Poggiali, Valerio and Mastrogiuseppe, Marco and Hayes, Alexander Gerard and Seu, Roberto and Mullen, Joseph Peter and Birch, Samuel Patrick Dennis and Raguso, Maria Carmela (2019) High-Resolution Topography of Titan Adapting the Delay/Doppler Algorithm to the Cassini RADAR Altimeter Data. IEEE Transactions on Geoscience and Remote Sensing, 57 (9). pp. 7262-7268. ISSN 0196-2892. doi:10.1109/tgrs.2019.2912575. https://resolver.caltech.edu/CaltechAUTHORS:20190926-103805643
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Abstract
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 how the improved topography presented herein can advance our understanding of Titan's surface characteristics.
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| Additional Information: | © 2019 IEEE. Manuscript received November 19, 2018; revised February 26, 2019; accepted April 15, 2019. Date of publication May 14, 2019; date of current version August 27, 2019. The works of V. Poggiali and A. G. Hayes were supported in part by the NASA PDART Program under Grant 80NSSC18K0513 and in part by the NASA CDAP Program under Grant NNX15AH10G. The work of S. P. D. Birch was supported by the NASA NESSF Program under Grant NNX15AQ87H. The work of R. Seu was supported by ASI under Grant 2017-10-H.0. | ||||||||||
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| Subject Keywords: | Cassini, delay/Doppler algorithm (DDA), planetary science, radar, radar altimetry, radar signal processing, spaceborne radar, Titan | ||||||||||
| Issue or Number: | 9 | ||||||||||
| DOI: | 10.1109/tgrs.2019.2912575 | ||||||||||
| Record Number: | CaltechAUTHORS:20190926-103805643 | ||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190926-103805643 | ||||||||||
| Official Citation: | V. Poggiali et al., "High-Resolution Topography of Titan Adapting the Delay/Doppler Algorithm to the Cassini RADAR Altimeter Data," in IEEE Transactions on Geoscience and Remote Sensing, vol. 57, no. 9, pp. 7262-7268, Sept. 2019. doi: 10.1109/TGRS.2019.2912575 | ||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||
| ID Code: | 98874 | ||||||||||
| Collection: | CaltechAUTHORS | ||||||||||
| Deposited By: | Tony Diaz | ||||||||||
| Deposited On: | 26 Sep 2019 18:27 | ||||||||||
| Last Modified: | 16 Nov 2021 17:42 |
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