Articles | Volume 15
https://doi.org/10.5194/ars-15-231-2017
https://doi.org/10.5194/ars-15-231-2017
21 Sep 2017
 | 21 Sep 2017

Large-baseline InSAR for precise topographic mapping: a framework for TanDEM-X large-baseline data

Muriel Pinheiro, Andreas Reigber, and Alberto Moreira

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Latest update: 24 Apr 2024
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Short summary
This paper proposes a dual-baseline framework for the unwrapping of large-baseline interferometric SAR data. The algorithm aims at the efficient retrieval of absolute phase measurements regardless the very high frequency of the phase variations associated with large-baseline data. Hence, it promotes the recovery of digital elevation models with very high vertical accuracy, claim which is corroborated by the results obtained from two experiments using data acquired with the TanDEM-X sensor.