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IASI meaning in Academic & Science ?

Answer» What is Infrared Atmospheric Sounding Interferometer mean?

The infrared atmospheric sounding interferometer (IASI) is a Fourier transform spectrometer based on the Michelson interferometer, associated with an integrated imaging system (IIS).

As part of the payload of the MetOp series of polar-orbiting meteorological satellites, there are currently two IASI instruments in operation: on MetOp-A (launched 19 October 2006) and on Met-Op B (launched 17 September 2012) with the third due for launch in 2018.

IASI is a nadir-viewing instrument recording infrared emission spectra from 645 to 2760 cm−1 at 0.25 cm−1 resolution (0.5 cm−1 after apodisation). Although primarily intended to provide information in near real-time on atmospheric temperature and water vapour to support weather forecasting, the concentrations of various trace gases can also be retrieved from the spectra.

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Infrared Atmospheric Sounding Interferometer Academic & Science
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