Articles | Volume 12, issue 9
The Cryosphere, 12, 2969–2979, 2018
https://doi.org/10.5194/tc-12-2969-2018
The Cryosphere, 12, 2969–2979, 2018
https://doi.org/10.5194/tc-12-2969-2018
Research article
19 Sep 2018
Research article | 19 Sep 2018

Coherent large beamwidth processing of radio-echo sounding data

Anton Heister and Rolf Scheiber

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Latest update: 08 Aug 2022
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Short summary
We provide a method based on Fourier analysis of coherent radio-echo sounding data for analyzing angular back-scattering characteristics of the ice sheet and bed. The characteristics can be used for the bed roughness estimation and detection of subglacial water. The method also offers improved estimation of the internal layers' tilt. The research is motivated by a need for a tool for training dictionaries for model-based tomographic focusing of multichannel coherent radio-echo sounders.