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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, 2018, Vol. 15, No. 6, pp. 188-200

Remote television imaging from the landing platform of the ExoMars-2020 spacecraft

N.F. Abramov 1 , S.V. Voronkov 1 , A.V. Nikitin 1 , I.V. Polyanskiy 1 , A.A. Forsh 1 
1 Space Research Institute RAS, Moscow, Russia
Accepted: 23.11.2018
DOI: 10.21046/2070-7401-2018-15-6-188-200
The paper describes the television system of the landing platform (TSPP-EM), designed as part of the complex of scientific instruments of the ExoMars-2020 spacecraft. Design features of TSPP-EM as well as imaging stages are considered. Among the construction features it is important to note that the optical axes of all four cameras (CAM-O/EM) are spaced by 90° in the azimuthal plane. This makes it possible to completely overview the horizon line due to the overlapping fields of view of the cameras. The cameras are placed on the edges of the landing platform in close proximity to the outer boundary on special brackets. The data collection unit (BSD/EM) provides imaging in several modes, as well as collection, storage and subsequent transfer of the received data to the spacecraft housekeeping systems for sending to the Earth. The results of testing of four surveillance cameras KAM-O from the housekeeping television system (STS-L) of the Luna-Glob project in order to obtain a panoramic image are demonstrated. The comparative characteristics of television systems installed on Mars Rovers Sojourner, Spirit, Opportunity and Curiosity, as well as the InSight landing platform are given. A distinctive feature of TSPP-EM is the ability to obtain a circular panorama in a video and photo mode during the descent, landing, as well as stay on the surface of Mars.
Keywords: ExoMars-2020 spacecraft, TSPP-EM, Mars, TV imaging, panoramic imaging, landing platform, scientific instrumentation
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