Geodetic quality assessment of a low-cost InSAR transponder

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Geodetic quality assessment of a low-cost InSAR transponder

Conference Paper (2013)

Author(s)

P.S. Mahapatra (TU Delft - Mathematical Geodesy and Positioning)

S Esfahany (TU Delft - Mathematical Geodesy and Positioning)

Ramon Hanssen (TU Delft - Mathematical Geodesy and Positioning)

Hans van der Marel (TU Delft - Mathematical Geodesy and Positioning)

Research Group

Mathematical Geodesy and Positioning

DOI related publication

https://doi.org/10.1109/IGARSS.2013.6721357

InSAR Crustal deformation Transponder Corner reflector Measurement precision

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https://resolver.tudelft.nl/uuid:03c0f666-0cf5-4dc1-b39b-6fa15836b63d

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Publication Year

2013

Language

English

Research Group

Mathematical Geodesy and Positioning

Pages (from-to)

1103-1106

ISBN (print)

978-1-4799-1114-1

Abstract

The geodetic quality of a low-cost commercial off-the-shelf InSAR transponder has been empirically assessed, both under controlled conditions and operationally for landslide monitoring. Comparison of 113 transponder-InSAR observations with independent validation measurements (levelling or GPS) yields a transponder precision range of 1.8-4.6 mm after outlier removal for double-difference (spatial and temporal) phase measurements in the satellite line of sight for Envisat and ERS-2, making it a compact and lightweight alternative to a corner reflector for C-band InSAR.

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