Development and Initial Evaluation of the Tower-based Borealscat-2 P- and L-Band Tomographic SAR

This paper describes the development and initial evaluation of the BorealScat-2 radar. It is installed on a 50 m tall tower at a boreal forest site in northern Sweden and acquires tomographic and multi-polarization measurements at P- and L-band every 5 min. It is of the same design as its predecesso...

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Bibliographic Details
Published in:IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium
Main Authors: Ulander, Lars, Monteith, Albert, Fransson, J.E.S.
Language:unknown
Published: 2023
Subjects:
Remote Sensing
Geophysics
Physical Geography
SAR
tower
boreal
tomography
Radar
forest
3D
Northern Sweden
Online Access:https://doi.org/10.1109/IGARSS52108.2023.10281613
https://research.chalmers.se/en/publication/538752
Description
Summary:This paper describes the development and initial evaluation of the BorealScat-2 radar. It is installed on a 50 m tall tower at a boreal forest site in northern Sweden and acquires tomographic and multi-polarization measurements at P- and L-band every 5 min. It is of the same design as its predecessor BorealScat except that the antenna frame can be moved along a 4 m horizontal track. A moveable antenna position is motivated by the need to acquire independent samples to reduce backscatter fluctuations. It also enables focused 3D imaging by combing tomographic and SAR processing when the backscatter fluctuations are temporally stable. We show results from data acquired in 2022, which demonstrates 3D imaging of a forest as well as the response from a trihedral.

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