NDLI: Analysis of X-band PolInSAR coherence characteristics in forested areas

Content Provider	IET Digital Library
Author	Zhang, Hai ying Li, Zhen fang Wang, Zhi bin Fang, Chao
Abstract	The X-band coherence statistical characteristics related to the height of ambiguity, polarisation and resolution in two typical forested areas are investigated, using X-band multi-baseline polarimetric synthetic aperture radar interferometry (PolInSAR) data acquired by an automobile-based interferometric synthetic aperture radar (InSAR) system. The influences of the polarisation and resolution on coherence are carefully analysed. The results show that the volume decorrelation in forested areas is independent of the polarisation and the coherence decreases with the reduction of the resolution. In addition, an empirical coherence model in relation to the height of ambiguity, resolution, forest height and range slope is proposed, according to the coherence statistical characteristics of the experimental data. The model can be used to calculate the mean coherence of forested areas under a specific system baseline and therefore it can play an important role in X-band InSAR baseline configuration for forest mapping.
Starting Page	953
Ending Page	963
Page Count	11
ISSN	17518784
Volume Number	11
e-ISSN	17518792
Issue Number	Issue 6, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/11/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2016.0364
Journal	IET Radar, Sonar & Navigation
Publisher Date	2016-10-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Automobile-based Interferometric Synthetic Aperture Radar System Empirical Coherence Model Forest Height Forest Mapping Polarisation Analysis Radar Equipment Radar Interferometry Radar Polarimetry Radar Resolution Range Slope Resolution Analysis Road Vehicle Radar Statistical Analysis Statistics Synthetic Aperture Radar System And Application X-band Coherence Statistical Characteristic X-band Multibaseline Polarimetric Synthetic Aperture Radar Interferometry X-band PolInSAR Coherence Characteristic Analysis
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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