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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2024, Vol. 21, No. 6, pp. 77-93

First results of work and target information quality estimation of KMSS-2 multispectral satellite imaging system on board Meteor-M No. 2-4 satellite

I.V. Polyanskiy 1 , B.S. Zhukov 1 , T.V. Kondratieva 1 
1 Space Research Institute RAS, Moscow, Russia
Accepted: 04.12.2024
DOI: 10.21046/2070-7401-2024-21-6-77-93
In February 2024, flight tests of the KMSS-2 multispectral satellite imaging system of medium spatial resolution were started on board the Meteor-M No. 2-4 satellite. The complex includes two MSU-100TM multispectral imaging devices that take an image of the Earth’s surface at a swath of more than 1000 km with a spatial resolution better than 60 m. The KMSS-2 system on the Meteor-M No. 2-4 satellite, as well as on the previously commissioned satellite, has design features that ensure the receipt of high-quality target information: the imaging scheme uses spatially combined optical axes of spectral channels, linear optical-electronic sensors with an extended dynamic range of recorded brightness and low noise, separate control of the imaging parameters in the spectral channels. The resulting images are synchronized with measurements of the satellite orientation and location to ensure automated georeferencing of video data during ground processing. During the tests, a practical estimation was carried out and numerical values were obtained for a number of characteristics of the quality of target information: the formed surface swath, spatial resolution, the accuracy of interchannel alignment of images obtained in three spectral bands, as well as dynamic range, signal-to-noise ratio and sensitivity unevenness. As for user characteristics of target data, statistical estimations of the accuracy of georeferencing and radiometric quality — the error in determining energy brightness from snow fields in Greenland — were carried out.
Keywords: KMSS-2, remote sensing of the Earth, hydrometeorology, multispectral survey, Meteor-M
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References:

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