Tweaking baseline constellations for airborne SAR tomography and InSAR: an experimental study at L- and P-bands

Conference: EUSAR 2012 - 9th European Conference on Synthetic Aperture Radar
04/23/2012 - 04/26/2012 at Nuremberg, Germany

Proceedings: EUSAR 2012

Pages: 4Language: englishTyp: PDF

Personal VDE Members are entitled to a 10% discount on this title

Frey, Othmar (Earth Observation & Remote Sensing, ETH Zurich, Switzerland / Gamma Remote Sensing, Gümligen, Switzerland)
Meier, Erich (Remote Sensing Laboratories, University of Zurich, Switzerland)
Hajnsek, Irena (Earth Observation & Remote Sensing, ETH Zurich, Switzerland / German Aerospace Center - DLR, Germany)

A notable obstacle hindering widespread application of SAR tomography for 3D mapping of vegetation is the relatively large number of acquisitions that are needed to obtain a high resolution and a good rejection of spurious responses in the direction perpendicular to the line of sight. In this paper, we discuss the impact of different baseline constellations on 3-D mapping of vegetation volumes and the underlying topography in terms of tomographic focusing as well as classical single-baseline repeat-pass interferometry. The effects are studied using two airborne tomography data sets at L- and P-bands.