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In SAR interferometry a new approach to height retrieval has been defined, with the aim to obtain the elevation of selected targets in the scene without performing phase unwrapping procedures in the space domain. Following our preliminary simulations, in the paper the results of a first experimentation of this approach with actual SAR data will be introduced.

Height Retrieval by Using a Pseudo-Differential Approach in SAR Interferometry: Preliminary Results with Actual SAR Data

N Veneziani;F Bovenga
2004

Abstract

In SAR interferometry a new approach to height retrieval has been defined, with the aim to obtain the elevation of selected targets in the scene without performing phase unwrapping procedures in the space domain. Following our preliminary simulations, in the paper the results of a first experimentation of this approach with actual SAR data will be introduced.
2004
Istituto di Studi sui Sistemi Intelligenti per l'Automazione - ISSIA - Sede Bari
Inglese
2004 IEEE International Geoscience and Remote Sensing Symposium Proceedings: Science for society: exploring and managing a changing planet
IEEE Geoscience and Remote Sensing Society (IGARSS) Int. Symp.
481
484
4
0-7803-8742-2
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1369068
IEEE-Institute Of Electrical And Electronics Engineers Inc.
Piscataway
STATI UNITI D'AMERICA
Sì, ma tipo non specificato
20-24 Sept. 2004
Anchorage, AK (USA)
SAR interferometry
height retrieval
multi-frequency analysis
differential analysis
This experimentation shows that it is possible to retrieve absolute phase values (and consequently the height of related targets in SAR interferometry) avoiding to carry out standard algorithms of phase unwrapping in the spatial domain. The improvement concerns a twofold aspect: the extraction of absolute phase values instead of relative increments; the overcoming of incongruences normally present in the field of principal phases, to specific angles of the ground slope with respect to the radar beam propagation or because of the electronic noise, obtained moving the phase analysis in the frequency domain. The success of this experiment in part depends from the exploitation of an airborne SAR interferometer, which allows to ignore atmospheric effects and time decorrelation effects, such as from the availability of a transmitted bandwidth of 400 MHz.
3
none
Veneziani, N; Giacovazzo, Vm; Bovenga, F
273
info:eu-repo/semantics/conferenceObject
04 Contributo in convegno::04.01 Contributo in Atti di convegno
04.01 Contributo in Atti di convegno
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/66756
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