Validation of ATMS Calibration Accuracy Using Suomi NPP Pitch Maneuver Observations

Weng, Fuzhong; Yang, Hu

doi:10.3390/rs8040332

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Validation of ATMS Calibration Accuracy Using Suomi NPP Pitch Maneuver Observations

2016
By Weng, Fuzhong ; Yang, Hu
Source: Remote Sens. 8(4), 1-14

[PDF-1.72 MB]

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Journal Title:

Remote Sensing
Personal Author:

Weng, Fuzhong ; Yang, Hu

Weng, Fuzhong ; Yang, Hu Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; JPSS (Joint Polar Satellite System Program Office) ; STAR (Center for Satellite Applications and Research)

NESDIS (National Environmental Satellite, Data, and Information Service) ; JPSS (Joint Polar Satellite System Program Office) ; STAR (Center for Satellite Applications and Research) Less -
Description:

The Suomi National Polar-orbiting Partnership (SNPP) satellite was launched on 28 October, 2011, and carries the Advanced Technology Microwave Sounder (ATMS) onboard. Currently, ATMS performance in orbit is very stable and the calibration parameters (e.g., noise and accuracy) meet specifications. This study documents an ATMS calibration error budget model and its results for community reference. The calibration accuracy is also verified with the ATMS pitch maneuver observations of cold space. It is shown that the ATMS pitch maneuver cold space observations at center positions are inconsistent with the values predicted by the instrument calibration error budget model. The biases also depend on scan angle. This scan-angle dependence may be caused by the ATMS plane reflector emission. Thus, a physical model is developed to simulate the radiation emitted from the reflector and is recommended as part of ATMS radiance calibration to further improve the sensor data record (SDR) data quality.
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Calibration Radio Meteorology Remote Sensing Research
Source:

Remote Sens. 8(4), 1-14
DOI:

https://doi.org/10.3390/rs8040332
Document Type:

Journal Article
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CC BY
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urn:sha256:bb8f7831000d99d278ae7d1aed716fd51ff9e90ab919e206de056e7aed01a0f3
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Validation of ATMS Calibration Accuracy Using Suomi NPP Pitch Maneuver Observations

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