Insar datum connection using GNSS-augmented radar transponders

P. Mahapatra; H. Van Der Marel; F. J. Van Leijen; S. Samiei-Esfahany; R. Klees; R. F. Hanssen

doi:10.1109/IGARSS.2016.7730792

Insar datum connection using GNSS-augmented radar transponders

P. Mahapatra, H. Van Der Marel, F. J. Van Leijen, S. Samiei-Esfahany, R. Klees, R. F. Hanssen

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

3 Citations (Scopus)

Abstract

InSAR deformation estimates form a 'free network' referred to an arbitrary datum, e.g. by assuming a reference point in the image to be stable. Consequently, the estimates of any measurement point in the image are dependent of these postulations on reference point stability, and the estimates cannot be compared with datasets of other types of measurement (e.g. historical levelling data or sea-level changes). Yet, some applications require 'absolute' InSAR estimates, i.e. expressed in a well-defined terrestrial reference frame (TRF). We achieve this using collocated InSAR and GNSS measurements, achieved by rigidly attaching phase-stable millimetre-precision compact active transponders to permanent GNSS antennas. The InSAR deformation estimates at these transponders are then estimated in a TRF using the GNSS measurements. Consequently, deformation estimates at all other scatterers are now also defined in the same TRF.

Original language	English
Title of host publication	2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	6867-6870
Number of pages	4
Volume	2016-November
ISBN (Electronic)	9781509033324
DOIs	https://doi.org/10.1109/IGARSS.2016.7730792
Publication status	Published - 1 Nov 2016
Event	36th IEEE International Geoscience and Remote Sensing Symposium - Beijing, China Duration: 10 Jul 2016 → 15 Jul 2016 Conference number: 36

Conference

Conference	36th IEEE International Geoscience and Remote Sensing Symposium
Abbreviated title	IGARSS 2016
Country/Territory	China
City	Beijing
Period	10/07/16 → 15/07/16

Keywords

Datum connection
geodesy
GNSS
InSAR
terrestrial reference frame
transponder

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10.1109/IGARSS.2016.7730792

Cite this

Mahapatra, P., Van Der Marel, H., Van Leijen, F. J., Samiei-Esfahany, S., Klees, R., & Hanssen, R. F. (2016). Insar datum connection using GNSS-augmented radar transponders. In 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings (Vol. 2016-November, pp. 6867-6870). Article 7730792 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/IGARSS.2016.7730792

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abstract = "InSAR deformation estimates form a 'free network' referred to an arbitrary datum, e.g. by assuming a reference point in the image to be stable. Consequently, the estimates of any measurement point in the image are dependent of these postulations on reference point stability, and the estimates cannot be compared with datasets of other types of measurement (e.g. historical levelling data or sea-level changes). Yet, some applications require 'absolute' InSAR estimates, i.e. expressed in a well-defined terrestrial reference frame (TRF). We achieve this using collocated InSAR and GNSS measurements, achieved by rigidly attaching phase-stable millimetre-precision compact active transponders to permanent GNSS antennas. The InSAR deformation estimates at these transponders are then estimated in a TRF using the GNSS measurements. Consequently, deformation estimates at all other scatterers are now also defined in the same TRF.",

keywords = "Datum connection, geodesy, GNSS, InSAR, terrestrial reference frame, transponder",

author = "P. Mahapatra and {Van Der Marel}, H. and {Van Leijen}, {F. J.} and S. Samiei-Esfahany and R. Klees and Hanssen, {R. F.}",

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Mahapatra, P, Van Der Marel, H , Van Leijen, FJ, Samiei-Esfahany, S, Klees, R & Hanssen, RF 2016, Insar datum connection using GNSS-augmented radar transponders. in 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings. vol. 2016-November, 7730792, Institute of Electrical and Electronics Engineers (IEEE), pp. 6867-6870, 36th IEEE International Geoscience and Remote Sensing Symposium, Beijing, China, 10/07/16. https://doi.org/10.1109/IGARSS.2016.7730792

Insar datum connection using GNSS-augmented radar transponders. / Mahapatra, P.; Van Der Marel, H.; Van Leijen, F. J. et al.
2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings. Vol. 2016-November Institute of Electrical and Electronics Engineers (IEEE), 2016. p. 6867-6870 7730792.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - Mahapatra, P.

AU - Van Der Marel, H.

AU - Van Leijen, F. J.

AU - Samiei-Esfahany, S.

AU - Klees, R.

AU - Hanssen, R. F.

N1 - Conference code: 36

PY - 2016/11/1

Y1 - 2016/11/1

N2 - InSAR deformation estimates form a 'free network' referred to an arbitrary datum, e.g. by assuming a reference point in the image to be stable. Consequently, the estimates of any measurement point in the image are dependent of these postulations on reference point stability, and the estimates cannot be compared with datasets of other types of measurement (e.g. historical levelling data or sea-level changes). Yet, some applications require 'absolute' InSAR estimates, i.e. expressed in a well-defined terrestrial reference frame (TRF). We achieve this using collocated InSAR and GNSS measurements, achieved by rigidly attaching phase-stable millimetre-precision compact active transponders to permanent GNSS antennas. The InSAR deformation estimates at these transponders are then estimated in a TRF using the GNSS measurements. Consequently, deformation estimates at all other scatterers are now also defined in the same TRF.

AB - InSAR deformation estimates form a 'free network' referred to an arbitrary datum, e.g. by assuming a reference point in the image to be stable. Consequently, the estimates of any measurement point in the image are dependent of these postulations on reference point stability, and the estimates cannot be compared with datasets of other types of measurement (e.g. historical levelling data or sea-level changes). Yet, some applications require 'absolute' InSAR estimates, i.e. expressed in a well-defined terrestrial reference frame (TRF). We achieve this using collocated InSAR and GNSS measurements, achieved by rigidly attaching phase-stable millimetre-precision compact active transponders to permanent GNSS antennas. The InSAR deformation estimates at these transponders are then estimated in a TRF using the GNSS measurements. Consequently, deformation estimates at all other scatterers are now also defined in the same TRF.

KW - Datum connection

KW - geodesy

KW - GNSS

KW - InSAR

KW - terrestrial reference frame

KW - transponder

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BT - 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings

PB - Institute of Electrical and Electronics Engineers (IEEE)

T2 - 36th IEEE International Geoscience and Remote Sensing Symposium

Y2 - 10 July 2016 through 15 July 2016

ER -

Mahapatra P, Van Der Marel H , Van Leijen FJ, Samiei-Esfahany S, Klees R , Hanssen RF. Insar datum connection using GNSS-augmented radar transponders. In 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings. Vol. 2016-November. Institute of Electrical and Electronics Engineers (IEEE). 2016. p. 6867-6870. 7730792 doi: 10.1109/IGARSS.2016.7730792

Insar datum connection using GNSS-augmented radar transponders

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