ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2012, Vol. 9, No. 5, pp. 291-300

Performance of IKFS-2 flight model

F. Zavelevich 1, Yu. Golovin 1, Yu. Matsitsky 1, A. Nikulin 1, D. Kozlov 1, D. Monakhov 1, I. Kozlov 1, I. Bolmosov 1, S. Arkhipov 2, V. Tselikov 2, A. Romanovsky 3
1 Keldysh Research Center, 125438, Moscow, Onejskaya str., 8
2 JSC «Krasnogorsky Zavod», 143400, Moscow region, Krasnogorsk-7, Rechnaya str., 8
3 Research Institute of Informatics and Control Systems (attached to MSTU named after Bauman), 105005, Moscow, 2-nd Baumanskaya str., 5
IKFS-2 ground calibration is related to the characterization of all parameters and characteristics needed to convert the raw interferogram into the input spectral radiance with required accuracy. As a result of thermal vacuum tests, detector/preamp nonlinearity and internal calibration target spectral radiance were measured, after that systematic radiometric error and noise equivalent spectral radiance (NESR) were obtained. IKFS-2 instrument line shape was measured as the spectral response of the instrument to a monochromatic radiation of CO2-laser (10.3 um) and HeNe-laser (5.4 um). In addition, measurements of downwelling spectra of atmosphere were conducted and compared with modeled data, based on radiosonde measurements
Keywords: Fourier-transform spectrometer, radiometric and spectral calibration, instrument line shape, atmosphere sounding
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