Lack of triangularity in SAR interferometric phases

Francesco De Zan; Mariantonietta Zonno; Paco López-Dekker

Lack of triangularity in SAR interferometric phases

Francesco De Zan, Mariantonietta Zonno, Paco López-Dekker

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

1 Citation (Scopus)

Abstract

If three SAR images are available, it is possible to form three interferograms. In some cases the phases of the three averaged interferograms will not agree among each other and indicate a sort of phase excess or deficit (which we call "lack of triangularity"). In this paper we illustrate theoretically which models can explain such phenomenon and show some real-data examples. The observation of lack of triangularity might be useful to derive informations on the target and also as a warning that the scatterer presents a temporal covariance matrix which is not intrinsically real.

Original language	English
Title of host publication	Proceedings of 10th European Conference on Synthetic Aperture Radar, EUSAR 2014
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	854-857
Number of pages	4
Volume	2014-June
ISBN (Electronic)	9783800736072
Publication status	Published - 2014
Externally published	Yes
Event	10th European Conference on Synthetic Aperture Radar - Berlin, Germany Duration: 3 Jun 2014 → 5 Jun 2014 Conference number: 10

Conference

Conference	10th European Conference on Synthetic Aperture Radar
Abbreviated title	EUSAR 2014
Country	Germany
City	Berlin
Period	3/06/14 → 5/06/14

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title = "Lack of triangularity in SAR interferometric phases",

abstract = "If three SAR images are available, it is possible to form three interferograms. In some cases the phases of the three averaged interferograms will not agree among each other and indicate a sort of phase excess or deficit (which we call {"}lack of triangularity{"}). In this paper we illustrate theoretically which models can explain such phenomenon and show some real-data examples. The observation of lack of triangularity might be useful to derive informations on the target and also as a warning that the scatterer presents a temporal covariance matrix which is not intrinsically real.",

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year = "2014",

language = "English",

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booktitle = "Proceedings of 10th European Conference on Synthetic Aperture Radar, EUSAR 2014",

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address = "United States",

note = "10th European Conference on Synthetic Aperture Radar, EUSAR 2014 ; Conference date: 03-06-2014 Through 05-06-2014",

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Lack of triangularity in SAR interferometric phases. / De Zan, Francesco; Zonno, Mariantonietta; López-Dekker, Paco.

Proceedings of 10th European Conference on Synthetic Aperture Radar, EUSAR 2014. Vol. 2014-June Institute of Electrical and Electronics Engineers (IEEE), 2014. p. 854-857 6856930.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - López-Dekker, Paco

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N2 - If three SAR images are available, it is possible to form three interferograms. In some cases the phases of the three averaged interferograms will not agree among each other and indicate a sort of phase excess or deficit (which we call "lack of triangularity"). In this paper we illustrate theoretically which models can explain such phenomenon and show some real-data examples. The observation of lack of triangularity might be useful to derive informations on the target and also as a warning that the scatterer presents a temporal covariance matrix which is not intrinsically real.

AB - If three SAR images are available, it is possible to form three interferograms. In some cases the phases of the three averaged interferograms will not agree among each other and indicate a sort of phase excess or deficit (which we call "lack of triangularity"). In this paper we illustrate theoretically which models can explain such phenomenon and show some real-data examples. The observation of lack of triangularity might be useful to derive informations on the target and also as a warning that the scatterer presents a temporal covariance matrix which is not intrinsically real.

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