Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20930
Title: Modeling minimum and maximum detectable deformation gradients of interferometric SAR measurements
Authors: Jiang, M
Li, ZW
Ding, XL 
Zhu, JJ
Feng, GC
Keywords: (insar)
Coherence
Detectable deformation gradient (DDG)
Interferometric synthetic aperture radar
Look number
Issue Date: 2011
Publisher: Elsevier
Source: International journal of applied earth observation and geoinformation, 2011, v. 13, no. 5, p. 766-777 How to cite?
Journal: International journal of applied earth observation and geoinformation 
Abstract: A new functional model for determining the minimum and maximum detectable deformation gradients of interferometric synthetic aperture radar (InSAR) is developed. The model incorporates both the interferometric coherence and the look number, representing an extension to the existing models that consider only the interferometric coherence. Experimental results with Envisat ASAR data show that the new model performs well for interferograms with different look numbers and interferometric coherences. The model can serve as an important tool in determining whether InSAR technology can be used effectively to monitor a particular ground deformation. In addition, the model can also be used to determine the optimum look number for multi-looking operations to result in the best deformation monitoring results.
URI: http://hdl.handle.net/10397/20930
ISSN: 1569-8432
EISSN: 1872-826X
DOI: 10.1016/j.jag.2011.05.007
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