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Mitigation of tropospheric InSAR phase artifacts through differential multisquint processingWe propose a technique for mitigating tropospheric phase errors in repeat-pass interferometric synthetic aperture radar (InSAR). The mitigation technique is based upon the acquisition of multisquint InSAR data. On each satellite pass over a target area, the radar instrument will acquire images from multiple squint (azimuth) angles, from which multiple interferograms can be formed. The diversity of viewing angles associated with the multisquint acquisition can be used to solve for two components of the 3-D surface displacement vector as well as for the differential tropospheric phase. We describe a model for the performance of the multisquint technique, and we present an assessment of the performance expected.
Document ID
20060043787
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Chen, Curtis W.
Date Acquired
August 23, 2013
Publication Date
September 20, 2004
Subject Category
Earth Resources And Remote Sensing
Meeting Information
Meeting: International Geoscience and Remote Sensing Symposium (IGARSS)
Location: Anchorage
Country: Alaska
Start Date: September 20, 2004
End Date: September 24, 2004
Distribution Limits
Public
Copyright
Other
Keywords
troposphere
interferometry
water vapors
interferometric synthetic aperture radar (InSAR)
squint

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