First analysis of C-band ECR transponders for InSAR geodesy

van der Marel, H.; van Leijen, F.J.; Hanssen, R.F.

doi:10.1109/IGARSS.2018.8518924

First analysis of C-band ECR transponders for InSAR geodesy

Title

First analysis of C-band ECR transponders for InSAR geodesy

Author

van der Marel, H. (TU Delft Mathematical Geodesy and Positioning)
van Leijen, F.J. (TU Delft Mathematical Geodesy and Positioning)
Hanssen, R.F. (TU Delft Mathematical Geodesy and Positioning)

Contributor

Moreno, Jose (editor)

Date

2018

Abstract

Well-identifiable reference benchmarks are important in SAR interferometry to enable linking between different measurement techniques, or to enable datum connection between the local InSAR datum and Terrestrial Reference Systems. As corner reflectors for C-band are rather large, weather sensitive, and difficult to maintain over time frames of several years, active electronic transponders are an alternative. However, low cost transponders have not been on the market until recently. Here we report results from field tests of a new type of transponder. We show that the phase precision is in the order of an equivalent displacement of 0.5 mm, and that the RCS of the transponder is equivalent to a trihedral corner reflector with a leg length of 1.03 m.

Subject

SAR
InSAR
radar transponder
corner reflector

To reference this document use:

http://resolver.tudelft.nl/uuid:4839dc11-0c6f-4e74-a04f-a64d3429997d

DOI

https://doi.org/10.1109/IGARSS.2018.8518924

Publisher

IEEE

ISBN

978-1-5386-7151-1

Source

IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018