On-orbit spectral characterization results for Terra MODIS reflective solar bands

Nianzeng Che; Xiaoxiong Xiong; William L. Barnes

doi:10.1117/12.504811

10 November 2003 On-orbit spectral characterization results for of the Terra MODIS reflective solar bands

Nianzeng Che, Xiaoxiong Xiong, William L. Barnes

Proceedings Volume 5151, Earth Observing Systems VIII; (2003) https://doi.org/10.1117/12.504811
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The MODIS Protoflight Model (PFM), launched onboard the NASA s Earth Observing System (EOS) Terra spacecraft, has been in operation for more than three years. In addition to constant radiometric calibration activities, the sensor s on-orbit spectral bandpasses of the reflective solar bands (RSBs) with wavelengths from 0.41 to 2.2 micrometers have been measured (every three months) using the on-board Spectral Radiometric Calibration Assembly (SRCA). The spectral characteristics of the SRCA were calibrated pre-launch using the Spectral Measurement Assembly (SpMA). The MODIS on-orbit spectral characterization using the SRCA has been performing as designed and the key spectral parameters, with few exceptions, are well within the specification limits. This paper provides a brief review of the MODIS prelaunch spectral characterization. It focuses on the Terra MODIS instrument s on-orbit spectral characterization activities, trending results, and comparisons with pre-launch characterizations and the specifications.

Citation Download Citation

Nianzeng Che, Xiaoxiong Xiong, and William L. Barnes "On-orbit spectral characterization results for of the Terra MODIS reflective solar bands", Proc. SPIE 5151, Earth Observing Systems VIII, (10 November 2003); https://doi.org/10.1117/12.504811

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