High-Resolution Topography of Titan adapting the Delay/Doppler Algorithm to the Cassini RADAR Altimeter Data

Valerio Poggiali,Marco Mastrogiuseppe,Alexander Gerard Hayes,Roberto Seu,Joseph Peter Mullen,Samuel Patrick Dennis Birch,Maria Carmela Raguso

IEEE Transactions on Geoscience and Remote Sensing（2019）

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摘要

The Cassini RADAR altimeter has provided broad-scale surface topography data for Saturn's largest moon Titan. Herein, we adapt the delay/Doppler algorithm to take into account Cassini geometries and antenna mispointing usually occurring during hyperbolic Titan flybys. The proposed algorithm allows up to tenfold improvement in the along-track resolution. Preliminary results are provided that show h...

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关键词

Doppler effect,Saturn,Spaceborne radar,Satellites,Radar tracking,Space vehicles

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