ENHANCED PSP SAR INTERFEROMETRY FOR ANALYSIS OF WEAK SCATTERERS AND HIGH DEFINITION MONITORING OF DEFORMATIONS OVER STRUCTURES AND NATURAL TERRAINS

被引：10

作者：

Costantini, Mario ^{[1
]}

Minati, Federico ^{[1
]}

Trillo, Francesco ^{[1
]}

Vecchioli, Francesco ^{[1
]}

机构：

[1] E GEOS, I-00156 Rome, Italy

来源：

2013 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2013年

关键词：

persistent scatterer; interferometry; SAR;

D O I：

10.1109/IGARSS.2013.6721299

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Synthetic aperture radar (SAR) interferometry is an effective technology for detection and monitoring of slow terrain movements with millimetric precision. This information is extracted by means of complex techniques from the phase of the signal. Building on the ideas of the persistent scatterer pair (PSP) method, we present an enhanced method aimed at fully extracting the coherent information even from low intensity SAR signals. The proposed method is very effective at extracting the available information from each single pixel of the SAR image where you could expect a coherent signal, even when there are not strongly scattering structures and the sensed signal is weak, as in the case of rather smooth surfaces or natural terrains. Several examples obtained from the processing COSMO-SkyMed data show that unprecedentedly dense ground deformation measurements can be obtained with the enhanced PSP method, not only corresponding to structures but also in natural terrains.

引用

页码：876 / 879

页数：4

共 5 条

[1]

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[2]

Costantini M., 2011, ESA FRINGE P FRASC I

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[4] A General Formulation for Redundant Integration of Finite Differences and Phase Unwrapping on a Sparse Multidimensional Domain [J].

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