Monitoring Urban Subsidence with Multi-master Radar Interferometry Based on Coherent Targets

A method is introduced in this paper to identify coherent scatterers (CS) with high spectral correlation among sublook SAR images. Using this method, the CSs can be identified in single SAR image. And the multi-reference radar interferometry is proposed to monitor urban subsidence with the candidate...

Full description

Saved in:
Bibliographic Details
Published in:Journal of the Indian Society of Remote Sensing 2015-09, Vol.43 (3), p.529-538
Main Authors: Yang, Hong-lei, Peng, Jun-huan
Format: Article
Language:English
Subjects:
algorithms
Earth and Environmental Science
Earth Sciences
interferometry
monitoring
radar
remote sensing
Remote Sensing/Photogrammetry
Research Article
subsidence
urban areas
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A method is introduced in this paper to identify coherent scatterers (CS) with high spectral correlation among sublook SAR images. Using this method, the CSs can be identified in single SAR image. And the multi-reference radar interferometry is proposed to monitor urban subsidence with the candidate CSs. An experiment was conducted utilizing eight ALOS PALSAR SAR images over Zhengzhou urban area during the year of 2007–2010. The experiment has demonstrated that the identified CSs have large interferometric coherence and small amplitude deviation, which indicates the phase are stable during the time span. The displacement mean square error is 7.6 mm/a comparison with ground leveling data, which demonstrates that the proposed algorithm is reliable.
ISSN:0255-660X
0974-3006
DOI:10.1007/s12524-014-0434-0