Tag: hu yang

“Unseen Heroes” Awards for the S-NPP CDP Reset Recovery Team

December 19, 2022

On December 6, the NOAA Joint Polar Satellite System (JPSS) Program Office announced that the “Unseen Heroes” award would go to the Central Data Processor (CDP) Reset Recovery Team. It was given “in recognition of efforts to restore the Suomi-National Polar-Orbiting Partnership (S-NPP) satellite instruments after a central data processor reset.” This was a major effort in collaboration between the JPSS SDR teams and OSPO to recover the SNPP satellite after the instrument entered “Sun-pointing mode,” leading all of the onboard JPSS instruments to go offline and require restarting and revalidation. The CISESS and Consortium Scientist awardees were:

Figure: A lunar intrusion (LI) case occurring on May 31, 2020. Plotted are the original space view counts (black dots) and their standard deviation (blue dots) for NOAA-20 ATMS Channel 1 and 16 during the LI event.

Advanced Technology Microwave Sounder Radiance Data Products Calibration and Evaluation

November 22, 2021

ESSIC/CISESS Scientist Hu “Tiger” Yang has a new article on the Advanced Technology Microwave Sounder (ATMS) in press at IEEE Transactions on Geoscience and Remote Sensing. The Advanced Technology Microwave Sounder (ATMS) is a passive microwave radiometer for the current generation of polar-orbiting meteorological satellites operated by NOAA. The first two ATMS instruments are onboard the Suomi National Polar-orbiting Partnership (S-NPP) and NOAA-20 satellites. The article explains several critical changes in the ATMS operational calibration algorithm since March 2017. Details of the radiance-based ATMS on-orbit calibration are documented and results of pre-launch calibration error budget analysis and post-launch calibration accuracy evaluation are also presented.

Figure. Comparing different algorithms for estimating NEDT against TVAC measurement. The new algorithm out-performs traditional algorithms of EUMETSAT, UK MetOffice and NOAA. While the 183 GHz is prone to 1/f noise, the new algorithm produces an accurate estimate of NEDT and is superior to traditional algorithms.

A New Algorithm to Estimate Noise Equivalent Delta Temperature

August 24, 2021

ESSIC/CISESS Scientists John Xun Yang and Hu Yang have a new article in press at IEEE Transactions on Geoscience and Remote Sensing titled “A New Algorithm for Determining the Noise Equivalent Delta Temperature of In-Orbit Microwave Radiometers”.

Yang Study Explores Using Observations of the Moon As Calibration Reference

August 19, 2020

ESSIC/CISESS Scientist Hu “Tiger” Yang recently published an article in a special issue of the journal Remote Sensing titled “A Study of Lunar Microwave Radiation Based on Satellite Observations”. The paper is also co-authored by Martin Burgdorf from the University of Hamburg in Germany.

Tag: hu yang

“Unseen Heroes” Awards for the S-NPP CDP Reset Recovery Team

Advanced Technology Microwave Sounder Radiance Data Products Calibration and Evaluation

A New Algorithm to Estimate Noise Equivalent Delta Temperature

Yang Study Explores Using Observations of the Moon As Calibration Reference

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