On the Dependence of Delta-k Efficiency on Multilooking

De Zan, Francesco and Prats, Pau and Rodriguez-Cassola, Marc (2015) On the Dependence of Delta-k Efficiency on Multilooking. IEEE Geoscience and Remote Sensing Letters, 12 (8), pp. 1745-1749. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/LGRS.2015.2424272. ISSN 1545-598X.

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Official URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7102710

Abstract

This letter discusses some aspects of the implementation of Delta-k methods for shift estimation with synthetic aperture radar images. In particular, it shows that a common Delta-k algorithm, which postpones the multilooking to the differential interferogram and is therefore robust to the presence of interferometric fringes in the averaging window, does not reach the maximum possible performance and should be better considered as a variant of incoherent cross-correlation. A small adaptation, retaining some multilooking at interferogram level, can significantly improve the efficiency.

Item URL in elib:

https://elib.dlr.de/96211/

Document Type:

Article

Additional Information:

(c) 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

Title:

On the Dependence of Delta-k Efficiency on Multilooking

Authors:

Authors	Institution or Email of Authors	Author's ORCID iD
De Zan, Francesco	UNSPECIFIED	UNSPECIFIED
Prats, Pau	UNSPECIFIED	https://orcid.org/0000-0002-7583-2309
Rodriguez-Cassola, Marc	UNSPECIFIED	UNSPECIFIED

Date:

May 2015

Journal or Publication Title:

IEEE Geoscience and Remote Sensing Letters

Refereed publication:

Yes

Open Access:

Yes

Gold Open Access:

In SCOPUS:

Yes

In ISI Web of Science:

Yes

Volume:

DOI:

10.1109/LGRS.2015.2424272

Page Range:

pp. 1745-1749

Editors:

Editors	Email	Editor's ORCID iD
Frery, Alejandro C.	Ufal - Universidade Federal de Alagoas, Maceió, AL - Brazil	UNSPECIFIED

Publisher:

IEEE - Institute of Electrical and Electronics Engineers

ISSN:

1545-598X

Status:

Published

Keywords:

Delay estimation, Delta-k, synthetic aperture radar, interferometry

HGF - Research field:

Aeronautics, Space and Transport

HGF - Program:

Space

HGF - Program Themes:

Earth Observation

DLR - Research area:

Raumfahrt

DLR - Program:

R EO - Earth Observation

DLR - Research theme (Project):

R - Vorhaben hochauflösende Fernerkundungsverfahren (old)

Location:

Oberpfaffenhofen

Institutes and Institutions:

Remote Sensing Technology Institute > SAR Signal Processing
Microwaves and Radar Institute > SAR Technology

Deposited By:

De Zan, Francesco

Deposited On:

08 May 2015 13:56

Last Modified:

31 Jul 2019 19:53

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