[Une diversité de radars conçus pour révéler et caractériser les structures cachées des petits corps et planètes du système solaire]
Depuis les premières observations radar de la Lune depuis la Terre en 1946, les radars font de plus en plus fréquemment partie de la charge utile des missions d'exploration du système solaire. Ils sont, en effet, capables de recueillir des informations à la fois sur la structure superficielle d'un corps ou d'une planète à travers une atmosphère optiquement opaque, de sonder le sous-sol d'une planète, ou encore de révéler la structure interne d'un petit corps.
Une revue non exhaustive des radars scientifiques développés pour l'exploration des planètes et autres corps du système solaire est présentée dans cet article. Quelques résultats majeurs sont présentés. L'accent est mis sur la variété des radars qui ont été et sont actuellement conçus en terme de fréquence ou de mode opératoire en fonction des contraintes de la mission et des objectifs visés.
Since the very first observations of the Moon from the Earth with radar in 1946, radars are more and more frequently selected to be part of the payload of exploration missions in the Solar System. They are, in fact, able to collect information on the surface structure of bodies or planets hidden by opaque atmospheres, to probe the planet subsurface or even to reveal the internal structure of a small body comet nucleus.
A brief review of radars designed for the Solar System planets and bodies' exploration is presented in the paper. This review does not aim at being exhaustive but will focus on the major results obtained. The variety of radars that have been or are currently designed in terms of frequency or operational modes will be highlighted.
Mot clés : Radar, Missions spatiales, Propagation des ondes électromagnetiques
Valérie Ciarletti 1
@article{CRPHYS_2016__17_9_966_0, author = {Val\'erie Ciarletti}, title = {A variety of radars designed to explore the hidden structures and properties of the {Solar} {System's} planets and bodies}, journal = {Comptes Rendus. Physique}, pages = {966--975}, publisher = {Elsevier}, volume = {17}, number = {9}, year = {2016}, doi = {10.1016/j.crhy.2016.07.022}, language = {en}, }
TY - JOUR AU - Valérie Ciarletti TI - A variety of radars designed to explore the hidden structures and properties of the Solar System's planets and bodies JO - Comptes Rendus. Physique PY - 2016 SP - 966 EP - 975 VL - 17 IS - 9 PB - Elsevier DO - 10.1016/j.crhy.2016.07.022 LA - en ID - CRPHYS_2016__17_9_966_0 ER -
Valérie Ciarletti. A variety of radars designed to explore the hidden structures and properties of the Solar System's planets and bodies. Comptes Rendus. Physique, Volume 17 (2016) no. 9, pp. 966-975. doi : 10.1016/j.crhy.2016.07.022. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2016.07.022/
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