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MODIS: advanced facility instrument for studies of the Earth as a system

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5 Author(s)
Salomonson, V.V. ; Lab. for Terrestrial Phys., NASA Goddard Space Flight Center, Greenbelt, MD, USA ; Barnes, W. ; Maymon, P.W. ; Montgomery, H.E.
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The moderate resolution imaging spectrometer (MODIS) is discussed as an Earth-viewing sensor that is planned as a facility instrument for the Earth Observing System (Eos) scheduled to begin functioning in the mid-1990s. The MODIS is composed of two mutually supporting sensors that cover a swath width sufficient to provide nearly complete two-day global coverage from a polar-orbiting, sun-synchronous, serviceable platform. High signal-to-noise ratios are to be provided, e.g. 500 to 1 or greater with 10-12-bit quantization over the dynamic ranges of the spectral bands. MODIS' lifetime is expected to be about ten years. One of the MODIS sensors is termed MODIS-N, where N signifies nadir-viewing. The companion to MODIS-N is MODIS-T, where T signifies a tiltable field-of-view. The development of the MODIS facility from conceptual design studies (Phase-A) into detailed design studies (Phase-B) is discussed

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:27 ,  Issue: 2 )