Results 231 to 240 of about 4,523,901 (275)

Improving Nocturnal Fire Detection With the VIIRS Day–Night Band

IEEE Transactions on Geoscience and Remote Sensing, 2016
Building on existing techniques for satellite remote sensing of fires, this paper takes advantage of the day-night band (DNB) aboard the Visible Infrared Imaging Radiometer Suite (VIIRS) to develop the Firelight Detection Algorithm (FILDA), which characterizes fire pixels based on both visible-light and infrared (IR) signatures at night.
Edward Hyer, Jun Wang, Luke Ellison
exaly   +3 more sources

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VIIRS Day-Night Band (DNB) Calibration Methods for Improved Uniformity

Proceedings of SPIE, 2014
The Suomi-NPP VIIRS Day-Night Band (DNB) offers quantitative measurements of visible and near-infrared light over a dynamic range from full daylight to the dimmest nighttime scenes. This range presents a challenge to radiometric calibration, but the instrument has exceeded all of its absolute radiometric requirements.
Steven Miller
exaly   +3 more sources

Suomi NPP VIIRS Day-Night Band On-Orbit Performance [PDF]

Journal of Geophysical Research D: Atmospheres, 2013
AbstractThe Suomi National Polar‐Orbiting Partnership (NPP) launched on 28 October 2011 hosts the Visible Infrared Imaging Radiometer Suite (VIIRS) sensor. The VIIRS sensor includes a day‐night band (DNB) that covers almost 7 orders of magnitude in its dynamic range from full sunlit scenes to lunar‐illuminated clouds. The DNB is panchromatic and covers
L. B. Liao, Stephanie Weiss, Steve Mills, Bruce Hauss   +3 more
exaly   +2 more sources

VIIRS Day-Night Band Gain and Offset Determination and Performance

Proceedings of SPIE, 2012
On October 28th, 2011, the Visible-Infrared Imaging Radiometer Suite (VIIRS) was launched on-board the Suomi National Polar-orbiting Partnership (NPP) spacecraft. The instrument has 22 spectral bands: 14 reflective solar bands (RSB), 7 thermal emissive bands (TEB), and a Day Night Band (DNB).
D Moyer
exaly   +2 more sources

Suomi-NPP VIIRS day/night band calibration with stars

SPIE Proceedings, 2015
Observations of stars can be used to calibrate the radiometric performance of the Day/Night Band (DNB) of the Suomi-NPP instrument VIIRS. Bright stars are normally visible in the Space View window. In this paper, we describe several potential applications of stellar observations with preliminary results for several.
Jon P. Fulbright, Xiaoxiong Xiong
openaire   +2 more sources

S-NPP VIIRS day-night band calibration and status update

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017
The Visible Infrared Imaging Radiometer Suite (VIIRS) Day-Night Band (DNB) onboard the Suomi-National Polar Orbiting Partnership (S-NPP) satellite measures broadband visible radiances providing imagery of clouds and other Earth features over illumination levels spanning 7 orders of magnitude, ranging from quarter moon to full sunlight (3e-5 to 200 W/m2/
Spencer Farrar, Tim Wilkinson, Frank J. De Luccia   +2 more
openaire   +1 more source

Vicarious Calibration of S-NPP/VIIRS Day-Night Band

Proceedings of SPIE, 2013
The Day Night Band (DNB) of the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (S-NPP) satellite provides imagery of clouds and other Earth features over illumination levels ranging from full sunlight to quarter moon.
Xi Shao, Changyong Cao
exaly   +2 more sources

Improvements in the calibration of the SNPP VIIRS day-night band (Conference Presentation)

Earth Observing Systems XXII, 2017
We present improvements to the on-orbit calibration of the day-night band (DNB) of the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi National Polar-orbiting Partnership (SNPP) satellite. Most important among the improvements is the expansion of the “sweet spot” from 4 o to 7.8o to increase the number of the fully illuminated scans for
Junqiang Sun, Menghua Wang
openaire   +2 more sources

JPSS-3 VIIRS day-night band pre-launch radiometric characterization

Earth Observing Systems XXVI, 2021
The Joint Polar Orbiting Satellite System (JPSS) is a partnership between NASA and NOAA to build new generation polar-orbiting operational environmental satellite system which started with the launch of the Suomi NPP in 2011. JPSS- 3 will be the 4th satellite in JPSS program and is scheduled to launch in 2026.
Thomas A. Schwarting, Daniel Link, Chengbo Sun, Jeffrey McIntire, Xiaoxiong Xiong   +4 more
openaire   +1 more source

Day-night asymmetry in lower band chorus waves

Science China Earth Sciences
Chorus waves play a critical role in the acceleration and loss of energetic electrons in the Earth's inner magnetosphere. Based on the wave normal angle (θ), lower band (LB) chorus waves are commonly classified by the Gendrin angle (θg) into quasi-parallel (θθg) LB chorus waves.
Yan, Y., Yue, C., Li, L., Ma, Q., Omura, Y., Wang, S., Zong, Q., Zhou, X., Yin, Z., Hao, Y., Li, J., Xie, Z.   +11 more
openaire   +2 more sources