB on-orbit performance, including the SD degradation in the DNB spectral range, detector gain and gain ratio trending, and stray-light contamination and its correction. Also presented in this paper are performance validations based on Earth scenes and lunar observations, and comparisons to the calibration methodology used by the operational interface data processing segment.
Document ID
20180002221
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Chen, Hongda (Science Systems and Applications, Inc. Lanham, MD, United States)
Xiong, Xiaoxiong (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Sun, Chengbo (Global Science and Technology, Inc. Greenbelt, MD, United States)
Chen, Xuexia (Science Systems and Applications, Inc. Lanham, MD, United States)
Chiang, Kwofu (Science Systems and Applications, Inc. Lanham, MD, United States)
Date Acquired
April 10, 2018
Publication Date
August 28, 2017
Publication Information
Publication: Journal of Applied Remote Sensing
Volume: 11
Issue: 3
ISSN: 1939-3195
Subject Category
Earth Resources and Remote Sensing
Report/Patent Number
GSFC-E-DAA-TN54794
Funding Number(s)
CONTRACT_GRANT: NNG15HQ01C
Distribution Limits
Public
Copyright
Other