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Proceedings Paper

Simultaneous overpass off Nadir (SOON): a method for unified calibration/validation across IEOS and GEOSS system of systems
Author(s): Philip Ardanuy; Bill Bergen; Allen Huang; Gene Kratz; Jeff Puschell; Carl Schueler; Joe Walker
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Paper Abstract

The US operates a diverse, evolving constellation of research and operational environmental satellites, principally in polar and geosynchronous orbits. Our current and enhanced future domestic remote sensing capability is complemented by the significant capabilities of our current and potential future international partners. In this analysis, we define "success" through the data customers' "eyes": participating in the sufficient and continuously improving satisfaction of their mission responsibilities. To successfully fuse together observations from multiple simultaneous platforms and sensors into a common, self-consistent, operational environment requires that there exist a unified calibration and validation approach. Here, we consider develop a concept for an integrating framework for absolute accuracy; long-term stability; self-consistency among sensors, platforms, techniques, and observing systems; and validation and characterization of performance. Across all systems, this is a non-trivial problem. Simultaneous Nadir Overpasses, or SNO's, provide a proven intercomparison technique: simultaneous, collocated, co-angular measurements. Many systems have off-nadir elements, or effects, that must be calibrated. For these systems, the nadir technique constrains the process. We define the term "SOON," for simultaneous overpass off nadir. We present a target architecture and sensitivity analysis for the affordable, sustainable implementation of a global SOON calibration/validation network that can deliver the much-needed comprehensive, common, self-consistent operational picture in near-real time, at an affordable cost.

Paper Details

Date Published: 1 September 2006
PDF: 10 pages
Proc. SPIE 6301, Atmospheric and Environmental Remote Sensing Data Processing and Utilization II: Perspective on Calibration/Validation Initiatives and Strategies, 630101 (1 September 2006); doi: 10.1117/12.682890
Show Author Affiliations
Philip Ardanuy, Raytheon Information Solutions (United States)
Bill Bergen, Raytheon IIS/Civil Systems (United States)
Allen Huang, Univ. of Wisconsin, Madison (United States)
Gene Kratz, Raytheon Information Solutions (United States)
Jeff Puschell, Raytheon Space and Airborne Systems (United States)
Carl Schueler, Raytheon Santa Barbara Remote Sensing (United States)
Joe Walker, Raytheon Santa Barbara Remote Sensing (United States)


Published in SPIE Proceedings Vol. 6301:
Atmospheric and Environmental Remote Sensing Data Processing and Utilization II: Perspective on Calibration/Validation Initiatives and Strategies
Allen H. L. Huang; Hal J. Bloom, Editor(s)

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